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Rio Tinto Energy America - Colowyo Mine Page 514 of 1194 <br />448.85 <br />449.35 <br />GA <br />0.50 <br />rashy coal <br />449.35 <br />451.00 <br />1.65 <br />carbonaceous mudston <br />451.00 <br />452.45 <br />1.45 <br />mudstone <br />dark <br />grey <br />452.45 <br />453.35 <br />0.90 <br />siltstone /mudstone <br />453.35 <br />454.05 <br />0.70 <br />carbonaceous mudston <br />454.05 <br />462.90 <br />GB <br />8.85 <br />coal <br />black <br />462.90 <br />463.25 <br />0.35 <br />carbonaceous mudston <br />463.25 <br />468.35 <br />5.10 <br />mudstone <br />dark <br />grey <br />468.35 <br />472.35 <br />4.00 <br />mudstone /siltstone <br />dark <br />grey <br />472.35 <br />472.70 <br />0.35 <br />siderite <br />472.70 <br />476.45 <br />3.75 <br />mudstone <br />dark <br />grey <br />476.45 <br />477.45 <br />1.00 <br />carbonaceous mudston <br />477.45 <br />478.20 <br />0.75 <br />coal <br />478.20 <br />478.95 <br />0.75 <br />carbonaceous mudston <br />478.95 <br />484.05 <br />GC <br />5.10 <br />coal <br />black <br />484.05 <br />484.60 <br />0.55 <br />carbonaceous mudston <br />• <br />484.60 <br />487.15 <br />2.55 <br />silty laminated <br />sandstone <br />medium <br />grey <br />487.15 <br />489.30 <br />HO <br />2.15 <br />coal <br />black <br />489.30 <br />490.40 <br />1.10 <br />carbonaceous mudston <br />490.40 <br />493.10 <br />2.70 <br />mudstone <br />dark <br />grey <br />493.10 <br />501.50 <br />8.40 <br />sandstone <br />medium <br />grey <br />501.50 <br />512.80 <br />11.30 <br />mudstone /siltstone <br />dark <br />grey <br />512.80 <br />548.50 <br />35.70 <br />interbedded <br />sandstone /mudstone <br />medium <br />grey <br />548.50 <br />559.50 <br />11.00 <br />silty interbedded <br />siltstone /mudstone <br />dark <br />grey <br />559.50 <br />576.80 <br />17.30 <br />interbedded <br />sandstone /mudstone <br />576.80 <br />577.70 <br />H6 <br />0.90 <br />coal <br />black <br />577.70 <br />585.00 <br />7.30 <br />mudstone /siltstone <br />dark <br />grey <br />585.00 <br />594.75 <br />9.75 <br />mudstone <br />dark <br />grey <br />594.75 <br />595.20 <br />H8 <br />0.45 <br />boney coal <br />595.20 <br />601.80 <br />H8 <br />6.60 <br />coal <br />black <br />601.80 <br />602.30 <br />H8 <br />0.50 <br />rashy coal <br />602.30 <br />602.95 <br />0.65 <br />carbonaceous mudston <br />602.95 <br />603.95 <br />1.00 <br />mudstone <br />603.95 <br />606.00 <br />2.05 <br />mudstone /siltstone <br />606.00 <br />607.40 <br />1.40 <br />mudstone <br />607.40 <br />608.80 <br />ZZ <br />1.40 <br />coal <br />black <br />608.80 <br />610.20 <br />1.40 <br />carbonaceous mudston <br />• <br />610.20 <br />615.90 <br />13 <br />5.70 <br />coal <br />black <br />Rio Tinto Energy America - Colowyo Mine Page 514 of 1194 <br />