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`�• <br />Drill Hole <br />......... ......... <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 />74 5.00 <br />T 03N R94W <br />I <br />5B <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />304.30 <br />305.60 <br />1.30 interbedded <br />ripple- bedded <br />siltstone /sandstone <br />medium <br />grey <br />305.60 <br />307.50 <br />ZZ <br />1.90 pyritic <br />dull <br />coal <br />black <br />307.50 <br />311.17 <br />3.67 fissile <br />mudstone /siltstone <br />black <br />311.17 <br />314.24 <br />3.07 fissile <br />siltstone /sandstone <br />medium <br />grey <br />314.24 <br />324.16 <br />9.92 interbedded <br />interlaminated <br />siltstone /sandstone <br />medium <br />grey <br />324.16 <br />331.30 <br />7.14 interbedded <br />interlaminated <br />siltstone /sandstone <br />medium <br />grey <br />331.30 <br />335.25 <br />G9 <br />3.95 bright <br />blocky <br />coal <br />black <br />335.25 <br />335.75 <br />0.50 <br />boney coal <br />335.75 <br />340.51 <br />4.76 interlaminated <br />interbedded <br />sandstone /siltstone <br />medium <br />grey <br />340.51 <br />343.02 <br />SGAU <br />2.51 friable <br />sandstone <br />light <br />grey <br />343.02 <br />353.05 <br />SGAU <br />10.03 poorly cemente <br />friable <br />sandstone <br />light <br />grey <br />353.05 <br />355.85 <br />SGAU <br />2.81 poorly cemente <br />friable <br />sandstone <br />light <br />grey <br />355.85 <br />362.37 <br />6.52 laminated <br />brittle <br />siltstone <br />dark <br />grey <br />362.37 <br />365.88 <br />3.51 sandy <br />siltstone <br />medium <br />grey <br />365.88 <br />375.91 <br />10.03 laminated <br />bioturbated <br />siltstone /sandstone <br />medium <br />grey <br />375.91 <br />382.50 <br />6.59 <br />sandstone /siltstone <br />light <br />grey <br />• <br />382.50 <br />395.96 <br />SGAL <br />13.46 well cemeneted <br />friable <br />sandstone <br />light <br />grey <br />395.96 <br />405.99 <br />SGAL <br />10.03 cross - bedded <br />sandstone <br />light <br />grey <br />405.99 <br />410.20 <br />SGAL <br />4.21 cemented <br />cross - bedded <br />sandstone <br />light <br />grey <br />410.20 <br />414.50 <br />GA <br />4.30 bright <br />blocky <br />coal <br />black <br />414.50 <br />416.00 <br />GA <br />1.50 boney <br />argillaceous <br />bone <br />black <br />416.00 <br />417.00 <br />1.00 <br />carbonaceous mudston <br />dark <br />grey /bro <br />417.00 <br />418.10 <br />1.10 <br />siltstone <br />418.10 <br />418.70 <br />0.60 <br />carbonaceous mudston <br />dark <br />grey /bro <br />418.70 <br />419.40 <br />GB <br />0.70 bright <br />blocky <br />coal <br />black <br />419.40 <br />420.50 <br />1.10 <br />carbonaceous mudston <br />dark <br />grey /bro <br />420.50 <br />421.40 <br />GCR <br />0.90 bright <br />blocky <br />coal <br />black <br />421.40 <br />423.40 <br />2.00 <br />carbonaceous mudston <br />dark <br />grey /bro <br />423.40 <br />425.70 <br />GC <br />2.30 bright <br />clo <br />coal <br />black <br />425.70 <br />426.00 <br />0.30 <br />carbonaceous mudston <br />dark <br />grey /bro <br />426.00 <br />430.10 <br />4.10 <br />carbonaceous mudston <br />dark <br />grey /bro <br />430.10 <br />435.90 <br />5.80 laminated <br />siltstone <br />medium <br />grey <br />435.90 <br />437.40 <br />1.50 brittle <br />siltstone <br />437.40 <br />438.20 <br />HO <br />0.80 bright <br />blocky <br />coal <br />black <br />438.20 <br />439.40 <br />1.20 <br />carbonaceous mudston <br />dark <br />grey /bro <br />439.40 <br />446.20 <br />6.80 <br />siltstone <br />dark <br />grey <br />446.20 <br />453.40 <br />7.20 laminated <br />argillaceous <br />siltstone <br />dark <br />grey <br />• <br />453.40 <br />455.30 <br />1.90 <br />mudstone <br />dark <br />grey <br />Rio Tinto Energy America - <br />Colowyo Mine <br />Page 386 of 1194 <br />