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Drill Hole Lithology Summary <br />• <br />Drill Hole <br />Easting <br />Northing Collar Total Depth <br />Township Range Section File <br />C-06-19 <br />1 330 390.09 <br />346,479.91 7,78614 1,0 60.00 <br />T03N R94W <br />2 <br />SC <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />566.85 <br />582.00 <br />15.15 slightly sandy medium hard <br />mudstone /siltstone <br />medium <br />grey <br />582.00 <br />588.10 <br />6.10 interlaminated <br />sandstone /mudstone <br />dark -me <br />grey <br />588.10 <br />593.20 <br />5.10 <br />sandstone <br />light -med <br />grey <br />593.20 <br />599.80 <br />GC <br />6.60 moderately brig <br />coal <br />599.80 <br />604.30 <br />4.50 <br />mudstone <br />dark <br />grey <br />604.30 <br />605.80 <br />HO <br />1.50 moderately brig <br />coal <br />605.80 <br />615.60 <br />9.80 slightly carbonaceous <br />mudstone <br />dark <br />grey <br />615.60 <br />702.00 <br />86.40 well sorted <br />sandstone <br />light <br />grey <br />702.00 <br />709.00 <br />7.00 <br />mudstone <br />dark <br />grey <br />709.00 <br />711.10 <br />2.10 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />711.10 <br />712.10 <br />H6 <br />1.00 moderately brig to dull <br />coal <br />712.10 <br />715.80 <br />3.70 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />715.80 <br />729.40 <br />13.60 <br />mudstone <br />dark <br />grey <br />729.40 <br />731.20 <br />1.80 clayey <br />carbonaceous mudston <br />black /bro <br />dark gre <br />731.20 <br />738.40 <br />H8 <br />7.20 moderately brig <br />coal <br />738.40 <br />740.90 <br />2.50 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />• <br />740.90 <br />748.70 <br />13 <br />7.80 moderately brig <br />coal <br />748.70 <br />756.10 <br />7.40 clayey slightly carby <br />mudstone <br />dark <br />grey <br />756.10 <br />760.80 <br />15 <br />4.70 moderately brig <br />coal <br />760.80 <br />765.20 <br />4.40 slightly carbonaceous <br />mudstone <br />dark <br />grey <br />765.20 <br />775.00 <br />9.80 <br />sandstone <br />medium -1 <br />grey <br />775.00 <br />777.10 <br />2.10 silty <br />mudstone <br />dark <br />grey <br />777.10 <br />791.20 <br />14.10 <br />sandstone <br />medium -1 <br />grey <br />791.20 <br />796.50 <br />5.30 <br />mudstone <br />dark <br />grey <br />796.50 <br />803.00 <br />17 <br />6.50 moderately brig <br />coal <br />803.00 <br />818.60 <br />15.60 silty <br />mudstone /siltstone <br />dark <br />grey <br />818.60 <br />845.90 <br />27.30 <br />sandstone <br />light -med <br />grey <br />845.90 <br />848.50 <br />J2 <br />2.60 moderately brig to dull <br />coal <br />848.50 <br />851.60 <br />3.10 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />851.60 <br />854.40 <br />J4 <br />2.80 moderately brig occ dull <br />coal <br />854.40 <br />856.30 <br />1.90 clayey <br />carbonaceous mudston <br />black/bro <br />856.30 <br />857.70 <br />J6 <br />1.40 moderately brig <br />coal <br />857.70 <br />861.50 <br />3.80 <br />carbonaceous mudston <br />black /bro <br />dark gre <br />861.50 <br />862.30 <br />0.80 very hard <br />siltstone <br />light <br />grey <br />862.30 <br />865.40 <br />3.10 clayey <br />carbonaceous mudston <br />black/bro <br />865.40 <br />868.00 <br />J8 <br />2.60 moderately brig to dull <br />coal <br />868.00 <br />871.00 <br />3.00 clayey <br />carbonaceous mudston <br />black /bro <br />dark gre <br />• <br />871.00 <br />876.00 <br />5.00 clayey <br />mudstone <br />dark -me <br />grey <br />Rio Tinto Energy America - Colowyo Mine <br />Page <br />736 of 1194 <br />