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Drill Hole <br />Drill Hole Lithology Summary <br />Easting Northing Collar Total Depth Township Range Section File <br />C -04 -34 <br />1,333,6 <br />347,362.13 7,2 97.79 <br />74 5.00 <br />T03N R94 <br />1 <br />5B <br />Adjusted Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />584.90 <br />588.39 <br />3.49 <br />carbonaceous mudston <br />dark <br />grey /bro <br />588.39 <br />588.89 <br />0.50 <br />boney <br />carbonaceous mudston <br />black <br />588.89 <br />589.29 <br />0.40 <br />carbonaceous mudston <br />dark <br />grey /bro <br />589.29 <br />594.98 <br />5.69 hard <br />siderite nodules <br />siltstone <br />dark <br />grey <br />594.98 <br />603.87 <br />8.89 hard <br />siderite nodules <br />siltstone <br />dark <br />grey <br />603.87 <br />604.87 <br />SJ2U <br />1.00 well cemeneted <br />sandstone <br />medium <br />grey <br />604.87 <br />615.05 <br />SJ2U <br />10.18 well cemeneted <br />ripple- bedded <br />sandstone <br />medium <br />grey <br />615.05 <br />618.35 <br />SJ2U <br />3.29 well cemeneted <br />sandstone <br />medium <br />grey <br />618.35 <br />621.44 <br />3.10 slickensided <br />mudstone <br />dark <br />grey <br />621.44 <br />624.94 <br />3.49 burrowed <br />siltstone <br />dark <br />grey <br />624.94 <br />634.82 <br />SJ2L <br />9.88 well cemeneted <br />ripple- bedded <br />sandstone <br />medium <br />grey <br />634.82 <br />642.41 <br />SJ2L <br />7.59 well cemeneted <br />massive <br />sandstone <br />medium <br />grey <br />642.41 <br />645.01 <br />SJ2L <br />2.60 massive <br />brittle <br />siltstone <br />dark <br />grey <br />645.01 <br />648.00 <br />SJ2L <br />3.00 well cemeneted <br />sandstone <br />medium <br />grey <br />648.00 <br />648.50 <br />0.50 <br />carbonaceous mudston <br />dark <br />grey /bro <br />648.50 <br />654.70 <br />J2 <br />6.20 bright <br />blocky <br />coal <br />black <br />654.70 <br />655.40 <br />J2 <br />0.70 bright <br />blocky <br />rashy coal <br />black <br />655.40 <br />660.58 <br />5.18 <br />carbonaceous mudston <br />dark <br />grey /bro <br />660.58 <br />664.52 <br />3.94 massive <br />brittle <br />siltstone <br />black <br />664.52 <br />665.60 <br />1.08 <br />carbonaceous mudston <br />dark <br />grey /bro <br />665.60 <br />670.00 <br />J4 <br />4.40 argillaceous <br />blocky <br />coal <br />black <br />670.00 <br />670.60 <br />J4 <br />0.60 <br />rashy coal <br />670.60 <br />674.00 <br />3.40 dull <br />silty <br />siltstone /mudstone <br />dark <br />grey <br />674.00 <br />675.00 <br />J6 <br />1.00 <br />coal <br />black <br />675.00 <br />676.50 <br />J6 <br />1.50 bright <br />coal <br />black <br />676.50 <br />677.00 <br />J6 <br />0.50 <br />boney coal <br />677.00 <br />678.20 <br />1.20 shaley <br />coal /mudstone <br />black <br />678.20 <br />681.00 <br />2.80 <br />carbonaceous mudston <br />dark <br />grey /bro <br />681.00 <br />682.50 <br />J8 <br />1.50 <br />coal <br />black <br />682.50 <br />683.00 <br />J8 <br />0.50 shaley <br />coal <br />black <br />683.00 <br />683.50 <br />0.50 <br />carbonaceous mudston <br />dark <br />grey /bro <br />683.50 <br />684.67 <br />1.17 ripple- bedded <br />siltstone <br />dark <br />grey <br />684.67 <br />692.00 <br />7.33 brittle <br />muddy <br />siltstone <br />dark <br />grey <br />692.00 <br />694.80 <br />K3 <br />2.80 bright <br />blocky <br />coal <br />black <br />694.80 <br />695.80 <br />K3 <br />1.00 bright <br />blocky <br />coal <br />black <br />695.80 <br />696.30 <br />K3 <br />0.50 <br />rashy coal <br />696.30 <br />699.14 <br />2.84 argillaceous <br />siltstone <br />light <br />grey <br />699.14 <br />701.00 <br />1.86 <br />carbonaceous mudston <br />dark <br />grey /bro <br />Rio Tinto Energy America - <br />Colowyo Mine <br />Page 388 of 1194 <br />