| Min.Depth(feet) |
Max.Depth(feet) |
Primary Rock |
%PrimaryRock |
Primary Color |
Induration |
%Porosity |
Comments |
| 0 |
5 |
SAND (QUARTZ) |
|
VERY PALE ORANGE |
UNCONSOLIDATED |
35 |
LIMESTONE IS VERY SANDY SMALL PIECES. LARGE PIECE OF SANDY LIMESTONE WITH OOIDS AND SOME RECRYSTALLIZATION. |
| 5 |
10 |
SAND (QUARTZ) |
|
GRAYISH BROWN |
UNCONSOLIDATED |
25 |
OOLITIC SANDY LIMESTONE and SAND. |
| 10 |
15 |
LIMESTONE |
|
YELLOWISH GRAY |
MODERATE |
20 |
SANDY OOLITE AND SANDY SHELLY LIMESTONE. CLAM CAST. 20% OF SAMPLE IS LOOSE SAND WITH CALCILITE. |
| 15 |
20 |
SAND (QUARTZ) |
|
GRAYISH BROWN |
UNCONSOLIDATED |
30 |
TRACE OF OPAQUE HEAVY MINERALS. |
| 20 |
25 |
SAND (QUARTZ) |
|
MODERATE YELLOWISH BROWN |
UNCONSOLIDATED |
30 |
|
| 25 |
30 |
SAND (QUARTZ) |
|
GRAYISH BROWN |
UNCONSOLIDATED |
30 |
TRACE OF OPAQUE HEAVY MINERALS. |
| 30 |
35 |
SAND (QUARTZ) |
|
GRAYISH BROWN |
UNCONSOLIDATED |
30 |
TRACE OF OPAQUE HEAVY MINERALS. |
| 35 |
40 |
SAND (QUARTZ) |
|
VERY PALE ORANGE |
UNCONSOLIDATED |
30 |
15% CALCAREOUS SANDSTONE. TRACE OF ROSE QUARTZ. TRACE OF HEAVY MINERALS. |
| 40 |
45 |
SANDSTONE |
|
WHITE |
MODERATE |
20 |
LITHOLOGY VARIES - CALCAREOUS SANDSTONE TO SANDY LIMESTONE. 35% OF SAMPLE IS LOOSE SAND - CLEAN, WELL SORTED, FINE TO MEDIUM GRAINED WITH VERY FINE GRAINED PHOSPHATE. TRACE OF COARSE GRAINED PHOSPHATE. |
| 45 |
55 |
SAND (QUARTZ) |
|
YELLOWISH GRAY |
UNCONSOLIDATED |
30 |
CLEAN WELL SORTED SAND WITH VERY FINE GRAINED PHOSPHATE. TRACE OF MICA. 15% OF SAMPLE IS CALCAREOUS SANDSTONE WHICH DECREASES WITH DEPTH. |
| 55 |
65 |
LIMESTONE |
|
YELLOWISH GRAY |
MODERATE |
20 |
GASTROPOD AND CLAM CAST, AMMONIA, ARCHAIAS. <1% MICA. 40% OF SAMPLE IS CLEAN, WELL SORTED, FINE TO MEDIUM GRAINED SAND WITH VERY FINE GRAINED PHOSPHATE. LITHOLOGY VARIES FROM SANDY LIMESTONE TO CALCAREOUS SANDSTONE. |
| 65 |
70 |
LIMESTONE |
|
YELLOWISH GRAY |
MODERATE |
20 |
CLAM AND GASTROPOD CAST. MEDIUM TO HIGH RECRYSTALLIZATION. COARSER PHOSPHATE IS POLISHED. 20% OF SAMPLE IS LOOSE SAND NOT AS WELL SORTED AS PREVIOUS SAMPLES. CORE SECTION FOR THIS INTERVAL IS WACKESTONE TO PACKSTONE. 20% POROSITY, INTERGRANULAR, INTERCRYSTALLINE, VUGULAR. MODERATE INDURATION. MEDIUM RECRYSTALLIZATION. BRYOZOAN AND ALGAE. PHOSPHATE IS VERY FINE GRAINED WITH SMALL AMOUNT COARSE GRAINED. LIMESTONE IS SANDY - SAND AMOUNT VARIES THROUGHOUT. |
