LITHOLOGIC WELL LOG PRINTOUT SOURCE - FGS WELL NUMBER: W-18446 COUNTY - ORANGE TOTAL DEPTH: 650 FT. LOCATION: T.23S R.28E S.20 130 SAMPLES FROM 0 TO 650 FT. LAT = 28D 28M 18S LON = 81D 32M 05S COMPLETION DATE: 07/01/03 ELEVATION: 115 FT OTHER TYPES OF LOGS AVAILABLE - NONE OWNER/DRILLER:SFWMD/ Diversified Drilling Corp. WORKED BY:Clint Kromhout 01/2004 5ft. intervals 0. - 120. 121CYPR CYPRESS HEAD FM. 120. - 650. 124AVPK AVON PARK FM. 0 - 5 SAND; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN SIZE: GRANULE; RANGE: COARSE TO GRANULE ROUNDNESS: SUB-ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: PLANT REMAINS- 5%, CALCILUTITE- 3% PHOSPHATIC SAND- 1% Insect remains; some of the sand granules have been created by silicification of smaller sand grains. 5 - 10 SAND; YELLOWISH GRAY GRAIN SIZE: GRANULE; RANGE: COARSE TO GRANULE ROUNDNESS: SUB-ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: PLANT REMAINS- 3% Granules are all composed of smaller sand grains silicified together. 10 - 15 SAND; GRAYISH BROWN TO MODERATE YELLOWISH BROWN GRAIN SIZE: GRANULE; RANGE: COARSE TO GRANULE ROUNDNESS: SUB-ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-20%, HEAVY MINERALS- 1% 15 - 20 SAND; GRAYISH BROWN TO MODERATE YELLOWISH BROWN GRAIN SIZE: MEDIUM; RANGE: GRANULE TO VERY FINE ROUNDNESS: ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-20%, PHOSPHATIC SAND- 1% HEAVY MINERALS- 1% FOSSILS: FOSSIL FRAGMENTS 20 - 25 SAND; GRAYISH BROWN TO YELLOWISH GRAY GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO GRANULE ROUNDNESS: ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-15%, HEAVY MINERALS- 1% PHOSPHATIC SAND- 1% 25 - 30 AS ABOVE 30 - 35 SAND; GRAYISH BROWN GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO GRANULE ROUNDNESS: ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-20%, HEAVY MINERALS- 1% 35 - 40 SAND; GRAYISH BROWN GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO GRANULE ROUNDNESS: ANGULAR TO ROUNDED; LOW SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-20%, HEAVY MINERALS- 1% PLANT REMAINS- 1% FOSSILS: FOSSIL FRAGMENTS 40 - 45 AS ABOVE 45 - 50 SAND; LIGHT OLIVE GRAY TO YELLOWISH GRAY GRAIN SIZE: FINE; RANGE: VERY FINE TO VERY COARSE ROUNDNESS: ANGULAR TO ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-20%, HEAVY MINERALS- 1% PLANT REMAINS- 1%, MICA- 1% 50 - 55 SAND; LIGHT OLIVE GRAY GRAIN SIZE: FINE; RANGE: VERY FINE TO GRANULE ROUNDNESS: ANGULAR TO ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CLAY-25%, HEAVY MINERALS- 1%, MICA- 1% PHOSPHATIC SAND- 1% 55 - 60 AS ABOVE 60 - 65 MUDSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE; 1% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 3%, PHOSPHATIC SAND- 1% HEAVY MINERALS- 1% FOSSILS: FOSSIL FRAGMENTS Driller's mud is dominant in sample 65 - 70 MUDSTONE; VERY LIGHT GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC 3% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 3%, HEAVY MINERALS- 1% FOSSILS: FOSSIL FRAGMENTS, ECHINOID, MOLLUSKS 70 - 75 SAND; LIGHT GRAY TO YELLOWISH GRAY GRAIN SIZE: GRANULE; RANGE: VERY COARSE TO GRAVEL ROUNDNESS: ANGULAR TO ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CALCILUTITE- 3%, PHOSPHATIC GRAVEL- 1% LIMONITE- 1% FOSSILS: FOSSIL FRAGMENTS, MOLLUSKS 75 - 80 SAND; LIGHT GRAY TO YELLOWISH GRAY GRAIN SIZE: GRAVEL; RANGE: VERY COARSE TO GRAVEL ROUNDNESS: SUB-ANGULAR TO ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CALCILUTITE- 7%, PHOSPHATIC GRAVEL- 3% FOSSILS: FOSSIL FRAGMENTS, MOLLUSKS 80 - 85 SAND; LIGHT GRAY TO YELLOWISH GRAY GRAIN SIZE: GRANULE; RANGE: MEDIUM TO GRAVEL ROUNDNESS: SUB-ANGULAR TO ROUNDED; MEDIUM SPHERICITY UNCONSOLIDATED ACCESSORY MINERALS: CALCILUTITE-10%, PHOSPHATIC GRAVEL- 5% FOSSILS: SHARKS