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Drill Hole Lithology Summary <br />• Drill Hole Easting Northing Collar Total Dept Township Range Section File <br />C-06-19 <br />1 330 390 09 <br />346,479.91 7,78614 <br />1,060.00 <br />T03N R94W <br />2 <br />5C <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />0.00 <br />14.20 <br />14.20 <br />soil <br />tan, yello <br />14.20 <br />33.00 <br />18.80 oxidized <br />sandstone /siltstone <br />yellow /br <br />33.00 <br />33.00 <br />OXID <br />0.00 <br />33.00 <br />42.20 <br />9.20 common <br />silty lams <br />mudstone <br />dark -me <br />grey <br />42.20 <br />52.45 <br />X3 <br />10.25 pred mod bright <br />coal <br />52.45 <br />54.70 <br />X4 <br />2.25 moderately brig <br />coal <br />54.70 <br />56.50 <br />1.80 very <br />clayey <br />mudstone <br />dark <br />grey <br />56.50 <br />57.20 <br />0.70 <br />sandstone <br />57.20 <br />58.10 <br />0.90 clayey <br />siderite nodules <br />mudstone <br />dark <br />58.10 <br />58.70 <br />0.60 sooty <br />clayey in parts <br />carbonaceous mudston <br />black, bl <br />58.70 <br />59.10 <br />ZZ <br />0.40 dull <br />abun pyrite <br />coal <br />59.10 <br />64.80 <br />5.70 <br />mudstone /siltstone <br />dark <br />grey <br />64.80 <br />65.30 <br />0.50 very <br />hard <br />siderite <br />light <br />brown <br />65.30 <br />68.20 <br />2.90 <br />mudstone /siltstone <br />dark <br />grey <br />68.20 <br />70.00 <br />1.80 silty <br />very hard <br />siltstone <br />light <br />grey <br />70.00 <br />73.80 <br />3.80 <br />mudstone /siltstone <br />dark <br />grey <br />• <br />73.80 <br />78.00 <br />4.20 slightly <br />silty <br />mudstone <br />dark <br />grey <br />78.00 <br />81.10 <br />3.10 <br />mudstone /siltstone <br />dark <br />grey <br />81.10 <br />84.00 <br />2.90 <br />sandstone <br />light -med <br />grey <br />84.00 <br />86.00 <br />2.00 <br />mudstone <br />dark <br />grey <br />86.00 <br />91.60 <br />5.60 well sorted <br />sandstone <br />light <br />grey <br />91.60 <br />92.10 <br />Al <br />0.50 moderately brig <br />coal <br />92.10 <br />95.20 <br />3.10 silty in parts <br />mudstone /siltstone <br />dark <br />grey <br />95.20 <br />96.20 <br />1.00 very <br />hard <br />siderite <br />light <br />brown <br />96.20 <br />97.00 <br />0.80 clayey <br />carbonaceous mudston <br />black/bro <br />97.00 <br />97.50 <br />A2 <br />0.50 moderately brig <br />coal <br />97.50 <br />100.30 <br />2.80 <br />mudstone <br />dark <br />grey <br />100.30 <br />103.20 <br />2.90 interlaminated <br />siltstone /mudstone <br />dark -light <br />grey <br />103.20 <br />107.70 <br />4.50 <br />sandstone <br />light <br />grey <br />107.70 <br />108.10 <br />B1 <br />0.40 moderately brig <br />coal <br />108.10 <br />113.20 <br />5.10 clayey <br />mudstone <br />dark <br />grey <br />113.20 <br />115.25 <br />B2 <br />2.05 pred dull <br />common pyr <br />coal <br />115.25 <br />116.25 <br />1.00 slightly clayey <br />very carby <br />carbonaceous mudston <br />black, bl <br />116.25 <br />118.35 <br />B3 <br />2.10 pred mod bright <br />occ dull <br />coal <br />118.35 <br />118.80 <br />0.45 bright <br />carbonaceous mudston <br />black/bro <br />118.80 <br />127.10 <br />8.30 slightly <br />silty <br />mudstone <br />dark -me <br />grey <br />127.10 <br />147.90 <br />20.80 well sorted <br />sandstone <br />light <br />grey <br />• <br />147.90 <br />153.10 <br />5.20 <br />mudstone <br />dark <br />grey <br />Rio Tinto Energy America - <br />Colowyo Mine <br />Page <br />733 of 1194 <br />