| 70 |
75 |
NO SAMPLE |
|
|
|
|
|
| 75 |
80 |
LIMESTONE |
|
WHITE |
MODERATE |
25 |
AMOUNT OF SAND VARIES WITHIN LIMESTONE FROM 10-50%. 40% LOOSE SAND. CLAM AND GASTROPOD CAST. CORE SECTION FOR THIS INTERVAL IS WACKESTONE TO PACKSTONE WITH LARGE BRYOZOAN PIECES RECRYSTALLIZED AND SOLUTION HOLES. MICROCRYSTALLINE LIMESTONE COATED WITH CALCITE DRUSE. ABOUT 20% POROSITY, INTERGRANULAR, INTERCRYSTALLINE, VUGULAR. MODERATE INDURATION. MEDIUM RECRYSTALLIZATION. 35% SPAR, 5% SAND, 2% SHELL, <3% PHOSPHATE. |
| 80 |
85 |
NO SAMPLE |
|
|
|
|
CORE SECTION FOR THIS INTERVAL IS LIMESTONE. ABOUT 20% POROSITY, INTERGRANULAR, MOLDIC, VUGULAR. MODERATE INDURATION. FOSSILS INCLUDE BRYOZOA, ALGAE, BENTHIC FORAMINIFERA, ECHINOIDS. MICROCRYSTALLINE LIMESTONE WITH LARGE MOLDS POSSIBLY FROM BRYOZOA. |
| 85 |
95 |
LIMESTONE |
|
WHITE |
MODERATE |
30 |
WACKESTONE TO PACKSTONE. CORE SECTION FOR 85-90 FT SECTION IS WACKESTONE TO PACKSTONE WITH POCKETS OF VERY SANDY, PHOSPHATIC LIMESTONE. 20% POROSITY, INTERGRANULAR, VUGULAR, MOLDIC. MEDIUM RECRYSTALLIZATION. 15% SAND, 30% SPAR, <3% PHOSPHATE. CORE SECTION FOR 90-95 FT. INTERVAL IS PACKSTONE TO GRAINSTONE. 20% POROSITY, INTERGRANULAR, MOLDIC, VUGULAR. MODERATE INDURATION. MEDIUM RECRYSTALLIZATION. 10% SAND, 35% SPAR, <1% PHOSPHATE. DRUSY CALCITE COATING OVER SOME OF THE LIMESTONE. PART OF THE LIMESTONE IS HIGHLY RECRYSTALLIZED. ALGAL BALLS-ONCOLITES. |
| 95 |
100 |
LIMESTONE |
|
WHITE |
MODERATE |
30 |
SHELLY SANDY LIMESTONE - SAND POORLY SORTED. ABOUT 20% LOOSE SAND WITH MODE OF MEDIUM TO COARSE GRAINED. PHOSPHATE IS POLISHED. CORE SECTION FOR THIS INTERVAL IS LIMESTONE. 20% POROSITY, INTERGRANULAR, MOLDIC, VUGULAR. MODERATE INDURATION. 35% SAND, 10% PHOSPHATE, 35% SPAR. MEDIUM RECRYSTALLIZATION. SHELLY, PHOSPHATIC, SANDY LIMESTONE. MEDIUM TO HIGH RECRYSTALLIZATION. ONCOLITES. |
| 100 |
115 |
LIMESTONE |
|
YELLOWISH GRAY |
MODERATE |
30 |
5% CALCITE. LITHOLOGY VARIES FROM SANDY PHOSPHATIC LIMESTONE TO CALCAREOUS PHOSPHATIC SANDSTONE. POROSITY DECREASES WITH DEPTH. RECRYSTALLIZATION INCREASES WITH DEPTH AS DOES CACITE AND SPARRY CALCITE. |
