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• <br />Drill Hole Lithology Summary <br />Drill Hole <br />Easting <br />Northing Collar Total Depth <br />Township Range Section File <br />C -06 -06 <br />�.�� 1.�v...... <br />1,329,990.21 <br />_ .. _ W, <br />350,807.64 7,267.71 943.00 <br />..� __. . W� ..w ,n., ... ,., <br />T04N R 94W <br />.�.. s . _ _._�._ <br />35 <br />5C <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />0.00 <br />24.00 <br />24.00 <br />sandstone /mudstone <br />24.00 <br />40.80 <br />16.80 interbedded weathered <br />mudstone /sandstone <br />40.80 <br />40.80 <br />OXID <br />0.00 <br />40.80 <br />49.00 <br />8.20 weathered <br />sandstone <br />49.00 <br />51.40 <br />2.40 <br />mudstone <br />medium- <br />grey <br />51.40 <br />53.60 <br />C3 <br />2.20 moderately brig <br />coal <br />black <br />53.60 <br />57.95 <br />C5 <br />4.35 moderately brig <br />coal <br />black <br />57.95 <br />60.00 <br />2.05 <br />mudstone <br />medium- <br />grey <br />60.00 <br />62.00 <br />2.00 interbedded <br />mudstone /siltstone <br />62.00 <br />64.00 <br />2.00 interbedded <br />sandstone /mudstone <br />64.00 <br />67.00 <br />3.00 occ ms <br />sandstone <br />light <br />grey <br />67.00 <br />70.00 <br />3.00 <br />mudstone <br />medium <br />grey <br />70.00 <br />90.00 <br />20.00 <br />sandstone <br />light <br />grey <br />90.00 <br />97.20 <br />7.20 <br />mudstone <br />medium <br />grey <br />97.20 <br />99.00 <br />D1 <br />1.80 <br />coal <br />black <br />99.00 <br />99.05 <br />D1 <br />0.05 <br />tuff /tonstien <br />white <br />• <br />99.05 <br />102.10 <br />D1 <br />3.05 pyrite <br />coal <br />black <br />102.10 <br />106.50 <br />D2 <br />4.40 moderately brig <br />coal <br />black <br />106.50 <br />108.25 <br />1.75 <br />carbonaceous mudston <br />dark <br />brown <br />108.25 <br />137.45 <br />29.20 interbedded <br />sandstone /mudstone <br />137.45 <br />142.00 <br />E2 <br />4.55 <br />coal <br />142.00 <br />142.55 <br />0.55 coaly <br />carbonaceous mudston <br />dark <br />brown <br />142.55 <br />142.75 <br />ZZ <br />0.20 <br />coal <br />black <br />142.75 <br />146.00 <br />3.25 <br />carbonaceous mudston <br />dark <br />brown <br />146.00 <br />148.80 <br />2.80 interbedded <br />sandstone /mudstone <br />148.80 <br />151.55 <br />2.75 <br />siderite <br />151.55 <br />155.50 <br />F1 <br />3.95 moderately brig <br />coal <br />black <br />155.50 <br />155.70 <br />F1 <br />0.20 <br />tuff /tonstien <br />155.70 <br />156.10 <br />F1 <br />0.40 moderately brig <br />coal <br />black <br />156.10 <br />159.00 <br />2.90 <br />carbonaceous mudston <br />dark <br />brown <br />159.00 <br />180.00 <br />21.00 <br />sandstone /mudstone <br />180.00 <br />187.00 <br />7.00 <br />sandstone <br />light <br />grey <br />187.00 <br />207.00 <br />20.00 <br />sandstone /mudstone <br />207.00 <br />226.00 <br />19.00 interbedded <br />sandstone <br />light <br />grey <br />226.00 <br />230.50 <br />4.50 interlaminated <br />mudstone /siltstone <br />230.50 <br />245.00 <br />14.50 <br />sandstone <br />light <br />grey <br />245.00 <br />248.00 <br />3.00 <br />mudstone <br />• <br />248.00 <br />253.05 <br />5.05 <br />sandstone /mudstone <br />Rio Tinto Energy America - Colowyo Mine <br />Page 682 of 1194 <br />