LITHOLOGIC WELL LOG PRINTOUT SOURCE - FGS WELL NUMBER: W-17381 COUNTY - SEMINOLE TOTAL DEPTH: 02260 FT. LOCATION: T.19S R.29E S.22 226 SAMPLES FROM 0 TO 2260 FT. LAT = 28D 49M 23S LON = 81D 23M 48S COMPLETION DATE: 02/17/96 ELEVATION: 45 FT OTHER TYPES OF LOGS AVAILABLE - NONE OWNER/DRILLER:SJRWMD S-1225 (Yankee Lake site) / (CenTech) WORKED BY:TOM MILLER 7/96 226 BAGS OF UNWASHED CUTTINGS. 0. - 70. 090UDSC UNDIFFERENTIATED SAND AND CLAY 70. - 120. 122HTRN HAWTHORN GROUP 120. - 220. 124OCAL OCALA GROUP 220. - 1650. 124AVPK AVON PARK FM. 1650. - 2260. 124OLDM OLDSMAR LIMESTONE 0 - 10 SAND; GRAYISH BROWN TO GRAYISH ORANGE 25% POROSITY: INTERGRANULAR, POSSIBLY HIGH PERMEABILITY GRAIN SIZE: MEDIUM; RANGE: FINE TO MEDIUM ROUNDNESS: SUB-ANGULAR TO SUB-ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: ORGANICS-05% FOSSILS: NO FOSSILS 10 - 20 SAND; VERY LIGHT ORANGE TO GRAYISH BROWN 25% POROSITY: INTERGRANULAR, POSSIBLY HIGH PERMEABILITY GRAIN SIZE: MEDIUM; RANGE: FINE TO MEDIUM ROUNDNESS: SUB-ANGULAR TO SUB-ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: ORGANICS-02% FOSSILS: NO FOSSILS 20 - 30 SAND; VERY LIGHT ORANGE TO GRAYISH BROWN 20% POROSITY: INTERGRANULAR GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE ROUNDNESS: SUB-ANGULAR TO SUB-ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-10%, PEAT-05%, ORGANICS-02% FOSSILS: NO FOSSILS FIRST APPEARANCE OF CLAY; SMALL PEAT COMPONENT. 30 - 40 SAND; VERY LIGHT ORANGE TO GRAYISH BROWN 20% POROSITY: INTERGRANULAR GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE ROUNDNESS: SUB-ANGULAR TO ANGULAR; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-08%, PEAT-06% FOSSILS: NO FOSSILS 40 - 50 CLAY; VERY LIGHT GRAY TO MODERATE GRAY 20% POROSITY: INTERGRANULAR; GOOD INDURATION SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: QUARTZ SAND-20%, PEAT-10%, GYPSUM-10% ORGANICS-02% FOSSILS: FOSSIL FRAGMENTS ORGANIC-RICH CLAY INTERBEDDED WITH SAND AND GYPSUM. 50 - 60 CLAY; VERY LIGHT GRAY TO MODERATE GRAY 20% POROSITY: INTERGRANULAR; GOOD INDURATION SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: QUARTZ SAND-15%, PEAT-05%, GYPSUM-05% FOSSILS: FOSSIL FRAGMENTS CLAY INTERBEDDED WITH SAND AND PEAT. 60 - 70 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: PHOSPHATIC SAND-05%, QUARTZ SAND-03% FOSSILS: FOSSIL FRAGMENTS FIRST APPEARANCE OF PHOSPHATE. 70 - 80 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: PHOSPHATIC SAND-10%, QUARTZ SAND-05% FOSSILS: FOSSIL FRAGMENTS 80 - 90 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: PHOSPHATIC SAND-15%, QUARTZ SAND-02% FOSSILS: FOSSIL FRAGMENTS LIMESTONE WITH BLACK AND GRAY PHOSPHATES. 90 - 100 LIMESTONE; WHITE TO MODERATE GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: PHOSPHATIC SAND-15%, QUARTZ SAND-04% FOSSILS: FOSSIL FRAGMENTS 100 - 110 LIMESTONE; WHITE TO MODERATE GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX SEDIMENTARY STRUCTURES: INTERBEDDED ACCESSORY MINERALS: PHOSPHATIC SAND-05% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS MODERATELY-RECRYSTALLIZED LIMSTONE WITH INTERBEDDED PHOSPHATE. 110 - 120 LIMESTONE; WHITE TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, ECHINOID, MOLLUSKS 120 - 130 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, MOLLUSKS LEPIDOCYCLINA OCALANA. 130 - 140 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS LEPIDOCYCLINA OCALANA. 140 - 150 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS SEVERAL LARGE MOLLUSC-SHELL FRAGMENTS. 150 - 160 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS NUMMULITES. 160 - 170 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS GYPSINA GLOBULA; LEPIDOCYCLINA OCALANA. 170 - 180 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS 180 - 190 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS AMPHISTEGINA; ABUNDANT BRYOZOANS. 190 - 200 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS 200 - 210 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR, MOLDIC GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS GYPSINA GLOBULA. 210 - 220 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS SLIGHT COLOR CHANGE FROM ABOVE; LESS DISTINCT FOSSIL ASSEMBLAGES. 220 - 230 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: IRON STAIN-04% FOSSILS: BENTHIC FORAMINIFERA, CONES DICTYOCONUS AMERICANUS. 230 - 240 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, CONES 240 - 250 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS INDISTINCT FOSSIL ASSEMBLAGES. 