| 115 |
130 |
SANDSTONE |
|
YELLOWISH GRAY |
GOOD |
20 |
LITHOLOGY VARIES FROM CALCAREOUS SANDSTONE TO SANDY LIMESTONE. 20% OF SAMPLE IS LOOSE-SAND, PHOSPHATE, SHELL AND CALCITE. PHOSPHATE INCREASES WITH DEPTH. LARGE GASTROPOD CAST(3CM X 3CM). |
| 130 |
140 |
LIMESTONE |
|
YELLOWISH GRAY |
GOOD |
20 |
LITHOLOGY VARIES FROM SANDY LIMESTONE TO CALCAREOUS SANDSTONE. CORE SECTION FOR 130-135 FT. INTERVAL IS SANDSTONE. MOST OF THE PIECES ARE VERY HIGH POROSITY. LOWER POROSITY PIECES HAVE PORE SPACES FILLED WITH SPAR (HIGH RECRYSTALLIZATON) MOST OF THE SECTION HAS POOR INDURATION. 25% SPAR, 15% PHOSPHATE. MEDIUM RECRYSTALLIZATION. LITHOLOGY VARIES FROM CALCAREOUS SANDSTONE TO SANDY LIMESTONE. ABOUT 25% SAND SIZED CARBONATE GRAINS. CORE SECTION FOR THE 135-140 FT. INTERVAL IS LIMESTONE (RECRYSTALLIZED COQUINA). SOME PIECES ARE CALCAREOUS SANDSTONE. 20% POROSITY, INTERGRANULAR, MOLDIC. MODERATE INDURATION. 25% SAND, 45% SPAR, 3% PHOSPHATE. HIGH RECRYSTALLIZATION. |
| 140 |
145 |
LIMESTONE |
|
YELLOWISH GRAY |
GOOD |
10 |
MEDIUM TO HIGH RECRYSTALLIZATION. RECRYSTALLIZED SHELL VARIES IN SIZE, UNABLE TO ESTIMATE ALLOCHEM PERCENTAGE DUE TO DEGREE OF RECRYSTALLIZATION. CORE SECTION FOR THIS INTERVAL IS LIMESTONE. LOW POROSITY, INTERGRANULAR, MOLDIC. GOOD INDURATION. HIGH RECRYSTALLIZATION. 75% SPAR, 10% SAND, <1% PHOSPHATE. TRACE OF PYRITE. APPEARS TO BE A HIGHLY RECRYSTALLIZED COQUINA. NOT ABLE TO ESTIMATE ALLOCHEMS. |
| 145 |
150 |
LIMESTONE |
|
YELLOWISH GRAY |
GOOD |
15 |
CLAM AND GASTROPOD CAST. CORE SECTION FOR THIS INTERVAL IS PACKSTONE. HIGH POROSITY, INTERGRANULAR, MOLDIC. POOR INDURATION. SAND SIZE CARBONATE GRAINS. CLAM CAST FILLED WITH DOGTOOTH SPAR. 30% SAND, 20% SPAR, 10% PHOSPHATE. ONE PIECE WITH LOW POROSTIY MEDIUM TO HIGH RECRYSTALLIZATION. |
| 150 |
165 |
SAND (QUARTZ) |
|
YELLOWISH GRAY |
UNCONSOLIDATED |
30 |
5% CALCAREOUS SANDSTONE. ABUNDANT NUMMULITES AT 160FT. 15% MOLDIC SANDY LIMESTONE WITH LOW RECRYSTALLIZATION, CORAL AND BARNACLES AT 165FT. CORE SECTION FOR 160-165 FT. INTERVAL IS A PACKSTONE. 20% POROSTIY, INTERGRANULAR, MOLDIC. MODERATE INDURATION. LOW RECRYSTALLIZATION. 35% SAND, 10% SPAR, 5% PHOSPHATE. ONCOLITES. LOOSE SAND FILLED CREVICES. CLAM AND GASTROPOD CAST. TD |
