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Cutting Description <br />Drill Hole 21011-1 <br />Page 5 of 13 <br /> From To <br />• ' ' <br /> 370 380 Sandstone-muds tone, fine grained, light gray to <br /> yellowish brown, well sorted. (Muds tone could be <br /> washed from top.) <br /> 380' 385' Sandstone-shale, fine grained, light gray to brown- <br /> ish black, heavy minerals; carbonaceous fragments <br /> and lenses in shale. <br /> 385' 390' Sandstone-siltstone, fine grained, light gray to gray, <br /> sugary texture. <br /> 390' 395' Silts tone, grayish black; carbonaceous fragments. <br /> 395' 400' Sandstone, very fine grained, white, well sorted, <br /> sugary texture. <br /> 400' 405' Sandstone-siltstone, fine grained, whitish gray to <br /> grayish brown, well sorted, heavy minerals. <br /> 405 410' Sandstone, very fine grained, white to gray, well <br /> sorted. <br /> 410' 415' siltstone-sandstone, grayish brown to light gray; <br /> carbonaceous fragments in siltstone; carbonaceous <br />• lenses in sandstone. <br /> 415' 420' siltstone-sandstone, grayish brown to gray, good <br /> cementation in sandstone; carbonaceous fragments. <br /> 420' 440' Sandstone-siltstone, fine grained, light gray to <br /> gray; heavy minerals, well sorted, sandstone. <br /> 440' 455' siltstone, gray. <br />455' 460' Sandstone-siltstone, fine grained, white to gray, well <br />sorted, some heavy minerals, mica flakes; siltstone is <br />probably from above. <br />460' 480' Sandstone-siltstone, fine grained, light gray to gray, <br />well sorted, heavy minerals, sugary texture; siltstone <br />fragments probably from above. <br />480' 490' Sandstone-siltstone, very fine grained, light greenish <br />gray to grayish brown, well sorted, good cementation <br />(very hard). <br />490' 495' siltstone-sandstone, brown to greenish gray; carbona- <br />ceous fragments in siltstone; sandstone probably from <br />above. <br />• 495' 500' siltstone, grayish brown, hard; carbonaceous fragments. <br />