TEETH, FOSSIL FRAGMENTS 85 - 90 MUDSTONE; LIGHT OLIVE GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE; 1% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND-15%, DOLOMITE- 7% PHOSPHATIC GRAVEL- 3% FOSSILS: MOLLUSKS, FOSSIL FRAGMENTS Dolostone is a dolosilt 90 - 95 MUDSTONE; YELLOWISH GRAY TO MODERATE DARK GRAY GRAIN TYPE: CALCILUTITE; 3% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: PHOSPHATIC GRAVEL-20%, QUARTZ SAND- 5% DOLOMITE- 1% FOSSILS: SHARKS TEETH, VERTEBRATE, FOSSIL FRAGMENTS Lots of sharks' teeth and vertebrae 95 - 100 DOLOSTONE; LIGHT OLIVE GRAY TO YELLOWISH GRAY 10-50% ALTERED; SUBHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: PHOSPHATIC GRAVEL- 5%, CALCITE- 1% QUARTZ SAND- 1%, CALCILUTITE- 1% FOSSILS: FOSSIL FRAGMENTS 100 - 105 DOLOSTONE; LIGHT OLIVE GRAY TO LIGHT GRAY 50-90% ALTERED; ANHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: PHOSPHATIC GRAVEL-10%, QUARTZ SAND- 1% CALCILUTITE- 1% Some of the phosphate seems to be casts of fossils, but not absolutely sure 105 - 110 MUDSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC 3% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: PHOSPHATIC SAND- 1%, QUARTZ SAND- 1% DOLOMITE- 1% FOSSILS: WORM TRACES, FOSSIL FRAGMENTS Quartz Sand is gravel-sized 110 - 115 MUDSTONE; YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC, SKELETAL 5% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ SAND- 3%, CLAY- 3% PHOSPHATIC SAND- 1%, DOLOMITE- 1% FOSSILS: FOSSIL FRAGMENTS, ECHINOID, SPICULES, MILIOLIDS 115 - 120 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: CLAY- 5%, PHOSPHATIC GRAVEL- 1% PHOSPHATIC SAND- 1%, QUARTZ SAND- 1% FOSSILS: MILIOLIDS, FOSSIL FRAGMENTS 120 - 125 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1% FOSSILS: MILIOLIDS, BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS ECHINOID Gypsina, Amphistegina? 125 - 130 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC 95% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: MILIOLIDS, BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS ECHINOID, SHARKS TEETH 130 - 135 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC 95% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1%, PHOSPHATIC GRAVEL- 1% FOSSILS: ECHINOID, MILIOLIDS, BENTHIC FORAMINIFERA FOSSIL FRAGMENTS Clay, shell probably cavings 135 - 140 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: CLAY- 1%, PHOSPHATIC GRAVEL- 1% QUARTZ SAND- 1% FOSSILS: BENTHIC FORAMINIFERA, MILIOLIDS, BRYOZOA FOSSIL FRAGMENTS, ECHINOID Gypsina, Nummulites / Clay and phosphate probably cavings 140 - 145 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 85% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: BENTHIC FORAMINIFERA, MILIOLIDS, BRYOZOA FOSSIL MOLDS, CONES Gypsina, Lepidocyclina, Nummulites, Dictyconus americanus Dictyconus cookei, Echinoderm fossils present 145 - 150 AS ABOVE No Lepidocyclina, Amphistegina 150 - 155 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1%, QUARTZ SAND- 1% PHOSPHATIC GRAVEL- 1%, DOLOMITE- 1% FOSSILS: BENTHIC FORAMINIFERA, CONES, MILIOLIDS, ECHINOID FOSSIL MOLDS Bryzoa present/ Dictyconus cookei and americanus/ Mollusks present/ Sand content is fine grained and angular. Phosphate probably cavings 155 - 160 AS ABOVE 160 - 165 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1%, PHOSPHATIC GRAVEL- 1% FOSSILS: MILIOLIDS, BENTHIC FORAMINIFERA, MOLLUSKS ECHINOID, BRYOZOA Dictyconus americanus and cookei/ Phosphate cavings 165 - 170 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: PHOSPHATIC GRAVEL- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, FOSSIL MOLDS BENTHIC FORAMINIFERA Dictyconus cookei and americanus 170 - 175 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: PHOSPHATIC