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• Geologic Description for Drill Hale 875E
<br />Nucla Mine, Montrose County, Colorado
<br />Hole Number: 875E Associated Wells: G'W-~~25(l•LM0025)
<br />Date Drilled: 4/21/86 Location: T47N,R16W, SE;,NE;
<br />Grilled 6y: Alan Chiles Section 36
<br />Logged By: Gary Wendt Coordinates: 604,152' N
<br />1,117,020' E
<br />Elevation: 5731'
<br />Depth Increment Description of Strata
<br />(feet)
<br />0.0- 0.4 SOIL, sandy loam, reddish brown, friabla, SE/ME
<br />0.4- 2.U SANDSTONE; yellowish brown, hard, VE
<br />2.0- 4.0 SANDSTONE, brown, Bard and slightly hard, gray
<br />SHALE, SE/ME
<br />4.0- 5.0 SHALE, dark gray, slightly hard, NE
<br />5.0- 5.6 SHALE, very dark gray to black, slightly Kara,
<br />carbonaceous, NE
<br />5.6- 7.5 COAL, Upper Dakota seam, soft, weathered and
<br />oxidized, NE
<br />7.5- 8.0 SHALE, very dark gray, slightly hard, carbonaceous,
<br />NE
<br />8.0-11.0 SANDSTONE, light brownish gray, slightly hard to
<br />hard, NE
<br />11.0-16.2 SANDSTONE, light brown, hard, NE
<br />16.2-18.4 SHALE, gray to dark gray, slightly hard, NE, powdery
<br />yellow sulfur stains (~arosite) in fractures, 50
<br />percent hard light gray sandstone at 18.1-18.4
<br />18.4-25.7 COAL, Lower Dakota seam, gray shale streaks at
<br />18.84-18.86, 19.99-20.01 and 19.86-19.94, few (5%)
<br />dark grayish brown carbonaceous shale lamella at
<br />25.6-25.7, NE
<br />25.7-25.9 SHALE, gray, soft to slightly hard, NE
<br />25.9-28.1 SANDSTONE, light gray, hard, NE
<br />•
<br />6-1-54
<br />Revised 11/01/86
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