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NALEYBALDRICH CORE BORING REPORT BORING NO. CH-CR3 PAGE SOF 6 <br /> INCORPORATED PREPARED BY:P.GANSE/A.L.HOWARD <br /> Depth Drill Core Recovery <br /> in Rate No. ROD FIELD CLASSIFICATION AND REMARKS <br /> Feet Min Per l3cepfl-i Ft. % <br /> Foot R <br /> Very hard to hard, slightly to moderately weathered,black and green,fine-grained <br /> 7 DIORITE GNEISS;very close to moderately close,rough planar joints dipping very <br /> 7 C12 10.0 100 8.75' shallow(near horizontal); steeply dipping joint has weathered mineral product on <br /> (88%) surface, dark, non-calcareous <br /> 7 <br /> 8 73.1 <br /> 8 4.9 100 3.3' <br /> 7s Cl3 75.8 <br /> 8 (68%) <br /> Very hard to hard,fresh to slightly weathered, light to medium gray and pink,fine <br /> 8 grained GRANITE GNEISS;very close to close joints as shallow dip,some coating of <br /> joint surfaces with calcite and chlorite smear,vertical quartz vein near 75.8 ft. <br /> 8 <br /> 12 780 Same as above <br /> 12 C14 3.7 100 2.4' <br /> so (65%) <br /> 12 <br /> 81.7 <br /> 15 81.7 Same as above,except medium grained, highly fractured, prevalent steeply dipping <br /> 15 joints intersecting with shallow,nearly horizontal joints,weathered or altered mineral <br /> products on many joint surfaces <br /> 15 C15 3.5 100 0.7' <br /> (20%) <br /> 15 <br /> 85 85.2 <br /> 10 85.2 Very hard to hard,slightly weathered,light gray and pink,mostly fine grained GRAN- <br /> ITE GNEISS;joints typically close to moderately close with few areas having very <br /> 10 close spacing, shallow dipping joints(<20°) parallel to foliation, slightly steeper joints <br /> oriented opposite to foiliation; very steep stepped joints; joint surfaces typically have <br /> 10 6.1 100 4.8' iron staining, some chlorite <br /> C16 (79%) <br /> 10 <br /> 10 <br /> 90 <br /> 10 <br /> 91.3 -Last 7"very quartz rich <br /> 10 91.3 Same as above except medium grained to fine grained <br /> 10 C17 9•0 100 7.4' <br /> (80%) <br /> 10 <br /> 10 <br /> 9s (1CO.3) <br /> FIELD HARDNESS BEDDING DISCONTINUITIES WEATHERING <br /> V.HARD-KNIFE CANT SCRATCH V.THIN < 2" V.CLOSE < 2" FRESH MODSEVERE <br /> HARD-SCRATCHES DIFFICULT THIN 2" - 12" CLOSE 2" - 12" V.SLIGHT SEVERE <br /> MOD.HARD-SCRATCHES EASILY MEDIUM 12" - 36" MOD.CLOSE 12" - 36" SLIGHT V.SEVERE <br /> SOFT-GROOVES THICK 36" - 120" WIDE 36" - 120" MODERATE COMPLETE <br /> V.SOFT-CARVES V.THICK > 120" V.WIDE > 120" BORINGNO. CH-CR3 <br />