Lithologic Log
(Log data entered by KGS.) |
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From: 0 ft. to 20 ft. |
no recovery |
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From: 20 ft. to 30 ft. |
gray silty shale and sandy siltstone |
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From: 30 ft. to 40 ft. |
gray silty shale and sandy siltstone |
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From: 40 ft. to 50 ft. |
gray shale |
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From: 50 ft. to 60 ft. |
gray shale |
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From: 60 ft. to 70 ft. |
gray shale |
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From: 70 ft. to 80 ft. |
gray siltstone, very fine sand |
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From: 80 ft. to 90 ft. |
gray siltstone, very fine sand |
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From: 90 ft. to 100 ft. |
gray siltstone, very fine sand |
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From: 100 ft. to 120 ft. |
gray siltstone, very fine sand |
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From: 120 ft. to 130 ft. |
gray siltstone, very fine sand |
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From: 130 ft. to 140 ft. |
gray siltstone, very fine sand |
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From: 140 ft. to 150 ft. |
gray siltstone, very fine sand, carbonaceous or heavy oil? |
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From: 150 ft. to 160 ft. |
smell of petroleum, lots of subangular to angular chert grains, some fine sand, Mississippian top at 158 feet |
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From: 160 ft. to 170 ft. |
gray siltstone, sandstone chert granules, heavy oil globules |
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From: 170 ft. to 180 ft. |
white speckled limestone with some chert |
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From: 180 ft. to 190 ft. |
tan to light gray limestone |
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From: 190 ft. to 200 ft. |
tan to light gray limestone |
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From: 200 ft. to 210 ft. |
tan to light gray limestone, water wet |
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From: 210 ft. to 220 ft. |
tan to light gray limestone, water wet |
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From: 220 ft. to 230 ft. |
tan to light gray limestone, dry sample |
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From: 230 ft. to 240 ft. |
tan fossiliferous limestone |
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From: 240 ft. to 250 ft. |
tan fossiliferous limestone |
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From: 250 ft. to 260 ft. |
white to light gray limestone |
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From: 260 ft. to 270 ft. |
light gray and tan limestone, some chert |
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From: 270 ft. to 280 ft. |
light gray limestone and chert |
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From: 280 ft. to 290 ft. |
tan and light gray limestone, some chert |
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From: 290 ft. to 300 ft. |
tan and light gray limestone and abundant chert, wet sample |
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From: 300 ft. to 310 ft. |
light gray and some tan limestone and white opaque chert abundant |
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From: 310 ft. to 320 ft. |
dark tan dolostone and abundant white to gray chert |
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From: 320 ft. to 330 ft. |
brown fine dolostone and chert |
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From: 330 ft. to 340 ft. |
chert, dark gray to gray, with brown dolostone, disseminated |
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From: 340 ft. to 350 ft. |
chert, dark gray to gray, with brown dolostone, disseminated |
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From: 350 ft. to 360 ft. |
chert, dark gray to gray, with brown dolostone, disseminated |
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From: 360 ft. to 370 ft. |
chert, dark gray to gray, with brown dolostone, disseminated, some red silt |
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From: 370 ft. to 380 ft. |
gray and white chert, dark gray dolostone, rare white limestone? |
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From: 380 ft. to 390 ft. |
dark gray dolostone, some chert, some reddish silt |
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From: 390 ft. to 400 ft. |
gray chert, brown dolostone |
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From: 400 ft. to 410 ft. |
light gray and gray chert, brown dolostone, rare fragments of clear quartz |
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From: 410 ft. to 420 ft. |
light gray and gray chert, brown dolostone, rare fragments of clear quartz |
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From: 420 ft. to 430 ft. |
gray dolomitic limestone and chert |
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From: 430 ft. to 440 ft. |
dark tan dolostone, some chert |
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From: 440 ft. to 450 ft. |
tan limestone with some chert |
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From: 450 ft. to 460 ft. |
tan limestone with some chert |
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From: 460 ft. to 470 ft. |
tan limestone with some chert, Northview Formation at 463 feet |
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From: 470 ft. to 480 ft. |
soft gray to greenish gray shale with disseminated pyrite |
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From: 480 ft. to 490 ft. |
gray green shale |
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From: 490 ft. to 500 ft. |
gray green shale and tan limestone |
