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Drill Hole Lithology Summary <br />Drill Hole <br />Easting <br />Northing Collar <br />Total Depth <br />Township Range Section File <br />C -04 -34 <br />�,,..... ...... <br />1,333,609.17 <br />>..........._ .............. .....ate........... <br />347,36 7,297. <br />745.00 <br />R� <... <br />T03N R94W <br />..., ..« <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 />184.40 <br />184.50 <br />0.10 <br />carbonaceous mudston <br />black <br />184.50 <br />186.00 <br />F7 <br />1.50 dull <br />coal <br />black <br />186.00 <br />186.40 <br />0.40 silty <br />coal /mudstone <br />black <br />186.40 <br />187.30 <br />0.90 boney <br />argillaceous <br />coal <br />black <br />187.30 <br />189.32 <br />2.02 argillaceous <br />mudstone <br />dark <br />grey <br />189.32 <br />194.59 <br />5.26 brittle <br />mudstone /siltstone <br />dark <br />grey <br />194.59 <br />200.15 <br />5.57 laminated <br />argillaceous <br />siltstone /mudstone <br />dark <br />grey <br />200.15 <br />204.91 <br />SF9 <br />4.76 well sorted <br />cemented <br />sandstone <br />medium <br />grey <br />204.91 <br />214.02 <br />SF9 <br />9.11 clean <br />sandstone <br />light <br />grey <br />214.02 <br />215.03 <br />SF9 <br />1.01 clean <br />sandstone <br />light <br />grey <br />215.03 <br />219.88 <br />SF9 <br />4.86 cross - bedded <br />sandstone <br />light <br />grey <br />219.88 <br />221.20 <br />1.32 <br />carbonaceous mudston <br />dark <br />grey /bro <br />221.20 <br />222.60 <br />F9 <br />1.40 bright <br />blocky <br />coal <br />black <br />222.60 <br />224.12 <br />1.52 <br />carbonaceous mudston <br />dark <br />grey /bro <br />224.12 <br />225.54 <br />1.42 <br />carbonaceous mudston <br />dark <br />grey /bro <br />225.54 <br />229.99 <br />4.45 fissile <br />mudstone <br />medium <br />grey <br />• <br />229.99 <br />230.80 <br />0.81 <br />carbonaceous mudston <br />dark <br />grey /bro <br />230.80 <br />233.8o <br />FA <br />3.00 bright <br />dull <br />coal <br />black <br />233.80 <br />235.00 <br />FA <br />1.20 bright <br />dull <br />coal <br />black <br />235.00 <br />238.00 <br />FB <br />3.00 bright <br />coal <br />black <br />238.00 <br />243.80 <br />FB <br />5.80 bright <br />coal <br />black <br />243.80 <br />244.30 <br />FB <br />0.50 bright <br />coal <br />brown <br />244.30 <br />245.99 <br />1.69 <br />carbonaceous mudston <br />dark <br />grey /bro <br />245.99 <br />253.75 <br />7.76 <br />sandstone /siltstone <br />medium <br />grey <br />253.75 <br />261.81 <br />8.06 <br />sandstone /siltstone <br />medium <br />grey <br />261.81 <br />263.90 <br />SG7 <br />2.09 massive <br />sandstone <br />light <br />grey <br />263.90 <br />273.94 <br />SG7 <br />10.05 friable <br />sandstone <br />light <br />grey <br />273.94 <br />282.50 <br />SG7 <br />8.56 massive <br />sandstone <br />light <br />grey <br />282.50 <br />283.90 <br />G7 <br />1.40 bright <br />blocky <br />coal <br />black <br />283.90 <br />287.80 <br />G7 <br />3.90 bright <br />blocky <br />coal <br />black <br />287.80 <br />288.21 <br />0.41 <br />carbonaceous mudston <br />dark <br />grey <br />288.21 <br />294.21 <br />6.01 laminated <br />hard <br />siltstone <br />dark <br />grey <br />294.21 <br />295.03 <br />0.81 laminated <br />hard <br />siltstone <br />dark <br />grey <br />295.03 <br />299.20 <br />4.17 interbedded <br />ripple- bedded <br />siltstone /sandstone <br />light <br />grey <br />299.20 <br />299.70 <br />0.50 dense <br />boney coal <br />dark <br />black <br />299.70 <br />300.30 <br />G8 <br />0.60 <br />bone <br />300.30 <br />302.60 <br />G8 <br />2.30 dull <br />pyritic <br />coal <br />black <br />• <br />302.60 <br />304.30 <br />1.70 <br />carbonaceous mudston <br />dark <br />grey /bro <br />Rio Tinto Energy America <br />- Colowyo Mine <br />Page 385 of 1194 <br />