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PROJECT: NORTHFIELD MINE <br />NORTH. <br />EAST. <br />ELEV. <br />LOG TYPE <br />0.0 <br />0.0 <br />0.0 <br />DRILL HgLE DESCRIPTION <br />i <br />', SECTION 13 <br />Gamma, Density, Caliper, Resistivity <br />114,114 NE of NW <br />~ TWP. 19S <br />'` ~` RAi11GE 70S <br />II <br />DRILL HOLE # NF-l <br />GEOLOGIST L. Bonc <br />GPM of WATER 12.• <br />DRILL DATE 03/28 <br />PAGE 2 of <br />TOP BOTTOM THICK LITHOLOGY DESCRIPTION GPI <br />i <br />0.0 1.0 1.0 Soil li ht brown, sand <br />1.0 12.0 11.0 Gravel li ht brown, boulders, sand , cla e <br />12.0 29.0 17.0 Sandston li ht ra ,medium rain <br />29.0 31.5 2.5 Carb Shal black, weathered <br />31.5 42.0 10.5 Siltstone; li ht brown <br />42.0 58.2 16.2 Siltstone; ra , cla a to ,sand base 0.2 <br />58.2 59.4 1.2 Coal ~, brown black <br />59.4 65.0 5.6 Siltstone' ra <br />65.0 66.5 1.5 Carb Mudst ne black, coal laminae <br />66.5 77.0 10.5 Mudston ra , si <br />77.0 95.0 18.0 Sandston ra , ve fine rain, mudstone 1.0 <br /> I interbeds <br />95.0 99.0 4.0 Mudston ra <br />gg.0 115.5 16.5 Interbedd d Sandstone 8~ Siltstone - ra , H2S 5.0 <br />115.5 117.0 1.5 Carb Mudst ne black, coal laminae <br />117.0 122.0 5.0 Mudston ra ,sandstone laminae <br />122.0 152.6 30.6 Sandston li ht ra , ve fine rain, sil base 6.0 <br />152.6 155.0 2.4 Coal ~ Royal Gorge, mod bright,carb shale la minae <br />155.0 205.5 50.5 Sandston li ht ra , ve fine rain <br />205.5 209.0 3.5 Mudston ra , cla e , sil <br />209.0 212.5 3.5 Sandston ra , ve fine rain <br />212.5 220.0 7.5 Siltstone ra , cla e <br />220.0 251.5 31.5 Sandston li ht ra ra , ve fine rain <br />251.5 262.5 11.0 Siltstone ra ,sand <br />262.5 306.0 43.5 Interbedd d Sandstone &Siltstone - ra <br />306.0 316.5 10.5 P~ludston ra to brown, siltstone laminae <br />316.5 317.0 0.5 Coal Ocean Wave Rider. moderate bright <br />317.0 323.0 6.0 Sandston ra , ve fine rain. cla e <br />323.0 324.7 1.7 Mudston ra ,silt <br />324.7 325.2 0.5 Carb Shal e black <br />325.2 330.0 4.8 Coal ~ Ocean Wave, moderate bright 0.2 <br />330.0 331.0 1.0 Siltstone ra , cla e <br />331.0 337.0 6.0 Mudston dark ra , sil <br />337.0 340.0 3.0 Sandston ra ,fine rain <br />Prepared by Pronghorn Geologic S~:rvices, P.O. Box 4344, Gillette. WY 82717 <br />