Laserfiche WebLink
Drill Hole Lithology Summary <br />Drill Hole Easting Northin Col Total Depth Township Range Section File <br />06- Aug -06 Rio Tinto Energy America - Colowyo Mine Page 3 of 5 <br />CHM -05 -11 <br />1,334,187.73 <br />358,970.09 6,908.87 1,183.00 <br />T03N R93W <br />25 <br />5C <br />. <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />595.60 <br />600.60 <br />G8 <br />5.00 moderately brig <br />coal <br />600.60 <br />600.63 <br />G8 <br />0.03 <br />tuff/tonstien <br />very light <br />grey <br />600.63 <br />600.80 <br />G8 <br />0.17 moderately brig <br />coal <br />600.80 <br />602.90 <br />G9 <br />2.10 moderately brig <br />coal <br />602.90 <br />604.30 <br />1.40 fissile <br />carbonaceous mudston <br />very dark <br />brown <br />604.30 <br />605.10 <br />0.80 dull <br />carbonaceous shale <br />black <br />605.10 <br />613.30 <br />GA <br />8.20 moderately brig <br />coal <br />613.30 <br />614.00 <br />GA <br />0.70 <br />coal <br />614.00 <br />619.00 <br />GB <br />5.00 moderately brig <br />coal <br />619.00 <br />619.50 <br />GB <br />0.50 dull <br />boney coal <br />black <br />619.50 <br />620.53 <br />GB <br />1.03 moderately brig <br />coal <br />620.53 <br />620.57 <br />GB <br />0.04 parting <br />siltstone <br />very light <br />grey <br />620.57 <br />622.60 <br />GB <br />2.03 moderately brig <br />coal <br />622.60 <br />623.10 <br />0.50 dull, clayey fissile <br />carbonaceous mudston <br />black <br />623.10 <br />627.00 <br />3.90 <br />mudstone <br />very dark <br />brown <br />627.00 <br />639.00 <br />12.00 <br />siltstone <br />medium <br />grey <br />639.00 <br />646.00 <br />7.00 <br />sandstone <br />medium <br />grey <br />646.00 <br />677.30 <br />31.30 interbedded <br />sandstone /siltstone <br />medium <br />grey <br />677.30 <br />681.50 <br />GC <br />4.20 moderately brig <br />coal <br />681.50 <br />681.90 <br />0.40 <br />carbonaceous mudston <br />very dark <br />brown <br />681.90 <br />683.60 <br />HO <br />1.70 moderately brig <br />coal <br />683.60 <br />695.80 <br />12.20 interbedded <br />mudstone /carb mudston <br />black to <br />dark bro <br />695.80 <br />699.30 <br />H2 <br />3.50 moderately brig <br />coal <br />699.30 <br />701.30 <br />2.00 <br />mudstone <br />very dark <br />brown <br />701.30 <br />704.20 <br />H4 <br />2.90 moderately brig <br />coal <br />704.20 <br />721.00 <br />16.80 <br />mudstone/siltstone <br />medium- <br />grey <br />721.00 <br />729.00 <br />8.00 <br />sandstone <br />medium <br />grey <br />729.00 <br />729.90 <br />0.90 <br />carbonaceous mudston <br />very dark <br />brown <br />729.90 <br />735.80 <br />H6 <br />5.90 moderately brig <br />coal <br />735.80 <br />739.00 <br />3.20 <br />mudstone <br />medium- <br />grey <br />739.00 <br />745.00 <br />6.00 <br />mudstone /siltstone <br />med -dk/ <br />grey <br />745.00 <br />758.00 <br />13.00 carby zones <br />sandstone /siltstone <br />medium <br />grey <br />758.00 <br />759.20 <br />1.20 coaly shaley dull <br />shaley coal <br />black <br />759.20 <br />764.20 <br />5.00 <br />mudstone <br />medium- <br />grey <br />764.20 <br />764.60 <br />ZZ <br />0.40 moderately dull <br />coal <br />764.60 <br />767.00 <br />2.40 <br />mudstone <br />medium- <br />grey <br />767.00 <br />771.90 <br />H8 <br />4.90 moderately brig <br />coal <br />771.90 <br />773.30 <br />1.40 <br />carbonaceous mudston <br />very dark <br />brown <br />773.30 <br />781.00 <br />7.70 brittle <br />siltstone /mudstone <br />medium- <br />grey <br />781.00 <br />783.60 <br />2.60 <br />sandstone <br />medium <br />grey <br />783.60 <br />784.10 <br />ZZ <br />0.50 moderately dull <br />coal <br />784.10 <br />788.00 <br />3.90 <br />mudstone <br />medium- <br />grey <br />788.00 <br />792.00 <br />4.00 <br />sandstone <br />medium <br />grey <br />792.00 <br />803.00 <br />11.00 <br />siltstone /sandstone <br />medium <br />grey <br />803.00 <br />805.00 <br />2.00 <br />mudstone <br />medium- <br />grey <br />805.00 <br />807.90 <br />2.90 <br />siltstone /sandstone <br />medium <br />grey <br />807.90 <br />808.80 <br />ZZ <br />0.90 moderately brig <br />coal <br />808.80 <br />810.00 <br />1.20 <br />mudstone <br />medium- <br />grey <br />810.00 <br />815.00 <br />5.00 <br />siltstone /sandstone <br />medium <br />grey <br />815.00 <br />819.00 <br />4.00 <br />mudstone <br />medium- <br />grey <br />819.00 <br />829.00 <br />10.00 <br />siltstone /sandstone <br />medium <br />grey <br />• <br />829.00 <br />842.70 <br />13.70 <br />sandstone <br />medium <br />grey <br />842.70 <br />848.60 <br />13 <br />5.90 moderately brig <br />coal <br />06- Aug -06 Rio Tinto Energy America - Colowyo Mine Page 3 of 5 <br />