250 - 260 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS COMPRESSED CONES. 260 - 270 LIMESTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-20%, IRON STAIN-02% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS DICTYOCONUS AMERICANUS. 270 - 280 LIMESTONE; VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS INDISTINCT FOSSILS; SOME CONES PRESENT; HIGH RECRYSTALLIZATION. 280 - 290 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS A FEW SMALL LEPIDOCYCLINA FOSSILS PRESENT. 290 - 300 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS LOW TO MODERATE RECRYSTALLIZATION. 300 - 310 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS DICTYOCONUS AMERICANUS; WORN AND ABRADED FOSSILS. 310 - 320 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS 320 - 330 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS, CONES DICTYOCONUS AMERICANUS; LOW RECRYSTALLIZATION. 330 - 340 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS, CONES 340 - 350 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS, CONES DICTYOCONUS AMERICANUS. 350 - 360 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: FOSSIL FRAGMENTS, CONES 360 - 370 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA 370 - 380 LIMESTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES MODERATE TO HIGH RECRYSTALLIZATION. 380 - 390 LIMESTONE; WHITE TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES DICTYOCONUS AMERICANUS. 390 - 400 LIMESTONE; WHITE TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES 400 - 410 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-20% FOSSILS: NO FOSSILS 410 - 420 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05% FOSSILS: NO FOSSILS 420 - 430 DOLOSTONE; LIGHT GRAY TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, MOLDIC, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: MOLLUSKS A FEW MOLLUSC-SHELL MOLDS PRESENT. 430 - 440 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-15% FOSSILS: BENTHIC FORAMINIFERA, CONES DOLOSTONE WITH SOME HIGHLY-RECRYSTALLIZED LIMESTONE. 440 - 450 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-10% FOSSILS: BENTHIC FORAMINIFERA, CONES 450 - 460 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-15% FOSSILS: BENTHIC FORAMINIFERA, CONES SUBHEDRAL TO EUHEDRAL DOLOMITE CRYSTALS. 460 - 470 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 470 - 480 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-07% FOSSILS: NO FOSSILS 480 - 490 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 490 - 500 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: BENTHIC FORAMINIFERA, CONES A FEW DICTYOCONUS AMERICANUS FOSSILS. 500 - 510 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 510 - 520 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, MOLDIC, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: BENTHIC FORAMINIFERA, CONES, MOLLUSKS DICTYOCONUS AMERICANUS; A FEW MOLLUSC-SHELL MOLDS. 520 - 530 NO SAMPLES 530 - 540 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 540 - 550 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05% FOSSILS: NO FOSSILS DOLOSTONE WITH SOME MODERATELY-RECRYSTALLIZED LIMESTONE. 550 - 560 DOLOSTONE; WHITE TO VERY LIGHT GRAY 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 560 - 570 DOLOSTONE; GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 570 - 580 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 580 - 590 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05% FOSSILS: NO FOSSILS 590 - 600 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS WELL-INDURATED DOLOSTONE. 600 - 610 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, MOLDIC, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: MOLLUSKS 610 - 615 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 615 - 620 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05% FOSSILS: NO FOSSILS 620 - 630 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 630 - 640 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-02% FOSSILS: NO FOSSILS 640 - 650 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 650 - 660 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-03%, IRON STAIN-02% FOSSILS: NO FOSSILS SUBHEDRAL TO EUHEDRAL DOLOMITE CRYSTALS; SOME IRON OXIDE. 