GRAVEL- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, FOSSIL MOLDS BENTHIC FORAMINIFERA Dictyconus americanus and cookei 175 - 180 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC 65% ALLOCHEMICAL CONSTITUENTS MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: CONES, ECHINOID, MILIOLIDS Dictyconus americanus and cookei 180 - 185 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID Dictyconus americanus and cookei 185 - 190 AS ABOVE 190 - 195 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, BENTHIC FORAMINIFERA Dictyconus americanus and cookei, Textularia/ phosphate gravel cavings 195 - 200 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 85% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, BENTHIC FORAMINIFERA FOSSIL MOLDS Dictyconus americanus and cookei, Spirolina, Valvulina cushmani, Textularia, Globorotalia/ phosphate cavings 200 - 205 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC 85% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, BENTHIC FORAMINIFERA FOSSIL MOLDS Dictyconus cookei and americanus, Spirolina 205 - 210 AS ABOVE 210 - 215 GRAINSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: CONES, MILIOLIDS, ECHINOID, BENTHIC FORAMINIFERA Dictyconus cookei and americanus, Spirolina, Amphistegina 215 - 220 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT FOSSILS: CONES, ECHINOID, BENTHIC FORAMINIFERA, MILIOLIDS 220 - 225 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: BIOGENIC, SKELETAL 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CALCITE- 1% FOSSILS: MILIOLIDS, ECHINOID, CONES, BENTHIC FORAMINIFERA FOSSIL MOLDS Dictyconus cookei, Bairdia/ borderline wackestone pakstone/ texture still resembles Suwannee or at leat Oligocene similar to sample from above up to 120 ft BLS/ Paint from Rig 225 - 230 DOLOSTONE; GRAYISH ORANGE TO LIGHT YELLOWISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% OTHER FEATURES: HIGH RECRYSTALLIZATION, SUCROSIC FOSSILS: ECHINOID, MILIOLIDS 230 - 235 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 0-10% ALTERED; ANHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% FOSSILS: MILIOLIDS 235 - 240 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: MILIOLIDS, ECHINOID, WORM TRACES Dictyconus cookei and americanus 240 - 245 WACKESTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CALCILUTITE, SKELETAL, BIOGENIC 45% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, ECHINOID, MILIOLIDS Dictyconus cookei and americanus 245 - 250 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, ECHINOID, BENTHIC FORAMINIFERA, MILIOLIDS Dictyconus cookei and americanus, Spirolina/ phosphate cavings/ full of cones 250 - 255 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1%, QUARTZ SAND- 1% FOSSILS: CONES, ECHINOID, MILIOLIDS Dictyconus cookei and americanus, sparse cones 255 - 260 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: CONES, ECHINOID, MILIOLIDS Dictyconus cookei 260 - 265 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 85% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, ECHINOID, MILIOLIDS, BENTHIC FORAMINIFERA MOLLUSKS Dictyconus cookei, Textularia 265 - 270 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 95% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID MOLLUSKS Dictyconus cookei, Textularia, Spirolina, Valvulina 270 - 275 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 98% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: COARSE; RANGE: MEDIUM TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID MOLLUSKS 275 - 280 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 95% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID MOLLUSKS 280 - 285 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 95% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID MOLLUSKS Dictyconus cookei, Textularia, Spirolina, Valvulina Coskinolina 285 - 290 AS ABOVE 290 - 295 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID Dictyconus cookei, Textularia, Spirolina 295 - 300 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO VERY COARSE GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS, ECHINOID Dictyconus cookei, Textularia, Spirolina 300 - 305 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: CALCITE- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, ECHINOID Dictyconus cookei, Textularia, Spirolina, Valvulina Coskinolina 305 - 310 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: CALCITE- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, ECHINOID, MOLLUSKS 310 - 315 AS ABOVE 315 - 320 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: CALCITE- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, ECHINOID, MOLLUSKS Dictyconus cookei, Textularia, Spirolina, Valvulina Coskinolina/ The percentage of Calcite may be a bit more than 1% 320 - 325 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC, SKELTAL CAST 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT FOSSILS: ECHINOID, BENTHIC FORAMINIFERA, CONES 325 - 330 GRAINSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, SKELTAL CAST, BIOGENIC 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: FINE TO VERY COARSE GOOD INDURATION CEMENT TYPE(S): SPARRY CALCITE CEMENT, CALCILUTITE MATRIX ACCESSORY MINERALS: CALCITE- 1% FOSSILS: BENTHIC FORAMINIFERA, CONES, ECHINOID, MILIOLIDS Dictyconus Cookei, Coskinolina, Spirolina 330 - 335 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: MEDIUM; RANGE: VERY FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, ECHINOID, BENTHIC FORAMINIFERA Dictyconus Cookei, Coskinolina, Spirolina 335 - 340 DOLOSTONE; GRAYISH ORANGE TO LIGHT YELLOWISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 3% OTHER FEATURES: SUCROSIC FOSSILS: CONES, BENTHIC FORAMINIFERA, ECHINOID, MILIOLIDS Dictyconus gunteri, Dictyconus cookei 340 - 345 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 10-50% ALTERED; SUBHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 3% FOSSILS: CONES, BENTHIC FORAMINIFERA, ECHINOID, MILIOLIDS Dictyconus cookei 345 - 350 DOLOSTONE; YELLOWISH GRAY TO GRAYISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 7% OTHER FEATURES: SUCROSIC Dictyconus cookei 350 - 355 DOLOSTONE; GRAYISH ORANGE TO LIGHT YELLOWISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% OTHER FEATURES: SUCROSIC FOSSILS: CONES, MILIOLIDS 355 - 360 DOLOSTONE; YELLOWISH GRAY TO GRAYISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 5% FOSSILS: ECHINOID, CONES 360 - 365 DOLOSTONE; GRAYISH ORANGE TO LIGHT YELLOWISH ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% OTHER FEATURES: SUCROSIC FOSSILS: CONES 365 - 370 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 3% OTHER FEATURES: SUCROSIC 370 - 375 WACKESTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: SKELETAL, BIOGENIC 40% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO VERY COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 7% FOSSILS: CONES Dictyconus cookei, Dictyconus americanus 375 - 380 DOLOSTONE; YELLOWISH GRAY TO GRAYISH ORANGE 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE-10% FOSSILS: CONES, ALGAE, ECHINOID 380 - 385 DOLOSTONE; GRAYISH BROWN TO YELLOWISH GRAY 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 7% OTHER FEATURES: SUCROSIC FOSSILS: CONES, MILIOLIDS, BENTHIC FORAMINIFERA 385 - 390 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 10-50% ALTERED; SUBHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: CALCITE- 1% FOSSILS: FOSSIL MOLDS, MILIOLIDS 390 - 395 