Lithologic Logs Search for: project_name like Presho core
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Location Information
Legal Location: NE SE NE SE SEC. 22, T. 105 N., R. 77 W.
County: LYMAN Location: 105N77W22DADA
Latitude: 43.881356
Hydrologic Unit Code: 10140101 Longitude: -100.04721
Land Owner: SDDOT Ground Surface Elev. (ft.): 1820     T
Test Hole Information
Project: PRESHO CORE
Drill Date: 03/30/2015 Geologist: A. JENSEN
Company: SDGS Geologist's Log: X
Drilling Method: ROTARY Driller: S. JENSEN
Test Hole Number: M51-2015-01 Driller's Log:
Geophysical Log: YES  Total Drill Hole Depth (ft.):  475.0
Notes
THIS TEST HOLE WAS ROTARY DRILLED WITH THE ENID RIG TO 475 FEET, AND THEN PULLED FROM THE HOLE. THE MOBILE RIG SAT UP OVER THE HOLE AND CORED FROM 475 TO 739 FEET.
Lithologic Information
Elevation (ft.) Depth (ft.) Description
1820.0 - 1818.0 0.0 - 2.0 GRAVEL, SAND, CLAY MIX (FILL)
1818.0 - 1814.0 2.0 - 6.0 SHALE, DARK-GRAY; HARD (PIERRE SHALE)
1814.0 - 1810.0 6.0 - 10.0 SHALE, OLIVE WITH ORANGE; HARD (PIERRE SHALE)
1810.0 - 1803.0 10.0 - 17.0 SHALE, LIGHT-OLIVE TO TAN, WITH ORANGE; SOFTER THAN ABOVE (PIERRE SHALE)
1803.0 - 1797.0 17.0 - 23.0 SHALE, OLIVE WITH ORANGE; CONTAINS SOME LAYERS OF BENTONITE, SOFT (PIERRE SHALE)
1797.0 - 1795.0 23.0 - 25.0 SHALE, OLIVE TO DARK-GRAY WITH ORANGE AND TAN; SOFT (PIERRE SHALE)
1795.0 - 1760.0 25.0 - 60.0 SHALE, DARK-GRAY; SOFT, WITH SOME TAN BENTONITE, CALCAREOUS AT 50 FEET (PIERRE SHALE)
1760.0 - 1732.0 60.0 - 88.0 SHALE, DARK-GRAY; WITH SOFT AND HARD LAYERS, A FEW BENTONITE LAYERS, CALCAREOUS (PIERRE SHALE)
1732.0 - 1726.0 88.0 - 94.0 SHALE, DARK-GRAY WITH SOME LIGHT-GRAY; HARD, NONCALCAREOUS (PIERRE SHALE)
1726.0 - 1720.0 94.0 - 100.0 SHALE, DARK-GRAY; HARD, WITH SOME LIGHT-BROWN CALCAREOUS PIECES (PIERRE SHALE)
1720.0 - 1622.0 100.0 - 198.0 SHALE, DARK-GRAY TO BLACK; WITH LIGHT-GRAY TO WHITE BENTONITES, NONCALCAREOUS, AND SOME LIGHT-BROWN CALCAREOUS CLAY, RIG CHATTER FOR 5 TO 6 INCHES STARTING AT 198 FEET (PIERRE SHALE)
1622.0 - 1615.0 198.0 - 205.0 SHALE, DARK-GRAY; HARD, WITH MINOR AMOUNTS OF LIGHT-GRAY AND LIGHT-ROWN BENTONITE, A FEW SHELL FRAGMENTS (PIERRE SHALE)
1615.0 - 1520.0 205.0 - 300.0 SHALE, DARK-GRAY WITH RUSTY-BROWN; BECOMING HARDER AND FLAKEY, SOME RIG CHATTER AT 229 FEET (PIERRE SHALE)
1520.0 - 1470.0 300.0 - 350.0 SHALE, DARK-GRAY; HARD AND FLAKEY, WITH SOME LIGHT-GRAY BENTONITE AND SOME SOFT OLIVE CLAY; AND SOME HARD OLIVE FLAKES; AT 310 FEET SOME LIGHT-GRAY-GREEN BENTONITE (PIERRE SHALE)
1470.0 - 1440.0 350.0 - 380.0 SHALE, MEDIUM-GRAY TO DARK-GRAY; GRINDING NOISE AT 350 FEET; SOME INOCERAMUS(?) SHELL FRAGMENTS OBSERVED AT 350 AND 351 FEET (PIERRE SHALE)
1440.0 - 1420.0 380.0 - 400.0 SHALE, MEDIUM- TO DARK-GRAY; NONCALCAROUS, WITH SOME INOCERAMUS(?) SHELL FRAGMENTS, AND SOME LIGHT-GRAY, WHITE, AND GREEN BENTONITE; GETTING HARDER WITH DEPTH (PIERRE SHALE)