660 - 670 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 670 - 680 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 680 - 690 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 690 - 700 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 700 - 710 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 710 - 720 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 720 - 730 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04% FOSSILS: NO FOSSILS 730 - 740 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 740 - 750 DOLOSTONE; VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 750 - 760 DOLOSTONE; GRAYISH BROWN TO MODERATE YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 760 - 770 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 770 - 780 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 780 - 790 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 790 - 800 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% FOSSILS: NO FOSSILS 800 - 810 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04% FOSSILS: NO FOSSILS 810 - 820 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-03%, IRON STAIN-02% FOSSILS: NO FOSSILS 820 - 830 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 830 - 840 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-02% FOSSILS: NO FOSSILS 840 - 850 DOLOSTONE; GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 850 - 860 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 860 - 870 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 870 - 880 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 880 - 890 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: ECHINOID A FEW HIGHLY-ALTERED AND FRAGMENTED ECHINOID-SHELL FRAGMENTS. 890 - 900 DOLOSTONE; VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 900 - 910 DOLOSTONE; VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 910 - 920 DOLOSTONE; VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE, MOLDIC 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: ECHINOID 920 - 930 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 930 - 940 DOLOSTONE; GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 940 - 950 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 950 - 960 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE, MOLDIC 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 960 - 970 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 970 - 980 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 980 - 990 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT GRAY 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-03%, IRON STAIN-01% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 990 - 1000 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1000 - 1010 DOLOSTONE; VERY LIGHT ORANGE TO VERY LIGHT GRAY 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1010 - 1020 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1020 - 1030 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1030 - 1040 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1040 - 1050 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1050 - 1060 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1060 - 1070 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1070 - 1080 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1080 - 1090 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1090 - 1100 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, LIMONITE-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1100 - 1110 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1110 - 1120 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1120 - 1130 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1130 - 1140 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1140 - 1150 DOLOSTONE; GRAYISH BROWN TO GRAYISH ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: ORGANICS-04% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS SMALL LIGNITE COMPONENT. 1150 - 1160 DOLOSTONE; MODERATE YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1160 - 1170 DOLOSTONE; MODERATE YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-05% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1170 - 1180 DOLOSTONE; GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1180 - 1190 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-04%, IRON STAIN-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1190 - 1200 LIMESTONE; VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% FOSSILS: BENTHIC FORAMINIFERA, CONES ABUNDANT, HIGHLY-COMPRESSED DICTYOCONUS AMERICANUS FOSSILS. 