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 10-50% ALTERED; ANHEDRAL GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT FOSSILS: FOSSIL MOLDS 395 - 400 MUDSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CALCILUTITE, BIOGENIC 10% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, MICA- 1%, CALCITE- 1% FOSSILS: CONES, FOSSIL MOLDS 400 - 405 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: BIOGENIC, SKELETAL, CALCILUTITE 80% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, CALCITE- 1% FOSSILS: ECHINOID, MOLLUSKS, CONES, MILIOLIDS 405 - 410 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: SKELETAL, BIOGENIC, CALCILUTITE 90% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX FOSSILS: CONES, MILIOLIDS, BENTHIC FORAMINIFERA 410 - 420 DOLOSTONE; GRAYISH ORANGE TO MODERATE BROWN 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL MOLDS, MOLLUSKS 420 - 425 DOLOSTONE; GRAYISH BROWN TO YELLOWISH GRAY 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% 425 - 430 AS ABOVE 430 - 435 DOLOSTONE; GRAYISH BROWN TO YELLOWISH GRAY 50-90% ALTERED; ANHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% FOSSILS: CONES 435 - 440 DOLOSTONE; GRAYISH BROWN TO YELLOWISH GRAY 50-90% ALTERED; SUBHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 3% FOSSILS: MILIOLIDS, CONES 440 - 445 DOLOSTONE; YELLOWISH GRAY 50-90% ALTERED; EUHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% OTHER FEATURES: SUCROSIC FOSSILS: MILIOLIDS, CONES 445 - 450 DOLOSTONE; YELLOWISH GRAY TO GRAYISH ORANGE 50-90% ALTERED; ANHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% FOSSILS: MILIOLIDS 450 - 455 DOLOSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE 10-50% ALTERED; ANHEDRAL GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1%, CLAY- 1% FOSSILS: MILIOLIDS 455 - 460 WACKESTONE; YELLOWISH GRAY GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELTAL CAST 35% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL MOLDS 460 - 465 WACKESTONE; YELLOWISH GRAY TO GRAYISH ORANGE GRAIN TYPE: CALCILUTITE, BIOGENIC 30% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: DOLOMITIC FOSSILS: MILIOLIDS, MOLLUSKS 465 - 470 AS ABOVE 470 - 475 WACKESTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC, CRYSTALS 15% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT OTHER FEATURES: DOLOMITIC FOSSILS: BENTHIC FORAMINIFERA, CONES, MILIOLIDS Spirolina, Dictyconus amercanus, Coskinolina, Amphistegina/ On the verge of being a low alteration dolostone 475 - 480 WACKESTONE; GRAYISH ORANGE TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC, CRYSTALS 25% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% OTHER FEATURES: DOLOMITIC FOSSILS: CONES 480 - 485 WACKESTONE; YELLOWISH GRAY TO GRAYISH ORANGE GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELTAL CAST 40% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% OTHER FEATURES: DOLOMITIC FOSSILS: CONES, BENTHIC FORAMINIFERA, MILIOLIDS Coskinolina, Spirolina 485 - 490 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELTAL CAST 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: FOSSIL FRAGMENTS, ECHINOID, BENTHIC FORAMINIFERA FOSSIL MOLDS 490 - 495 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: SKELETAL, CALCILUTITE, SKELTAL CAST 70% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: FOSSIL FRAGMENTS, ECHINOID, BENTHIC FORAMINIFERA FOSSIL MOLDS, MOLLUSKS 495 - 500 PACKSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: BIOGENIC, CALCILUTITE, SKELTAL CAST 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL MOLDS, BENTHIC FORAMINIFERA FOSSIL FRAGMENTS Spirolina 500 - 505 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC 55% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ SAND- 1%, CLAY- 1% OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL FRAGMENTS 505 - 510 AS ABOVE 510 - 515 WACKESTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC, SKELTAL CAST 40% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1%, CALCITE- 1% OTHER FEATURES: DOLOMITIC FOSSILS: CONES, ALGAE, BENTHIC FORAMINIFERA, MOLLUSKS Dictyconus cookei, Coskinolina 515 - 520 WACKESTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CALCILUTITE, BIOGENIC, CRYSTALS 30% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL FRAGMENTS, MOLLUSKS, FOSSIL MOLDS 520 - 525 WACKESTONE; LIGHT YELLOWISH ORANGE TO GRAYISH BROWN GRAIN TYPE: CALCILUTITE, BIOGENIC, CRYSTALS 25% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 3%, CLAY- 1% OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL FRAGMENTS, CONES, FOSSIL MOLDS Dictyconus cookei 525 - 530 WACKESTONE; VERY LIGHT GRAY TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC 35% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1%, DOLOMITE- 1% OTHER FEATURES: DOLOMITIC FOSSILS: FOSSIL FRAGMENTS, BENTHIC FORAMINIFERA FOSSIL MOLDS 530 - 535 WACKESTONE; VERY LIGHT ORANGE TO YELLOWISH GRAY GRAIN TYPE: BIOGENIC, CALCILUTITE 50% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO FINE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: FOSSIL MOLDS, MOLLUSKS, BENTHIC FORAMINIFERA WORM TRACES 535 - 540 PACKSTONE; VERY LIGHT ORANGE TO YELLOWISH GRAY GRAIN TYPE: BIOGENIC, SKELETAL, CALCILUTITE 75% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, MOLLUSKS FOSSIL MOLDS 540 - 545 PACKSTONE; VERY LIGHT ORANGE TO GRAYISH ORANGE GRAIN TYPE: BIOGENIC, SKELETAL, CALCILUTITE 65% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, MOLLUSKS FOSSIL MOLDS Dictyconus cookei, Lithunella, Spirolina 545 - 550 PACKSTONE; VERY LIGHT ORANGE TO GRAYISH ORANGE GRAIN TYPE: BIOGENIC, CALCILUTITE, CRYSTALS 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ- 1%, CLAY- 1% OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL MOLDS, FOSSIL FRAGMENTS 550 - 555 MUDSTONE; VERY LIGHT ORANGE TO GRAYISH ORANGE GRAIN TYPE: CALCILUTITE; 3% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: SUCROSIC, DOLOMITIC FOSSILS: FOSSIL FRAGMENTS 555 - 560 MUDSTONE; GRAYISH ORANGE TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, CRYSTALS 5% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT OTHER FEATURES: SUCROSIC, DOLOMITIC FOSSILS: ECHINOID, FOSSIL FRAGMENTS, CONES Dictyconus americanus 560 - 565 MUDSTONE; VERY LIGHT ORANGE TO YELLOWISH GRAY GRAIN TYPE: CRYSTALS, CALCILUTITE 5% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% OTHER FEATURES: SUCROSIC, DOLOMITIC FOSSILS: ECHINOID, FOSSIL MOLDS 565 - 570 MUDSTONE; VERY LIGHT ORANGE TO YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, CRYSTALS 7% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: SUCROSIC, DOLOMITIC FOSSILS: FOSSIL MOLDS 570 - 575 DOLOSTONE; GRAYISH BROWN TO YELLOWISH GRAY 50-90% ALTERED; EUHEDRAL GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO FINE GOOD INDURATION CEMENT TYPE(S): DOLOMITE CEMENT ACCESSORY MINERALS: LIMESTONE- 1% FOSSILS: FOSSIL MOLDS, MOLLUSKS, CONES Dictyconus americanus 575 - 580 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: BIOGENIC, CRYSTALS, CALCILUTITE 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS FOSSIL MOLDS Dictyconus americanus, Dictyconus cookei, Spirolina and Coskinolina 580 - 585 PACKSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CRYSTALS, BIOGENIC, CALCILUTITE 60% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% FOSSILS: CONES, BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS FOSSIL MOLDS 585 - 590 WACKESTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE 40% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: