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Cutting Description
<br />Drill Hole 21012-12
<br />Page 7 of 8
<br />From To
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<br />540 545 Coal; siltstone, dark gray; sandstone fragments (.a few1,
<br /> medium fine grained, light gray, ~- $tN.r~ 53y•3 1GSy~.y
<br />545' 550' Silts tone, gray; sandstone, fine grained, light gray;
<br /> coal fragments.
<br />550' 555' Sandstone, fine grained, light gray; siltstone, gray.
<br />555' 560' Sandstone, fine grained, light gray; siltstone (58).,
<br /> 4raY•
<br />560' 570' Sandstone, fine grained, light gray; siltstone CS$1,
<br /> gray grading to dark gray.
<br />570' 575' Coal, some shaley; siltstone, gray; siltstone, dark
<br /> gray; sandstone, fine grained, light gray; siltstone,
<br /> greenish gray; sandstone fragments, fine grained,
<br /> gray, well cemented (hard) . ~-Sedw. y(~(Q~2~-' S~3~L
<br />575' 580' Shale, black, hard; shale, carbonaceous, black, coaly;
<br /> siltstone, gray; sandstone, fine grained, light gray;
<br /> coal fragments.
<br />580' 585' siltstone, dark gray; siltstone, gray.
<br />• 585' 590' siltstone, gray.
<br />590' 595' siltstone, gray; sandstone, fine grained, light gray,
<br />with some thin layers of sandstone-siltstone, inter-
<br />bedded; siltstone, dark gray.
<br />595' 600' Silts tone, gray; sandstone, fine grained, light gray;
<br />sandstone fragments, very fine grained, gray, well
<br />cemented (hard).
<br />600' 605' Silts tone, dark gray; siltstone, gray; sandstone,
<br /> fine grained, light gray; coal fragments.
<br />605' 610' Sandstone, fine grained, light gray; thin siltstone
<br /> layers, gray, interbedded.
<br /> ******* ILES FORMATION**********
<br />610' 620' Silts tone, ar gray grading to gray; sandstone (581,
<br /> fine grained, light gray.
<br />620' 625' siltstone, dark gray and gray, interbedded; muds tone
<br /> fragments, orange brown, hard.
<br />625' 630' siltstone, dark gray and gray, interbedded.
<br />• 630' 635' Silts tone, gray grading to dark gray.
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