1200 - 1210 LIMESTONE; VERY LIGHT GRAY TO LIGHT BROWNISH GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-20%, SHALE-03%, IRON STAIN-02% FOSSILS: BENTHIC FORAMINIFERA, CONES 1210 - 1220 LIMESTONE; VERY LIGHT GRAY TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: BENTHIC FORAMINIFERA, CONES ABUNDANT DICTYOCONUS AMERICANUS FOSSILS OF VARIOUS SIZES. 1220 - 1230 LIMESTONE; VERY LIGHT GRAY TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES DICTYOCONUS AMERICANUS. 1230 - 1240 LIMESTONE; VERY LIGHT GRAY TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-05% FOSSILS: BENTHIC FORAMINIFERA LOW TO MODERATELY-RECRYSTALLIZED LIMESTONE. 1240 - 1250 LIMESTONE; LIGHT GRAY TO GRAYISH BROWN 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1250 - 1260 LIMESTONE; LIGHT GRAY TO DARK YELLOWISH BROWN 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-15% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: NO FOSSILS HIGHLY-RECRYSTALLIZED LIMESTONE; INDISTINCT FOSSIL ASSEMBLAGES. 1260 - 1270 DOLOSTONE; LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1270 - 1280 DOLOSTONE; LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1280 - 1290 DOLOSTONE; MODERATE LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1290 - 1300 DOLOSTONE; MODERATE LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1300 - 1310 DOLOSTONE; MODERATE LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1310 - 1320 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-05%, IRON STAIN-02% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1320 - 1330 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1330 - 1340 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES, ECHINOID HIGHLY-COMPRESSED DICTYOCONUS AMERICANUS FOSSILS. 1340 - 1350 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-30% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID LIMESTONE WITH HIGHLY-ALTERED, EUHEDRAL DOLOMITE. 1350 - 1360 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-15% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID 1360 - 1370 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 85% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-03% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID 1370 - 1380 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: NO FOSSILS 1380 - 1390 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-05% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: NO FOSSILS 1390 - 1400 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-05%, SHALE-03%, IRON STAIN-02% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID 1400 - 1410 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1410 - 1420 LIMESTONE; WHITE TO LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: SHALE-05% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, BRYOZOA, ECHINOID, MOLLUSKS 1420 - 1430 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: SHALE-08% FOSSILS: BENTHIC FORAMINIFERA 1430 - 1440 DOLOSTONE; MODERATE LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1440 - 1450 DOLOSTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1450 - 1460 DOLOSTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-06% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1460 - 1470 DOLOSTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 15% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 10-50% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-20% FOSSILS: NO FOSSILS 1470 - 1480 DOLOSTONE; DARK YELLOWISH BROWN TO MODERATE YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: ORGANICS-03% FOSSILS: NO FOSSILS SMALL LIGNITE COMPONENT. 1480 - 1490 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-08% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: NO FOSSILS 1490 - 1500 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1500 - 1510 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05%, IRON STAIN-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1510 - 1520 LIMESTONE; WHITE TO VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: SHALE-05%, IRON STAIN-02% OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA WORN AND COMPRESSED FOSSIL FRAGMENTS. 1520 - 1530 DOLOSTONE; VERY LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-06% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1530 - 1540 DOLOSTONE; MODERATE LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-05%, LIMESTONE-05% IRON STAIN-02% FOSSILS: NO FOSSILS 1540 - 1550 DOLOSTONE; MODERATE LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: SHALE-03%, LIMESTONE-02% FOSSILS: BENTHIC FORAMINIFERA, CONES DICTYOCONUS AMERICANUS FRAGMENTS. 