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.DRILL HOLE SK-9 continued <br />Page 5 <br />• 559-573 siltstones, fine grained sandstones and shale, 1-6 inch <br />beds, occasional organic partings 560}-561 shale, laminar bedding <br />sandstone in places has clayey matrix, competent rock <br />573-583 characteristics as above except increasing shale content to 40- <br />50/ of rock contorted beddinT; +~-Z inch slump structures <br />583-593 sandstone, shale, and occasional 1-3 inch limestone bed seen, <br />calcite on fracture, sandstone mostly silica cemented, beds 3-8 inches <br />and laminar <br />593-603 principally black shale ~-3/4 inch sandy shale partings seen <br />occasionally, calcareous sandstone beds 1-3 inches <br />603_621 sandstone/shale/siltstone/limestone interfingerings, contorted <br />bedding and laminar bedding 1-6 inches <br />621-633 75/ shale 25~ limestone and sandy limestone, small contorted beddir <br />structures <br />633-f,'F3 ^hal.e :ind siltstone to sandstone (Q-F-A) calcareous in places <br />br?r!~ l:cminar in places and contorted in others (slump structures) beds <br />1.-17. inch ~:, <br />b~~i-652 mo:,tl,v shale, calcareous and sandy in places with siltstone and <br />• sandstone stringer.^, frequent ~ to 3 inches in width <br />652-658 sha.lr., calcareous, (trading to calcareous sandstone with calcite <br />h?alPr3 vertical fractures and pyrite coating (water Course) <br />n~OT~': horizontal slippage surface at 656 feet calcite metamorphosed <br />t:o marbl.r. here- no retrograde effects so probable continuous creep <br />:~urfar.e presently active <br />6513-6~3 sha]e, varying 30-60~, limey siltstone, sandstone, finely <br />interbedded, where medium grained sandstone present, bedding is generally <br />contnrtcrl <br />673-631 fine to medium grained sandstone qtz-feld-am ph with limey <br />siltstnnes, and shale partings, thin organic partings occasional <br />(,f'~_/,f1;- 1 foot of weath~rrr~rl shale parting- clay is grey and moldable <br />682-69~ sandstone, medium grained, q-f-a 3-6 inch calcgreous intervals, <br />laminar bedding, 682 has some contorted bedding and siltstone as does <br />688-689, with i inch shale partings 8/foot. at 6B9 more weathered <br />shale/clay short interval, at 690 45 degree fracture with pyrite, <br />at 697 healed 45 degree fracture, pyrite is disseminated here and <br />has healed this fracture, 693 feet oxidized broken zone with limonite <br />on fracture <br />. 697-703 sandstone persists with siltstone and fine sandstone <br />interfingering, whispy organic partings and thin shale less than i inch <br />partings, rock has vertical fractures, limonite staining and calcite <br />nn fracture <br />