DBHYDRO	reports

Lithologic Interval Details Well Name X-Coord (feet) Y-Coord (feet) W-12973 775824 211074 Min. Depth (feet) Max. Depth (feet) Primary Rock % Primary Rock Primary Color Induration % Porosity Comments 0 30 LIMESTONE LIGHT YELLOWISH ORANGE MODERATE 25 DOMINANTLY RECRYSTALLEZED LIMESTONE: CALCILUTITE MUD CONTENT(25%) INTERVAL 0-10 FEET. 30 40 LIMESTONE YELLOWISH GRAY MODERATE 25 25% OF SAMPLE CONSISTS OF WELL ROUNDED TO SUB ROUNDED FINE-COARSE GRAINED QTZ SAND. PHOSPHATE IS PRESENT IN WELL CEMENTED RECRYSTALLIZED LIMESTONE WITH QTZ SAND. 40 68 LIMESTONE LIGHT YELLOWISH ORANGE GOOD 15 RECRYSTALLIZED LIMESTONE CONSISTING DOMINANTLY OF VERY FINE GRAINED, EUHEDRAL-ANHEDRAL, CALCITE CRYSTALS, SOME OF WHICH FORM FOSSIL MOLDS. RECRYSTALLIZATION, DOMINANTLY HIGH, RANGES FROM VERY LOW TO HIGH IN INTERVAL 50-73 FEET. GASTROPOD MOLDS PRESENT 68 73 LIMESTONE ALSO CONTAINS 25% QTZ SAND NOT OBSERVED IN MATRIX. 73 84 LIMESTONE LIGHT YELLOWISH ORANGE MODERATE 25 40% FINE GRAINED QTZ SAND NOT OBSERVED IN MATRIX. DOMINANTLY RECRYSTALLIZED LIMESTONE. 84 92 LIMESTONE LIGHT BROWNISH GRAY GOOD 15 QTZ AND PHOSPHATIC SAND OBSERVED IN MATRIX. DOMINANTLY RECRYSTALLIZED LIMESTONE - COARSER GRAINED THAN ABOVE. 92 106 LIMESTONE YELLOWISH GRAY UNCONSOLIDATED 25 PHOSPHATIC SILT <1%, 3% QTZ SAND NOT OBSERVED IN MATRIX. 106 125 SANDSTONE LIGHT GRAY GOOD 15 DOMINANTLY WELL INDURATED SPAR CALCITE CEMENTED SANDSTONES. PHOSPHATIC SILT 1% 125 149 SANDSTONE GRAYISH ORANGE GOOD 15 PHOSPHATIC SILT 1%, 60% OF INTERVAL IS UNCONSOLIDATED, POORLY SORTED QTZ SAND. 149 157 SAND (QUARTZ) GRAYISH ORANGE GOOD 25 70% OF SAMPLE IS UNCONSOLIDATED POORLY SORTED SAND SIMILAR TO THAT OBSERVED IN ROCK. PHOSPHATE SILT 1%. 157 181 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 30 PHOSPHATED SILT 2%, ECHINOID SPINES, PLANKTONIC FORAMS. 181 189 SAND (QUARTZ) LIGHT GREENISH GRAY UNCONSOLIDATED 30 ECHINOID SPINES PRESENT. 189 205 SAND (QUARTZ) LIGHT GREENISH GRAY UNCONSOLIDATED 30 ECHINOID SPINES PRESENT. 205 213 SILT YELLOWISH GRAY UNCONSOLIDATED 25 PHOSPHATIC SILT 1% 213 215 LIMESTONE YELLOWISH GRAY MODERATE 25 THIS SAMPLE IS LABELED FROM 205-215 FOOT DEPTH. QTZ SAND FRACTION IS VERY FINE GRAINED. 215 222 NO SAMPLE 222 254 SILT YELLOWISH GRAY POOR 20 ECHINOID SPINES PRESENT. 254 262 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 ECHINOID SPINES PRESENT. 262 278 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 ECHINOID SPINES PRESENT. 278 286 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 20 286 292 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 30 ECHINOID SPINES PRESENT, <5% OF SAMPLE IS SPAR CALCITE CEMENTED. WELL ROUNDED QTZ SANDSTONE. 292 300 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 300 308 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 308 316 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 30 316 322 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 322 330 SAND (QUARTZ) DARK YELLOWISH ORANGE UNCONSOLIDATED 25 330 354 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 10% SHELL FRAGMENTS. 354 370 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 20 25% OF SAMPLE IS A MODERATELY, WELL INDURATED, CALCILUTITE SANDSTONE. ECHINOID FRAGMENTS COMMON. 