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• Project ~ Carbon Junction Mine Hol• No. g2-4 <br />Paq~ 6 of ~ <br /> FROM TO ititCKNESS DESCRIPTION <br /> 355.0 360.0 S.0 Interbedded Sandstone, Siltstone and Shale: <br /> gray to dark gray <br /> 360.0 365.6 5.6 Interbedded Siltstone and Shale: dark gray to <br /> black, soft at top, firm at base <br /> 365.6 368.0 2.4 Interbedded Sandstone and Shale: light gray, <br /> fine grained sand; dark gray silty shale, <br /> firm, 0. 7' core loss at base <br /> 368.0 369.0 1.0 Sandstone: white to light gray, fine grained, <br /> limey, gray shale laminations <br /> 369.0 380.0 11.0 Sandstone: gray, Medium grained, dark gray shale <br /> laminations, soft <br /> 380.0 385.0 5.0 Sandstone: light gray, very hard at top, friable <br /> at base, shale laminations, 120 gpm water at <br />• 383.0' <br /> 385.0 390.0 5.0 Sandstone: light gray, shale laminations, <br /> additional 30 gpm water bring hole yield to <br /> 150 gpm of water. <br /> Field readings on water sample: pH 8.29 <br /> EC 1200 mmhos <br /> Temp. 15° C <br /> 390.0 395.0 5.0 Sandstone: light gray, shale laminations <br /> 395.0 400.0 5.0 Sandstone: light gray, shale laminations <br /> 400.0 405.0 5.0 Interbedded Sandstone, Shale and Coal: light <br /> gray to gray sand, dark gray shale, dull <br /> black coal <br /> 405.0 410.0 5.0 Interbedded Shale and Sandstone: dark gray, <br /> clayey shale, gray sand, Firm <br /> 410.0 415.0 5.0 Interbedded Shale and Sandstone: dark gray, <br /> clayey shale, gray sand, firm <br /> 415.0 420.0 5.0 Shale: dark gray with laminations of gray <br /> sandstone, coal inclusions <br />• <br />1 420.0 422.9 2.9 Shale: black to dark gray, clayey, soft, <br /> coal inclusions, less than 1% pyrite, <br /> gradational into next lower unit <br />