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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 />1,333,609.17 <br />347,362.13 7,297.79 <br />745.00 <br />T03N R94 <br />1 <br />5B <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />455.30 <br />458.40 <br />3.10 <br />mudstone <br />dark <br />grey <br />458.40 <br />458.80 <br />0.40 shaley <br />bone <br />black <br />458.80 <br />459.70 <br />H2 <br />0.90 dull <br />argillaceous <br />coal <br />black <br />459.70 <br />461.10 <br />1.40 fissile <br />pyritic <br />carbonaceous mudston <br />dark <br />grey <br />461.10 <br />461.70 <br />0.60 shaley <br />bone <br />black <br />461.70 <br />463.80 <br />2.10 fissile <br />slickensided <br />mudstone <br />463.80 <br />464.20 <br />0.40 <br />coal <br />black <br />464.20 <br />465.21 <br />1.01 <br />carbonaceous mudston <br />dark <br />grey /bro <br />465.21 <br />466.93 <br />1.72 <br />carbonaceous mudston <br />dark <br />grey /bro <br />466.93 <br />469.16 <br />2.23 <br />siltstone <br />dark <br />grey <br />469.16 <br />475.33 <br />6.17 ripple- bedded <br />sandstone /siltstone <br />medium <br />grey <br />475.33 <br />485.34 <br />10.02 cemented <br />sandstone /siltstone <br />medium <br />grey <br />485.34 <br />491.52 <br />6.17 cemented <br />sandstone /siltstone <br />medium <br />grey <br />491.52 <br />495.56 <br />SH6 <br />4.05 salt/pepper lam <br />sandstone <br />light <br />grey <br />495.56 <br />505.68 <br />SH6 <br />10.12 salt/pepper lam <br />sandstone <br />light <br />grey <br />505.68 <br />515.80 <br />SH6 <br />10.12 salt/pepper lam <br />sandstone <br />light <br />grey <br />515.80 <br />524.90 <br />SH6 <br />9.11 well sorted <br />cross- bedded <br />sandstone <br />light <br />grey <br />524.90 <br />525.30 <br />H6 <br />0.40 bright <br />coal <br />black <br />525.30 <br />525.90 <br />0.60 <br />carbonaceous mudston <br />dark <br />grey /bro <br />525.90 <br />526.70 <br />0.80 <br />carbonaceous mudston <br />dark <br />grey /bro <br />526.70 <br />536.10 <br />9.40 argillaceous <br />fissile <br />mudstone <br />dark <br />grey <br />536.10 <br />539.70 <br />3.60 <br />siltstone <br />dark <br />grey <br />539.70 <br />541.30 <br />1.60 ripple- bedded <br />laminated <br />sandstone <br />medium <br />grey <br />541.30 <br />544.70 <br />H8 <br />3.40 bright <br />blocky <br />coal <br />black <br />544.70 <br />548.50 <br />13 <br />3.80 bright <br />blocky <br />coal <br />black <br />548.50 <br />549.00 <br />13 <br />0.50 <br />rashy coal <br />549.00 <br />549.69 <br />0.69 <br />carbonaceous mudston <br />dark <br />grey /bro <br />549.69 <br />554.61 <br />4.92 fissile <br />siltstone <br />dark <br />grey <br />554.61 <br />555.40 <br />0.79 fissile <br />siltstone <br />dark <br />grey <br />555.40 <br />563.10 <br />15 <br />7.70 bright <br />blocky <br />coal <br />black <br />563.10 <br />564.68 <br />1.58 <br />carbonaceous mudston <br />dark <br />grey /bro <br />564.68 <br />567.00 <br />2.32 fissile <br />slickensided <br />mudstone <br />dark <br />grey <br />567.00 <br />568.10 <br />ZZ <br />1.10 dull <br />boney <br />coal <br />black <br />568.10 <br />574.85 <br />6.75 laminated - <br />siltstone <br />dark <br />grey <br />574.85 <br />580.39 <br />5.54 carbonaceous <br />siltstone <br />dark <br />grey <br />580.39 <br />581.30 <br />0.91 <br />carbonaceous mudston <br />dark <br />grey /bro <br />581.30 <br />583.10 <br />17 <br />1.80 bright <br />blocky <br />coal <br />black <br />• <br />583.10 <br />584.90 <br />1.80 <br />carbonaceous mudston <br />dark <br />grey /bro <br />Rio Tinto Energy America - <br />Colowyo Mine <br />Page 387 of 1194 <br />