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Cutting Description
<br />Drill Hole 21011-1
<br />Page 7 of 13
<br />From To
<br />• b25' 635' Siltstone, grayish brown, very hard.
<br />635' 640' Siltstone-sandstone, very fine grained, gray to light
<br />gray; sandstone with good cementation ( very hard).
<br />640' 650' Shale-sandstone, grayish black to light gray; carbona-
<br />ceous fragments and heavy minerals in sandstone.
<br />650' 655' Sandstone-siltstone, fine grained, light gray to gray,
<br />well sorted, heavy minerals, sugary texture.
<br />655' 660' Sandstone, fine grained, light gray, well sorted,
<br /> heavy minerals; siltstone fragments. gray (probably
<br /> from above).
<br />660' 665' Shale-siltstone, grayish brown to gray -- bad sample.
<br />665' 670' Shale, yellow to brown -- bad sample.
<br />670' 675' Sandstone-shale, fine grained, light gray to grayish
<br /> black, heavy minerals, well sorted.
<br />675' 680' Sandstone-siltstone, fine grained, light gray to gray,
<br /> heavy minerals, well sorted, good cementation (hard).
<br />•
<br />' '
<br />680 685 Shale, grayish brown; few carbonaceous fragments.
<br />685' 690' Shale-siltstone, brown to grayish black; carbonaceous
<br /> fragments.
<br />690' 695' Shale, brownish black; carbonaceous fragments, abundant;
<br /> few sandstone fragments, fine grained, light gray,
<br /> good cementation.
<br />695' 700' Shale-sandstone, grayish brown to light gray; carbona-
<br /> ceous fragments in shale; sandstone well cemented.
<br />700' 705' Sandstone-siltstone, very fine grained, light brown to
<br /> gray, good cementation (hard); carbonaceous fragments.
<br />705' 710' Sandstone-siltstone, very fine grained, light brown to
<br /> gray, good cementation; carbonaceous fragments and
<br /> lenses.
<br />710' 715' Siltstone-shale, gray to grayish black; carbonaceous
<br /> fragments in shale.
<br />715' 720' Sandstone-siltstone, fine grained, light gray to gray,
<br />well sorted, heavy minerals, good cementation.
<br />• 720' 725' Shale, brown to black; carbonaceous fragments; few
<br />sandstone fragments, light gray (probably from above).
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