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From: 500 ft. to 510 ft. |
tan limestone (top of the Cotter at 510 feet) |
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From: 510 ft. to 520 ft. |
tan dolostone |
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From: 520 ft. to 530 ft. |
tan and gray dolostone, minor translucent to white opaque chert, minor black and green shale |
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From: 530 ft. to 540 ft. |
tan and gray dolostone with minor green shale pieces |
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From: 540 ft. to 550 ft. |
brown dolostone with minor translucent to white opaque chert, minor black and green shale |
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From: 550 ft. to 560 ft. |
brown dolostone with minor translucent to white opaque chert |
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From: 560 ft. to 570 ft. |
brown dolostone with abundant oolite-bearing brown to white translucent to opaque chert and gray dolostone |
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From: 570 ft. to 580 ft. |
gray and tan dolostone with minor opaque gray to white chert |
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From: 580 ft. to 590 ft. |
brown and gray dolostone, sandy dolostone and clear quartz, gray shale |
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From: 590 ft. to 600 ft. |
light tan dolostone, sandy dolostone, gray shale |
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From: 600 ft. to 610 ft. |
brown dolostone, chert with oolites, some sandy dolostone |
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From: 610 ft. to 620 ft. |
tan dolostone, chert, white, more abundant, silicified sandstone |
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From: 620 ft. to 630 ft. |
tan dolostone, chert, white, more abundant, silicified sandstone, green shale, pyrite |
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From: 630 ft. to 640 ft. |
tan dolostone, clear and translucent quartz and some chert |
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From: 640 ft. to 650 ft. |
tan to brown sandy dolostone, white chert and clear quartz, silicified sandstone, green shale |
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From: 650 ft. to 660 ft. |
brown dolostone, white silicified sandstone, white opaque chert |
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From: 660 ft. to 670 ft. |
brown dolostone, white silicified sandstone, white opaque chert |
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From: 670 ft. to 680 ft. |
brown dolostone, silicified dolostone, white chert containing silicified oolites |
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From: 680 ft. to 690 ft. |
brown dolostone and brown sandy dolostone, trace amounts of pyrite |
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From: 690 ft. to 700 ft. |
brown dolostone and brown sandy dolostone, trace amounts of pyrite |
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From: 700 ft. to 710 ft. |
brown dolostone and brown sandy dolostone, trace amounts of pyrite, silicified oolites more abundant |
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From: 710 ft. to 720 ft. |
brown dolostone, minor chert and trace of pyrite |
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From: 720 ft. to 730 ft. |
tan dolostone, translucent to white chert, green shale, pyrite |
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From: 730 ft. to 740 ft. |
brown dolostone, sandy dolostone, green shale, translucent to white chert |
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From: 740 ft. to 750 ft. |
brown dolostone, chert with ooids |
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From: 750 ft. to 760 ft. |
brown dolostone, white silicified sandstone, ooids in chert, white translucent to opaque chert, green shale |
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From: 760 ft. to 770 ft. |
brown dolostone, white silicified sandstone, ooids in chert, white translucent to opaque chert, green shale, chert abundant |
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From: 770 ft. to 780 ft. |
brown dolostone, white silicified sandstone, translucent chert and clear quartz fragments very abundant |
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From: 780 ft. to 790 ft. |
gray dolostone, white silicified sandstone, green shale |
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From: 790 ft. to 800 ft. |
gray dolostone, white to gray sandstone with minor glauconite and pyrite, trace green shale |
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From: 800 ft. to 810 ft. |
tan dolostone, light gray sandy dolomite with sand grains set in a matrix of fine carbonate, glauconite |
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From: 810 ft. to 820 ft. |
light gray and white sandy dolostone, green shale, pyrite |
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From: 820 ft. to 830 ft. |
gray to tan gray medium dolostone |
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From: 830 ft. to 840 ft. |
tan dolostone with what appears to be oolites, sandy dolostone |
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From: 840 ft. to 850 ft. |
tan dolostone, trace of green shale, white chert and clear quartz |
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From: 850 ft. to 860 ft. |
tan sandy dolomite, free fine to medium sand grains |
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From: 860 ft. to 870 ft. |
gray dolostone |
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From: 870 ft. to 880 ft. |
gray to light tan dolostone, white quartz sandstone, trace amounts of pyrite disseminated in dolomite and sandstone |
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From: 880 ft. to 890 ft. |
fine to very fine quartz sand |
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From: 890 ft. to 900 ft. |
fine to very fine quartz sand, harder |