370 418 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 ECHINOID FRAGMENTS, 20% SHELL FRAGMENTS, UP TO 10% MODERATELY INDURATED, CALCILUTITE CEMENTED QTZ SANDSTONE. MOST FOSSIL FRAGMENTS ARE RECRYSTALLIZED AND POSSIBLY REWORKED IN THE INTERVAL FROM 394-418. AVERAGE GRAIN SIZE INCREASES TO VERY COARSE GRAINED. 418 448 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 448 488 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 30% OF SAMPLE IS GREYISH-OLIVE POORLY INDURATED MUDSTONE WITH QTZ SAND AND LITTLE METALLIC SPHERES. 488 512 LIMESTONE VERY PALE ORANGE POOR 20 30% OF SAMPLE IS QTZ SAND SIMILAR TO ABOVE. 512 520 LIMESTONE GRAYISH BROWN MODERATE 20 RECRYSTALLIZED LIMESTONE. 35% OF SAMPLE IS MEDIUM-COARSE GRAINED SUBANGULAR QTZ SAND. 520 528 LIMESTONE YELLOWISH GRAY POOR 20 528 536 LIMESTONE YELLOWISH GRAY POOR 20 536 544 LIMESTONE YELLOWISH GRAY MODERATE 20 RECRYSTALLIZED LIMESTONE. 544 602 LIMESTONE VERY PALE ORANGE POOR 25 602 616 LIMESTONE VERY PALE ORANGE POOR 20 616 632 SAND (QUARTZ) YELLOWISH GRAY POOR 25 632 664 LIMESTONE YELLOWISH GRAY POOR 20 10% RECRYSTALLIZED SHELL FRAGMENTS. 664 688 LIMESTONE YELLOWISH GRAY POOR 25 688 696 LIMESTONE YELLOWISH GRAY MODERATE 25 696 704 LIMESTONE YELLOWISH GRAY MODERATE 20 704 712 LIMESTONE YELLOWISH GRAY POOR 20 25% OF SAMPLE RANGE IS PARTIALLY RECRYSTALLIZED. 712 745 LIMESTONE YELLOWISH GRAY POOR 25 20-40% OF SAMPLE IS VERY FINE GRAINED, SUBANGULAR QTZ SAND. 745 755 LIMESTONE YELLOWISH GRAY POOR 25 755 775 LIMESTONE YELLOWISH GRAY POOR 20 775 785 LIMESTONE YELLOWISH GRAY POOR 20 15% RECRYSTALLIZED FOSSIL SHELL FRAGMENTS. 785 805 LIMESTONE YELLOWISH GRAY POOR 25 40% OF SAMPLE IS MEDIUM-COARSE GRAINED, SUBANGULAR QTZ SAND NOT OBSERVED IN MATRIX. 2% PHOSPHATIC SAND(POSSIBLE CAVINGS?) 805 815 LIMESTONE VERY PALE ORANGE POOR 20 QTZ SAND NOT OBSERVED IN MATRIX. 815 825 LIMESTONE YELLOWISH GRAY MODERATE 20 40% OF SAMPLE IS SUBANGULAR, MEDIUM-COARSE GRAINED QTZ SAND NOT OBSERVED IN MATRIX. 825 885 LIMESTONE YELLOWISH GRAY POOR 20 QTZ SAND CONTENT RANGES FROM 1-20%. NOT OBSERVED IN MATRIX. 885 924 LIMESTONE VERY PALE ORANGE POOR 25 RECRYSTALLIZATION RANGES FROM LOW TO INTERMEDIATE. 924 944 LIMESTONE VERY PALE ORANGE MODERATE 20 GASTROPOD MOLDS PRESENT. RECRYSTALLIZATION RANGES FROM NONE TO LOW 944 965 SAND (QUARTZ) YELLOWISH GRAY UNCONSOLIDATED 25 UNCONSOLIDATED CARBONATE SAND. QTZ SAND NOT IN MATRIX. 965 976 LIMESTONE LIGHT GREENISH YELLOW POOR 20 15% FRAGMENTS OF RECRYSTALLIZED LIMESTONE. 976 987 LIMESTONE LIGHT GREENISH YELLOW MODERATE 20 GASTROPOD MOLDS PRESENT. 987 995 LIMESTONE LIGHT GREENISH YELLOW MODERATE 20 RECRYSTALLIZATION RANGES FROM ZERO TO MEDIUM. 995 1002 LIMESTONE LIGHT GREENISH YELLOW POOR 20 1002 1017 LIMESTONE LIGHT GREENISH YELLOW MODERATE 20 1017 1045 LIMESTONE LIGHT GREENISH YELLOW POOR 25 1045 1053 LIMESTONE YELLOWISH GRAY MODERATE 20 1053 1065 SAND (QUARTZ) GRAYISH ORANGE POOR 20 RECRYSTALLIZED CARBONATE SAND GRAINS. 1065 1140 LIMESTONE GRAYISH ORANGE MODERATE 20 INTERVAL FROM 1065-1074 CONTAINS 15% CALCILUTITE CEMENTED LIMESTONE. Page generated at: 03-JUL-2024 06:13 EDT

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