1420.0 - 1410.0 400.0 - 410.0 SHALE, DARK-GRAY AND OLIVE-GRAY; HARD, CONCRETION(?) AT 410 FEET (PIERRE SHALE)
1410.0 - 1408.0 410.0 - 412.0 SHALE, OLIVE-GRAY; WITH BENTONITE (PIERRE SHALE)
1408.0 - 1404.0 412.0 - 416.0 SHALE, DARK-GRAY TO OLIVE-GRAY; WITH DUSKY-GREEN BENTONITE; AND SOME BROWN SILTSTONE(?) FRAGMENTS (PIERRE SHALE)
1404.0 - 1390.0 416.0 - 430.0 SHALE, LIGHT- TO MEDIUM-GRAY; GREASY, SOFTER THAN ABOVE, NONCALCAREOUS (PIERRE SHALE)
1390.0 - 1360.0 430.0 - 460.0 SHALE, MEDIUM- TO DARK-GRAY; HARDER THAN FROM 416 TO 430 FEET; SMALL AMOUNT OF BENTONITE; SOME SILTSTONE(?) FRAGMENTS (PIERRE SHALE)
1360.0 - 1346.0 460.0 - 474.0 SHALE, MEDIUM-GRAY AND DARK-GRAY; SOME INOCERAMUS(?) SHELL FRAGMENTS; SOME DUSKY-GREEN BENTONITE (PIERRE SHALE)
1346.0 - 1345.0 474.0 - 475.0 SHALE, MEDIUM-GRAY AND DARK-GRAY; SOME YELLOW-ORANGE-RUST SOFT SHALE, AND SOME WHITISH-GRAY AND GREEN BENTONITE (PIERRE SHALE)
Record 2 of 2
Location Information
Legal Location: NE SE NE SE SEC. 22, T. 105 N., R. 77 W.
County: LYMAN Location: 105N77W22DADA 1
Latitude: 43.881686
Hydrologic Unit Code: 10140101 Longitude: -100.046597
Land Owner: SDDOT Ground Surface Elev. (ft.): 1820     T
Test Hole Information
Project: PRESHO CORE
Drill Date: 04/15/2015 Geologist: A. JENSEN
Company: SDGS Geologist's Log: X
Drilling Method: ROTARY Driller: S. JENSEN
Test Hole Number: M51-2015-02 Driller's Log:
Geophysical Log: YES  Total Drill Hole Depth (ft.):  782.0
Notes
LOST 460 FEET OF DRILL STEM DOWN THE HOLE; HOLE COLLAPSED BELOW 103 FEET.
Lithologic Information
Elevation (ft.) Depth (ft.) Description
1820.0 - 1818.0 0.0 - 2.0 GRAVEL, SAND, GRAY, ASPHALT CHUNKS (FILL)
1818.0 - 1806.0 2.0 - 14.0 SHALE, OLIVE-BROWN; VERY STICKY, SOFT AT 9 FEET SOME GRAY BY 8 FEET (PIERRE SHALE)
1806.0 - 1801.0 14.0 - 19.0 SHALE, BROWN-GRAY WITH SOME ORANGE STREAKS; CURLS, SOME BENTONITE (PIERRE SHALE)
1801.0 - 1780.0 19.0 - 40.0 SHALE, BROWN-GRAY TURNING TO DARK-GRAY; HARD, SOME BENTONITE, SLIGHTLY CALCAREOUS STARTING AT 36 FEET (PIERRE SHALE)
1780.0 - 1735.0 40.0 - 85.0 SHALE, DARK-GRAY; GREASY, HARD, SLIGHTLY CALCAREOUS; RIG MADE GRINDING NOISE FROM 61 TO 62 FEET, AT 75 FEET SOME SHELL FRAGMENTS AND DARK-BROWN COLORING (PIERRE SHALE)
1735.0 - 1677.0 85.0 - 143.0 SHALE, VERY DARK-GRAY WITH SOME TAN CLAY AND ORANGE FLAKES; SOME LIGHT-GRAY BENTONITE (PIERRE SHALE)
1677.0 - 1660.0 143.0 - 160.0 SHALE, DARK-GRAY WITH LIGHT-GRAY; SOME SHELL FRAGMENTS AT 143 AND 150 FEET; VERY FINE CUTTINGS (PIERRE SHALE)
1660.0 - 1620.0 160.0 - 200.0 SHALE, LIGHT-GRAY AND OLIVE-GRAY, FLAKEY; ABUNDANT VERY SOFT BENTONITE; AT 180 FEET SOME SOFT ORANGE FLAKES AND SOME VERY SOFT TAN CLAY; RIG CHATTER FROM 197 TO 200 FEET, ABUNDANT SHELL FRAGMENTS FROM 197 TO 200 FEET (PIERRE SHALE)
