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266.57 <br />267.09 <br />0.52 <br />siderite <br />light <br />grey /bro <br />267.09 <br />269.51 <br />2.42 fissle <br />mudstone <br />light <br />grey /bro <br />269.51 <br />270.24 <br />0.72 <br />siderite <br />light <br />grey /bro <br />270.24 <br />270.70 <br />0.46 <br />mudstone <br />grey <br />270.70 <br />271.75 <br />ZZ <br />1.05 <br />coal <br />black <br />271.75 <br />272.62 <br />0.87 silty <br />mudstone <br />grey <br />272.62 <br />273.85 <br />1.23 silty <br />sandstone <br />light <br />grey <br />273.85 <br />274.10 <br />0.26 <br />siderite <br />light <br />grey /bro <br />274.10 <br />276.66 <br />2.55 silty <br />mudstone <br />grey <br />276.66 <br />277.19 <br />0.53 <br />siltstone /sandstone <br />light <br />grey <br />277.19 <br />279.61 <br />2.42 <br />mudstone <br />grey <br />279.61 <br />280.78 <br />1.16 silty <br />mudstone <br />light <br />grey <br />280.78 <br />281.28 <br />0.51 <br />mudstone <br />light <br />brown <br />281.28 <br />282.43 <br />1.14 silty <br />mudstone <br />grey <br />282.43 <br />283.54 <br />1.12 silty <br />mudstone <br />grey <br />283.54 <br />284.07 <br />0.53 silty <br />sandstone <br />light <br />grey <br />284.07 <br />285.14 <br />1.07 silty <br />mudstone <br />grey <br />285.14 <br />286.43 <br />1.29 <br />mudstone <br />light <br />grey <br />286.43 <br />286.67 <br />0.24 <br />mudstone <br />grey <br />286.67 <br />289.24 <br />2.57 muddy carbonaceous <br />sandstone <br />light <br />grey <br />289.24 <br />292.00 <br />2.76 <br />core loss <br />292.00 <br />295.15 <br />3.15 <br />sandstone <br />light <br />grey /bro <br />295.15 <br />298.20 <br />B1 <br />3.05 bright <br />coal <br />black <br />298.20 <br />299.90 <br />B2 <br />1.70 bright <br />coal <br />black <br />299.90 <br />300.25 <br />0.35 <br />carbonaceous shale <br />dark <br />grey <br />300.25 <br />302.48 <br />2.24 <br />mudstone clay rich <br />grey <br />302.48 <br />303.08 <br />B3 <br />0.60 bright <br />coal <br />black <br />303.08 <br />303.33 <br />0.25 <br />carbonaceous mudston <br />black <br />303.33 <br />304.77 <br />1.44 <br />mudstone /siltstone <br />light <br />grey <br />304.77 <br />305.72 <br />0.94 <br />mudstone clay rich <br />grey <br />305.72 <br />306.91 <br />1.19 silty <br />mudstone <br />grey <br />306.91 <br />308.40 <br />1.49 interbedded interlaminated <br />siltstone /sandstone <br />light <br />grey <br />308.40 <br />310.74 <br />2.34 silty <br />mudstone clay rich <br />grey <br />310.74 <br />312.18 <br />1.44 <br />siderite <br />light <br />grey /bro <br />312.18 <br />312.62 <br />0.45 clayey <br />siltstone <br />medium <br />grey <br />312.62 <br />315.95 <br />3.33 silty <br />mudstone clay rich <br />dark <br />grey <br />315.95 <br />317.05 <br />1.09 <br />siderite <br />light <br />brown <br />• <br />317.05 <br />321.17 <br />4.13 <br />mudstone clay rich <br />grey <br />Rio Tinto Energy America - Coiowyo Mine <br />Page <br />369 of 1194 <br />