Laserfiche WebLink
• <br />r <br />• Rio Tinto Energy America Cotowyo Mine Page 702 of 1194 <br />Drill Hole Lithology Summary <br />Drill Hole <br />Easting <br />Northing Collar <br />Total Depth <br />Township Range <br />Section File <br />C -06 -10 <br />1 <br />35172361 7,38928 <br />898.20 <br />T04N R94W <br />35 <br />5C <br />Adjusted <br />Depths <br />From <br />To <br />Seam <br />Thickness Lithologic Qualifiers <br />Lithology Type <br />Shade <br />Color <br />567.15 <br />567.60 <br />0.45 fissile <br />ms lams <br />shaley coal <br />567.60 <br />568.40 <br />0.80 coal lams <br />clayey <br />carbonaceous mudston <br />very dark <br />grey <br />568.40 <br />569.60 <br />1.20 carbonaceous <br />siltstone <br />dark <br />grey <br />569.60 <br />570.70 <br />1.10 coaly <br />boney coal <br />black/bro <br />570.70 <br />572.40 <br />1.70 carbonaceous <br />mudstone /siltstone <br />very dark <br />grey <br />572.40 <br />573.10 <br />0.70 soft <br />carbonaceous <br />mudstone <br />dark <br />grey <br />573.10 <br />575.10 <br />2.00 sandy <br />siltstone <br />light <br />grey <br />575.10 <br />576.00 <br />0.90 fissile <br />coaly <br />shaley coal <br />black <br />576.00 <br />580.40 <br />GB <br />4.40 bright <br />blocky <br />coal <br />black <br />580.40 <br />580.50 <br />GB <br />0.10 dull <br />tuff /tonstien <br />brownish <br />580.50 <br />583.10 <br />GB <br />2.60 bright <br />blocky <br />coal <br />black <br />583.10 <br />583.20 <br />0.10 coaly <br />boney coal <br />black/bro <br />583.20 <br />583.60 <br />0.40 coal lams <br />resin (rags <br />shaley coal <br />very dark <br />grey <br />583.60 <br />584.50 <br />0.90 fissile layer <br />siltstone /mudstone <br />medium- <br />grey <br />584.50 <br />584.80 <br />0.30 fissile <br />shaley coal <br />black <br />584.80 <br />585.30 <br />ZZ <br />0.50 bright <br />pyritic cleats <br />coal <br />black <br />585.30 <br />585.90 <br />0.60 fissile <br />coaly <br />shaley coal <br />black <br />585.90 <br />589.30 <br />3.40 clayey <br />mudstone <br />very dark <br />grey <br />589.30 <br />592.70 <br />3.40 fining down seq <br />siltstone /mudstone <br />medium <br />grey <br />592.70 <br />600.90 <br />8.20 interbedded <br />mudstone /siltstone <br />medium- <br />grey <br />600.90 <br />603.10 <br />GC <br />2.20 <br />coal <br />black <br />603.10 <br />613.00 <br />9.90 <br />carbonaceous mudston <br />dark <br />grey <br />613.00 <br />646.00 <br />33.00 <br />sandstone <br />light <br />grey <br />646.00 <br />659.50 <br />13.50 interbedded <br />mudstone /siltstone <br />medium- <br />grey <br />659.50 <br />661.00 <br />H4 <br />1.50 <br />coal <br />black <br />661.00 <br />662.00 <br />1.00 <br />carbonaceous mudston <br />very dark <br />grey <br />662.00 <br />667.00 <br />5.00 interbedded <br />mudstone /sandstone <br />light -dark <br />grey <br />667.00 <br />677.00 <br />10.00 <br />mudstone <br />dark <br />grey <br />677.00 <br />679.50 <br />2.50 <br />carbonaceous mudston <br />black <br />679.50 <br />681.30 <br />H8 <br />1.80 <br />coal <br />black <br />681.30 <br />700.60 <br />19.30 carby layers <br />mudstone /siltstone <br />medium- <br />grey <br />700.60 <br />704.40 <br />13 <br />3.80 <br />coal <br />black <br />704.40 <br />713.70 <br />9.30 <br />mudstone /siltstone <br />dark <br />grey <br />713.70 <br />719.70 <br />15 <br />6.00 <br />coal <br />black <br />719.70 <br />725.50 <br />5.80 <br />mudstone <br />dark <br />grey <br />725.50 <br />731.00 <br />5.50 <br />sandstone <br />light <br />grey <br />731.00 <br />743.00 <br />12.00 <br />mudstone /sandstone <br />medium- <br />grey <br />743.00 <br />778.50 <br />35.50 <br />sandstone <br />light -med <br />grey <br />• Rio Tinto Energy America Cotowyo Mine Page 702 of 1194 <br />