1620.0 - 1540.0 200.0 - 280.0 SHALE, DARK-GRAY, MEDIUM-GRAY, AND OLVIE-GRAY; WITH GRAY-GREEN BENTONITE, SMALL AMOUNT OF DARK-BROWN SHALE NOTED AT 205 FEET; ABUNDANT SHELL FRAGMENTS, RIG CHATTER (PIERRE SHALE)
1540.0 - 1480.0 280.0 - 340.0 SHALE, DARK-GRAY, FLAKEY; WITH LIGHT-TAN AND LIGHT-GRAY BENTONITE MIXED THROUGHOUT, OCCASIONAL DARK-BROWN SHALE (PIERRE SHALE)
1480.0 - 1465.0 340.0 - 355.0 SHALE, OLIVE-GRAY; SOFT; WHITISH-GRAY BENTONITE OBSERVED (PIERRE SHALE)
1465.0 - 1450.0 355.0 - 370.0 SHALE, DARK-GRAY; SOFT WITH HARD FLAKES; WITH WHITISH-GRAY BENTONITE, SOME SHELL FRAGMENTS (PIERRE SHALE)
1450.0 - 1390.0 370.0 - 430.0 SHALE, GREENISH-DARK-GRAY, FLAKEY; WITH SHELL FRAGMENTS, LIGHT-GRAY BENTONITE, A SMALL AMOUNT OF HARD, BROWN PIECES OF CONCRETION(?) NOTED AT 390 FEET, RIG CHATTER AT 392 FEET (PIERRE SHALE)
1390.0 - 1385.0 430.0 - 435.0 SHALE, DARK-GRAY WITH LIGHT-GRAY; SOME GREEN BENTONITE, SHELL FRAGMENTS, AND PIECES OF DARK-BROWN CONCRETION(?) (PIERRE SHALE)
1385.0 - 1380.0 435.0 - 440.0 SHALE, LIGHT-GRAY TO MEDIUM-GRAY; VERY SOFT; WITH A SMALL AMOUNT OF TAN-ORANGE BENTONITE (PIERRE SHALE)
1380.0 - 1376.0 440.0 - 444.0 SHALE, LIGHT-GRAY WITH SOME DARK-GRAY (PIERRE SHALE)
1376.0 - 1340.0 444.0 - 480.0 SHALE, DARK-GRAY WITH SOME VERY DARK-GRAY AND BROWN, WAXY STARTING AT 475 FEET; SOME GREEN BENTONITE (PIERRE SHALE)
1340.0 - 1295.0 480.0 - 525.0 SHALE, DARK-GRAY; WITH LIGHT-GRAY AND BLACK HARD FLAKES, AND TAN-ORANGE CLAY; WHITISH-GRAY BENTONITE MIXED THROUGHOUT; SOME RIG CHATTER AT 525 FEET (PIERRE SHALE)
1295.0 - 1256.0 525.0 - 564.0 SHALE, DARK-GRAY TO BLACK; GREASY, VERY HARD, A SMALL AMOUNT OF WHITISH-GRAY BENTONITE, SOME ORANGE-TAN CLAY WITH SPARKLE, AND SOME BROWN CONCRETION(?) PIECES (PIERRE SHALE)
1256.0 - 1221.0 564.0 - 599.0 SHALE, DARK-GRAY TO BLACK; VERY SOFT, NONCALCAREOUS, GRITTY FEELING, SMALL AMOUNT OF WHITISH-GRAY BENTONITE; AT 599 FEET NOTED A FEW MEDIUM-GRAY SHARDS IN THE CUTTINGS (PIERRE SHALE)
1221.0 - 1205.0 599.0 - 615.0 SHALE, BLACK WITH MEDIUM-GRAY; SOFT, NONCALCAREOUS (PIERRE SHALE)
1205.0 - 1180.0 615.0 - 640.0 SHALE, BLACK; GREASY, BLOCKY WITH SOME LIGHT-GRAY BENTONITE, SOME SHELL FRAGMENTS (PIERRE SHALE)
1180.0 - 1093.0 640.0 - 727.0 CHALK, DARK-GRAY-BROWN WITH SOME LIGHT-GRAY TO BUFF, SLIGHTLY SILTY FEELING; CALCAREOUS, VERY CALCAREOUS BY 670 FEET (NIOBRARA FORMATION)
1093.0 - 1080.0 727.0 - 740.0 SHALE AND CHALK, DARK-GRAY SHALE, DARK-BROWNISH-GRAY CHALK; WITH LIGHT-TAN BENTONITE, CHALK IS CALCAROUS, MORE AND MORE SHALE CUTTINGS WITH DEPTH; MAYBE TRANSITION ZONE BETWEEN NIOBRARA FORMATION AND CARLILE SHALE (NIOBRARA FORMATION) (CARLILE SHALE)
1080.0 - 1038.0 740.0 - 782.0 SHALE, DARK-GRAY; FISSILE, NONCALCAREOUS, SOME LIGHT-GRAY AND GREEN BENTONITE (CARLILE SHALE)
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