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• Drill Hole Lithology Summary <br />Drill Hole Easting Northing Collar Total Depth Township Range Section File <br />C-04-26 1, 328,423. 80 346, 721 87 7,539. 785. T03N R94W 2 5A <br />Adjusted Depths <br />From To Seam Thickness Lithologic Qualifiers Lithology Type Shade Color <br />• <br />• <br />695.80 <br />698.56 <br />2.76 <br />ripple- bedded <br />laminated <br />sandstone <br />medium <br />grey <br />698.56 <br />702.60 <br />4.04 <br />laminated <br />mudstone /siltstone <br />dark <br />grey <br />702.60 <br />703.10 <br />N5 <br />0.50 <br />bright <br />rashy coal <br />black <br />703.10 <br />706.90 <br />N5 <br />3.80 <br />coal <br />706.90 <br />707.40 <br />N5 <br />0.50 <br />rashy coal <br />707.40 <br />708.92 <br />1.52 <br />carbonaceous mudston <br />708.92 <br />714.44 <br />5.52 <br />ripple- bedded <br />sandstone /siltstone <br />medium <br />grey <br />714.44 <br />715.77 <br />1.33 <br />dull <br />mudstone <br />dark <br />grey <br />715.77 <br />723.00 <br />7.23 <br />dull <br />mudstone <br />dark <br />grey <br />723.00 <br />724.40 <br />01 <br />1.40 <br />bright <br />coal <br />black <br />724.40 <br />725.54 <br />1.14 <br />carbonaceous <br />laminated <br />siltstone /sandstone <br />medium <br />grey <br />725.54 <br />727.47 <br />1.93 <br />carbonaceous <br />laminated <br />siltstone /sandstone <br />medium <br />grey <br />727.47 <br />727.70 <br />0.23 <br />carbonaceous mudston <br />727.70 <br />729.90 <br />03 <br />2.20 <br />bright <br />coal <br />black <br />729.90 <br />730.20 <br />0.30 <br />carbonaceous mudston <br />730.20 <br />734.64 <br />4.44 <br />interlaminated <br />sandstone /siltstone <br />medium <br />grey <br />734.64 <br />736.16 <br />1.51 <br />dull <br />silty <br />mudstone <br />black <br />736.16 <br />739.39 <br />3.23 <br />dull <br />silty <br />mudstone <br />black <br />739.39 <br />740.60 <br />1.21 <br />interlaminated <br />sandstone /siltstone <br />medium <br />grey <br />740.60 <br />743.83 <br />3.23 <br />dull <br />argillaceous <br />siltstone /mudstone <br />black <br />743.83 <br />746.05 <br />2.22 <br />dull <br />argillaceous <br />siltstone /mudstone <br />black <br />746.05 <br />749.28 <br />3.23 <br />interlaminated <br />sandstone /siltstone <br />medium <br />grey <br />749.28 <br />751.30 <br />2.02 <br />dull <br />mudstone <br />black <br />751.30 <br />751.90 <br />TC <br />0.60 <br />argillaceous <br />coal <br />black <br />751.90 <br />751.90 <br />TCT <br />0.00 <br />751.90 <br />755.98 <br />STCM <br />4.08 <br />sandstone <br />light <br />grey <br />755.98 <br />765.68 <br />STCM <br />9.71 <br />sandstone <br />light <br />grey <br />765.68 <br />775.39 <br />STCM <br />9.71 <br />sandstone <br />light <br />grey <br />775.39 <br />785.10 <br />STCM <br />9.71 <br />sandstone <br />light <br />grey <br />Rio Tinto Energy America - Colowyo Mine Page 318 of 1194 <br />