BENTHIC FORAMINIFERA, FOSSIL FRAGMENTS FOSSIL MOLDS 590 - 595 WACKESTONE; YELLOWISH GRAY TO GRAYISH ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE 20% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL FRAGMENTS, BENTHIC FORAMINIFERA 595 - 600 WACKESTONE; YELLOWISH GRAY TO GRAYISH ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE 20% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL FRAGMENTS, BENTHIC FORAMINIFERA FOSSIL MOLDS Textularia 600 - 605 WACKESTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE, BIOGENIC 20% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ- 1%, DOLOMITE- 1% OTHER FEATURES: SUCROSIC FOSSILS: ALGAE, FOSSIL MOLDS, BENTHIC FORAMINIFERA 605 - 610 WACKESTONE; GRAYISH BROWN TO GRAYISH ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE, BIOGENIC 30% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO COARSE MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: QUARTZ- 1% OTHER FEATURES: SUCROSIC FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS FOSSIL MOLDS Textularia, Dictyconus cookei, Spirolina 610 - 615 WACKESTONE; GRAYISH BROWN TO GRAYISH ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE, BIOGENIC 15% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): SPARRY CALCITE CEMENT, CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ- 1%, DOLOMITE- 1% OTHER FEATURES: SUCROSIC FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS Dictyconus cookei, Coskinolina 615 - 620 WACKESTONE; YELLOWISH GRAY TO GRAYISH ORANGE GRAIN TYPE: CALCILUTITE, CRYSTALS 15% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 3% OTHER FEATURES: SUCROSIC, DOLOMITIC FOSSILS: BENTHIC FORAMINIFERA, CONES, FOSSIL FRAGMENTS FOSSIL MOLDS Gypsinia, Dictyconus cookei 620 - 625 PACKSTONE; YELLOWISH GRAY GRAIN TYPE: CALCILUTITE, BIOGENIC, SKELTAL CAST 55% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT ACCESSORY MINERALS: DOLOMITE- 1%, CLAY- 1% FOSSILS: BENTHIC FORAMINIFERA, CONES, ECHINOID Large amount of driller's mud. Looks as if there was a chemical or biological change in the carbonate compared to the samples above and below. This sample is also texturally different. Cavings or poor sampling? Globula, Dictyconus cookei, Dictyconus americanus, Spirolina, Textularia Lithunella, Coskinolina, Dictyconus gunteri 625 - 630 WACKESTONE; YELLOWISH GRAY TO GRAYISH BROWN GRAIN TYPE: CALCILUTITE, BIOGENIC, CRYSTALS 15% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: VERY FINE; RANGE: MICROCRYSTALLINE TO MEDIUM GOOD INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1%, QUARTZ- 1% FOSSILS: FOSSIL MOLDS, FOSSIL FRAGMENTS, ECHINOID 630 - 635 MUDSTONE; YELLOWISH GRAY TO VERY LIGHT ORANGE GRAIN TYPE: CRYSTALS, CALCILUTITE 5% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: QUARTZ- 1% OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL MOLDS, FOSSIL FRAGMENTS BENTHIC FORAMINIFERA 635 - 640 MUDSTONE; YELLOWISH GRAY GRAIN TYPE: CRYSTALS, CALCILUTITE 7% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: DOLOMITE- 1% OTHER FEATURES: SUCROSIC FOSSILS: FOSSIL MOLDS, FOSSIL FRAGMENTS BENTHIC FORAMINIFERA, MOLLUSKS 640 - 645 MUDSTONE; YELLOWISH GRAY TO YELLOWISH GRAY GRAIN TYPE: CRYSTALS, CALCILUTITE 7% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: MICROCRYSTALLINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX ACCESSORY MINERALS: CLAY- 1% FOSSILS: FOSSIL MOLDS, FOSSIL FRAGMENTS BENTHIC FORAMINIFERA, MOLLUSKS, CONES Dictyconus cookei, Globula 645 - 650 MUDSTONE; YELLOWISH GRAY GRAIN TYPE: CRYSTALS, CALCILUTITE 3% ALLOCHEMICAL CONSTITUENTS GRAIN SIZE: FINE; RANGE: VERY FINE TO MEDIUM MODERATE INDURATION CEMENT TYPE(S): CALCILUTITE MATRIX, SPARRY CALCITE CEMENT FOSSILS: FOSSIL MOLDS, BENTHIC FORAMINIFERA Coskinolina 650 TOTAL DEPTH