Laserfiche WebLink
Drill Hole Lithology Summary <br />0 Drill Hol Easting Northing Collar Total Depth Township Range Section File <br />163.30 <br />164.40 <br />1.10 decomp zone <br />mudstone <br />dark <br />grey <br />164.40 <br />166.50 <br />2.10 clayey <br />hard <br />siltstone /mudstone <br />medium- <br />grey <br />166.50 <br />167.30 <br />0.80 silty <br />sandstone <br />light -med <br />grey <br />167.30 <br />168.50 <br />1.20 clayey, silty <br />ss lams <br />mudstone /siltstone <br />dark <br />grey <br />168.50 <br />171.50 <br />3.00 clayey <br />mudstone <br />dark <br />grey <br />171.50 <br />174.50 <br />3.00 <br />siltstone <br />medium- <br />grey <br />174.50 <br />179.00 <br />4.50 <br />mudstone <br />dark <br />grey <br />179.00 <br />184.50 <br />5.50 <br />sandstone <br />light -med <br />grey <br />184.50 <br />185.50 <br />1.00 <br />mudstone <br />dark <br />grey <br />185.50 <br />189.50 <br />4.00 <br />sandstone <br />light -med <br />grey <br />189.50 <br />218.40 <br />28.90 interlaminated <br />w/ ss & st <br />mudstone /sandstone <br />medium- <br />grey <br />218.40 <br />219.80 <br />C3 <br />1.40 <br />coal <br />black <br />219.80 <br />222.50 <br />2.70 <br />mudstone <br />dark <br />grey <br />222.50 <br />226.20 <br />3.70 <br />siltstone <br />medium <br />grey <br />226.20 <br />227.90 <br />C5 <br />1.70 <br />coal <br />black <br />227.90 <br />229.00 <br />1.10 <br />boney coal <br />black <br />229.00 <br />230.90 <br />1.90 <br />carbonaceous mudston <br />very dark <br />grey <br />• <br />230.90 <br />231.80 <br />ZZ <br />0.90 <br />coal <br />black <br />231.80 <br />233.00 <br />1.20 <br />carbonaceous mudston <br />very dark <br />grey <br />233.00 <br />235.00 <br />2.00 <br />mudstone <br />dark <br />grey <br />235.00 <br />235.50 <br />0.50 decr carb <br />fissile <br />mudstone <br />dark <br />grey <br />235.50 <br />236.20 <br />0.70 carby lams <br />sandstone <br />light <br />grey <br />236.20 <br />241.50 <br />5.30 clayey <br />siderite nodules <br />mudstone <br />dark <br />grey <br />241.50 <br />247.40 <br />5.90 iron stained /joint fissile zones <br />sandstone <br />light <br />grey <br />247.40 <br />250.10 <br />2.70 clayey, silty <br />fissile <br />mudstone <br />dark <br />grey <br />250.10 <br />253.90 <br />3.80 coal lams <br />fissile, clayey <br />carbonaceous mudston <br />very dark <br />grey <br />253.90 <br />257.90 <br />4.00 It gr silty, sandy <br />interlaminations <br />mudstone /sandstone <br />dark <br />grey <br />257.90 <br />259.30 <br />1.40 clayey <br />carbonaceous <br />mudstone <br />dark <br />grey <br />259.30 <br />260.20 <br />0.90 <br />boney coal <br />black <br />260.20 <br />263.80 <br />D1 <br />3.60 moderately brig <br />pyritic coating o <br />coal <br />black <br />263.80 <br />270.30 <br />D2 <br />6.50 moderately brig <br />pyritic coating o <br />coal <br />black <br />270.30 <br />270.60 <br />0.30 dull <br />clayey <br />boney coal <br />black <br />270.60 <br />271.40 <br />0.80 coal lams <br />coal strips <br />carbonaceous shale <br />black /bro <br />271.40 <br />273.30 <br />1.90 coal lams <br />fissile zones <br />carbonaceous mudston <br />very dark <br />grey <br />273.30 <br />274.00 <br />0.70 muddy <br />siltstone <br />dark <br />grey <br />274.00 <br />281.50 <br />7.50 decomp zones <br />iron stained <br />mudstone <br />dark <br />grey <br />281.50 <br />283.10 <br />1.60 coal lams <br />carbonaceous mudston <br />very dark <br />grey <br />283.10 <br />288.30 <br />E2 <br />5.20 moderately dull <br />oxidized <br />coal <br />black <br />• <br />Rio Tinto Energy America - Colowyo Mine <br />Page <br />728 of 1194 <br />