1550 - 1560 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-20% OTHER FEATURES: HIGH RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1560 - 1570 DOLOSTONE; LIGHT BROWNISH GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-35%, SHALE-05% IRON STAIN-02% FOSSILS: BENTHIC FORAMINIFERA 1570 - 1580 DOLOSTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-30% FOSSILS: BENTHIC FORAMINIFERA, CONES 1580 - 1590 LIMESTONE; VERY LIGHT GRAY 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-20% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA MODERATELY-RECRYSTALLIZED LIMSTONE WITH HIGHLY-ALTERED DOLOSTONE. 1590 - 1600 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-35% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1600 - 1610 LIMESTONE; VERY LIGHT GRAY TO VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-25%, SHALE-05% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1610 - 1620 LIMESTONE; VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE-10% OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES WORN AND COMPRESSED BENTHIC FORAMINIFERA FRAGMENTS. 1620 - 1630 LIMESTONE; VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1630 - 1640 LIMESTONE; VERY LIGHT ORANGE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: LOW RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA 1640 - 1650 LIMESTONE; VERY LIGHT ORANGE TO WHITE 20% POROSITY: INTERGRANULAR GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELETAL 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: MICROCRYSTALLINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: MEDIUM RECRYSTALLIZATION FOSSILS: BENTHIC FORAMINIFERA, CONES 1650 - 1660 DOLOSTONE; VERY LIGHT ORANGE TO VERY LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-35% FOSSILS: NO FOSSILS 1660 - 1670 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-20% FOSSILS: NO FOSSILS DOLOSTONE WITH MODERATELY-RECRYSTALLIZED LIMESTONE. 1670 - 1680 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05%, SHALE-03% FOSSILS: NO FOSSILS 1680 - 1690 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-25% FOSSILS: NO FOSSILS 1690 - 1700 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): CLAY MATRIX ACCESSORY MINERALS: LIMESTONE-10% FOSSILS: NO FOSSILS 1700 - 1710 DOLOSTONE; VERY LIGHT ORANGE TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-20% FOSSILS: NO FOSSILS LIMESTONE COMPONENT IS MODERATELY RECRYSTALLIZED. 1710 - 1720 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-25% FOSSILS: NO FOSSILS 1720 - 1730 DOLOSTONE; VERY LIGHT ORANGE TO WHITE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-20% FOSSILS: NO FOSSILS 1730 - 1740 DOLOSTONE; WHITE TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-40% FOSSILS: NO FOSSILS 1740 - 1750 DOLOSTONE; DARK YELLOWISH BROWN TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-40% FOSSILS: NO FOSSILS 1750 - 1760 DOLOSTONE; DARK YELLOWISH BROWN TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1760 - 1770 DOLOSTONE; WHITE TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05%, IRON STAIN-03% FOSSILS: NO FOSSILS 1770 - 1780 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-30% FOSSILS: NO FOSSILS 1780 - 1790 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-10% FOSSILS: NO FOSSILS 1790 - 1800 DOLOSTONE; GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05%, LIMONITE-03%, SHALE-02% IRON STAIN-02% FOSSILS: NO FOSSILS 1800 - 1810 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-05%, IRON STAIN-03% FOSSILS: NO FOSSILS 1810 - 1820 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-04%, IRON STAIN-04% FOSSILS: NO FOSSILS 1820 - 1830 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 1830 - 1840 DOLOSTONE; VERY LIGHT ORANGE TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% FOSSILS: NO FOSSILS 1840 - 1850 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1850 - 1860 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 1860 - 1870 DOLOSTONE; GRAYISH BROWN TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-01% FOSSILS: NO FOSSILS 1870 - 1880 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, LIMESTONE-02% FOSSILS: NO FOSSILS 1880 - 1890 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% FOSSILS: NO FOSSILS 1890 - 1900 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 1900 - 1910 DOLOSTONE; GRAYISH BROWN TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 1910 - 1920 DOLOSTONE; DARK GRAY TO DARK YELLOWISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMONITE-03%, IRON