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N <br />W <br />N <br />=0 <br />Table 2.7-8b Overburden Geochemical Drill Hole Lithology and Sample Intervals for the PR -7 Mine Expansion Area <br />Sample <br />No. <br />Sample <br />Interval <br />Top <br />(feet) <br />Sample <br />Interval <br />Bottom <br />(feet) <br />RQD <br />(°/,) <br />Lithological Description <br />39 <br />174.90 <br />178.50 <br />43.1% <br />SLTST <br />43.1% <br />MUDST <br />40 <br />178.50 <br />182.10 <br />38.2% <br />38.2% <br />SS <br />SS <br />38.2% <br />SS <br />41 <br />182.10 <br />184.60 <br />38.2% <br />SS <br />77, <br />42 <br />185.50 <br />187.00 <br />38.2% <br />SS <br />- <br />SS <br />43 <br />187.00 <br />190.10 <br />- <br />MUDST <br />44 190.10 <br />191.60 <br />- <br />CARB SHALE, DK BRN TO BLKISH BRN, MOD SOFT <br />45 191.60 <br />195.20 <br />- <br />MUDST <br />- <br />SLTST <br />- <br />MUDST <br />46 195.20 <br />196.50 <br />63.6% <br />SLTST <br />47 196.90 <br />200.90 <br />93.8% <br />MUDST <br />48 201.30 <br />203.80 <br />93.8% <br />SS <br />49 203.80 <br />205.50 <br />93.8% <br />MUDST <br />50 205.50 <br />208.00 <br />93.8% <br />CARB SHALE, BLKISH BRN TO DK BRN, MOD HARD W/ SHELL FRAGS TOWARDS TOP <br />51 208.00 <br />210.30 <br />93.8% <br />MUDST <br />52 210.45 <br />214.45 <br />93.8% <br />SS <br />93.8% <br />SS <br />53 214.60 216.04 <br />54 216.04 1 218.68 <br />93.8% <br />93.8% <br />85.7% <br />MUDST <br />COAL <br />