PERMFILE103097

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH1 TAB 6 APPENDIX 6-1 LITHOLOGIC DESCRIPTIONS OF CORE AND BORE HOLES
• Media Type: D
• Archive: Yes

• Drill Hole #3C - Overburden
Nucla Mine, Montrose County, Colorado
Date Drilled: 2/14/77
~pth Thiclmess
(Feet) Strata (Feet)
0 Start core-grass-rock 0.4
0.4 Dam brown clay 9.6
10.0 Brown clay
10.0 Damp sandstone 0.6
10.6 Brown soft sandy clay 2.7
with sandstone
13.3 Damp brown clay 0.6
13.9 (lost) 0.3
14.2 Silty - clay wet 0.4
14.6 Sraan clay and sandstone 0.6
15.2 Hard sandstone 4.8
20.0 Hrown clay 2.4
22.4 Sandstone 1.4
23.8 Sandstone & shale 1.6
•
25.4 Sandstone 2.0
27.4 Lost 0.7
28.1 Sandstone 1.9
30.0 Sandstone and shale 10.0
40.0 Hard sandstone 10.0
50.0 Gray shale w/streaks 7.6
57.6 Gray sandstone 2.1
59.7 Shale and coal 0.3
60.0 Shale 1.0
61.0 Sandstone 1.0
62.0 Shale 0.3
62.3 Shale and coal 0.2
62.5 Shale 0.3
62.8 Sandstone 2.1
64.9 Hard gray shale 1.4
66.3 Sandstone and shale 0.4
•
6-1-8