STAIN-02% FOSSILS: NO FOSSILS 1920 - 1930 DOLOSTONE; DARK YELLOWISH BROWN TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1930 - 1940 DOLOSTONE; DARK YELLOWISH BROWN TO MODERATE GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-05%, LIMESTONE-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1940 - 1950 DOLOSTONE; GRAYISH BROWN TO MODERATE GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1950 - 1960 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1960 - 1970 DOLOSTONE; GRAYISH BROWN TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-05% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1970 - 1980 DOLOSTONE; GRAYISH BROWN TO MODERATE BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04%, SHALE-03% LIMESTONE-02% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 1980 - 1990 DOLOSTONE; LIGHT GRAY TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, QUARTZ-03% LIMESTONE-02% FOSSILS: NO FOSSILS 1990 - 2000 DOLOSTONE; LIGHT GRAY TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-05%, QUARTZ-03% FOSSILS: NO FOSSILS 2000 - 2010 DOLOSTONE; LIGHT GRAY TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-08% FOSSILS: NO FOSSILS 2010 - 2020 DOLOSTONE; MODERATE LIGHT GRAY TO GRAYISH BROWN 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 2020 - 2030 DOLOSTONE; MODERATE LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, QUARTZ-02% FOSSILS: NO FOSSILS 2030 - 2040 DOLOSTONE; MODERATE GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-05%, IRON STAIN-02% FOSSILS: NO FOSSILS 2040 - 2050 DOLOSTONE; MODERATE DARK GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-06%, IRON STAIN-03% FOSSILS: NO FOSSILS 2050 - 2060 DOLOSTONE; MODERATE DARK GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-04%, IRON STAIN-03% FOSSILS: NO FOSSILS 2060 - 2070 DOLOSTONE; YELLOWISH GRAY TO MODERATE DARK GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-05% FOSSILS: NO FOSSILS 2070 - 2080 NO SAMPLES 2080 - 2090 DOLOSTONE; YELLOWISH GRAY TO MODERATE DARK GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-10% FOSSILS: NO FOSSILS 2090 - 2100 DOLOSTONE; YELLOWISH GRAY TO MODERATE DARK GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-10% FOSSILS: NO FOSSILS 2100 - 2110 DOLOSTONE; YELLOWISH GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 2110 - 2120 DOLOSTONE; YELLOWISH GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-05%, IRON STAIN-02% FOSSILS: NO FOSSILS 2120 - 2130 DOLOSTONE; YELLOWISH GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: QUARTZ-03%, IRON STAIN-02% FOSSILS: NO FOSSILS SOME SMOKY QUARTZ PRESENT. 2130 - 2140 DOLOSTONE; YELLOWISH GRAY TO MODERATE GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 2140 - 2150 DOLOSTONE; LIGHT GRAY TO VERY LIGHT ORANGE 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, SHALE-03% FOSSILS: NO FOSSILS 2150 - 2160 DOLOSTONE; VERY LIGHT GRAY TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04%, QUARTZ-02% FOSSILS: NO FOSSILS 2160 - 2170 DOLOSTONE; LIGHT GRAY TO LIGHT BROWNISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04% FOSSILS: NO FOSSILS 2170 - 2180 DOLOSTONE; VERY LIGHT GRAY TO LIGHT BROWNISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-04%, ORGANICS-03% OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS SOME LIGNITE PRESENT. 2180 - 2190 DOLOSTONE; VERY LIGHT GRAY TO MODERATE LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 2190 - 2200 DOLOSTONE; LIGHT GRAY TO LIGHT BROWNISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: NO FOSSILS 2200 - 2210 DOLOSTONE; LIGHT GRAY TO LIGHT BROWNISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03% FOSSILS: NO FOSSILS 2210 - 2220 DOLOSTONE; VERY LIGHT GRAY TO PINKISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: NO FOSSILS 2220 - 2230 DOLOSTONE; VERY LIGHT GRAY TO PINKISH GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-02% FOSSILS: NO FOSSILS 2230 - 2240 DOLOSTONE; VERY LIGHT GRAY TO LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: IRON STAIN-03%, SHALE-02%, ORGANICS-02% FOSSILS: NO FOSSILS 2240 - 2250 DOLOSTONE; WHITE TO VERY LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: GYPSUM-40% FOSSILS: NO FOSSILS 2250 - 2260 DOLOSTONE; WHITE TO VERY LIGHT GRAY 10% POROSITY: INTERGRANULAR, INTERCRYSTALLINE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: MICROCRYSTALLINE RANGE: MICROCRYSTALLINE TO FINE; MODERATE INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: GYPSUM-25% FOSSILS: NO FOSSILS 2260 TOTAL DEPTH