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From To Seam Thickness Lithologic Qualifiers <br />bright <br />bright <br />laminated <br />sandy <br />Lith000gy Type <br />0.00 <br />23.80 <br />sandstone <br />23.80 oxidized <br />brown <br />23.80 <br />23.80 <br />OXID <br />0.00 <br />medium <br />23.80 <br />27.00 <br />dark <br />3.20 carbonaceous <br />coal <br />27.00 <br />31.70 <br />C3 <br />4.70 medium <br />31.70 <br />33.60 <br />grey <br />1.90 <br />light <br />33.60 <br />36.20 <br />C5 <br />2.60 medium <br />sandstone <br />36.20 <br />36.95 <br />mudstone /siltstone <br />0.75 <br />grey <br />36.95 <br />39.00 <br />grey <br />2.05 <br />dark <br />39.00 <br />94.20 <br />55.20 <br />coal <br />94.20 <br />97.00 <br />coal <br />2.80 <br />black <br />97.00 <br />99.00 <br />2.00 <br />99.00 <br />104.00 <br />dark <br />5.00 <br />sandstone <br />104.00 <br />109.00 <br />mudstone /siltstone <br />5.00 <br />grey <br />109.00 <br />121.00 <br />black <br />12.00 silty <br />dark <br />121.00 <br />122.40 <br />light <br />1.40 <br />mudstone <br />122.40 <br />125.20 <br />D1 <br />2.80 <br />• <br />125.20 <br />134.10 <br />D2 <br />8.90 <br />134.10 <br />134.60 <br />D2 <br />0.50 <br />siltstone /mudstone <br />134.60 <br />137.00 <br />sandstone <br />2.40 <br />grey <br />137.00 <br />138.50 <br />1.50 <br />light <br />138.50 <br />160.00 <br />dark <br />21.50 <br />coal <br />160.00 <br />162.30 <br />carbonaceous mudston <br />2.30 <br />162.30 <br />169.40 <br />E2 <br />7.10 <br />169.40 <br />171.30 <br />1.90 <br />171.30 <br />172.60 <br />1.30 <br />172.60 <br />174.50 <br />1.90 <br />174.50 <br />178.85 <br />F1 <br />4.35 <br />178.85 <br />179.50 <br />0.65 <br />179.50 <br />180.50 <br />1.00 <br />180.50 <br />183.50 <br />3.00 <br />183.50 <br />186.40 <br />2.90 interbedded <br />186.40 <br />191.70 <br />5.30 <br />191.70 <br />196.00 <br />4.30 interbedded <br />196.00 <br />223.00 <br />27.00 <br />223.00 <br />237.50 <br />14.50 interbedded <br />237.50 <br />238.50 <br />F3 <br />1.00 <br />238.50 <br />243.50 <br />5.00 <br />• <br />243.50 <br />246.20 <br />2.70 <br />bright <br />bright <br />laminated <br />sandy <br />Lith000gy Type <br />Shade <br />Color <br />sandstone <br />light <br />brown <br />mudstone <br />dark <br />grey <br />coal <br />medium <br />black <br />carbonaceous mudston <br />dark <br />grey <br />coal <br />black <br />carbonaceous mudston <br />mudstone <br />dark <br />grey <br />sandstone <br />light <br />black <br />mudstone <br />dark <br />grey <br />sandstone <br />light <br />grey <br />mudstone /siltstone <br />dark <br />grey <br />sandstone <br />light <br />grey <br />mudstone /siltstone <br />dark <br />grey <br />mudstone <br />coal <br />black <br />coal <br />black <br />rashy coal <br />mudstone /siltstone <br />mudstone <br />dark <br />grey <br />sandstone <br />light <br />grey <br />mudstone /siltstone <br />dark <br />grey <br />coal <br />black <br />mudstone /siltstone <br />dark <br />grey <br />sandstone /siltstone <br />light <br />grey <br />mudstone <br />dark <br />grey <br />coal <br />black <br />carbonaceous mudston <br />sandstone <br />mudstone /siltstone <br />dark <br />grey <br />siltstone /mudstone <br />sandstone <br />light <br />grey <br />sandstone /mudstone <br />sandstone <br />light <br />grey <br />siltstone /sandstone <br />dark <br />grey <br />coal <br />black <br />carbonaceous mudston <br />sandstone <br />grey <br />Rio Tinto Energy America - Colowyo Mine Page 512 of 1194 <br />