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AALEYBALDRICH CORE BORING REPORT BORING NO. CH-CR3 PAGE 3OF 6 <br /> INCORPORATED PREPARED BY: P. Ganse/A.L. Howard <br /> Depth Drill Core Recovery <br /> in Rate No. ROD FIELD CLASSIFICATIONAND REMARKS <br /> Feet Min Per Dep f► Ft. % <br /> Foot Range <br /> NOTES: 1. Seepage 2 for explanatory note. <br /> 2.No circulation when A.Howard resumed monitoring drilling with second <br /> subcontractor. <br /> 25.0+ <br /> 25 24.8 0.6' <br /> 10 C4 1.3 86 (40%) Hard to very hard,fresh to very slightly weathered, light gray to light and dark <br /> 26.3 greenish gray,medium grained,GRANITE GNEISS;very close to close subhorizontal <br /> 11 26.3 to shallow dipping(<20°),rough planar joints with slight iron staining;moderately <br /> close to close, steeply dipping, rough, stepped joints. Shallow joints dip opposite <br /> 11 <br /> CS 2.2 100 0.3' steeper(45°) gneissic foliation. <br /> 28.5 (14%) <br /> 11 <br /> 28.5 Same as above <br /> 15 C6 1.6 100 79% <br /> 30 30.1 <br /> 10 30.1 <br /> C Same as above <br /> 7 2.2 94 1.5' <br /> 10 (65%) <br /> 10 32.4 <br /> 32.4 Same as above except frequent thin,calcite-filled veins extending through rock in <br /> 10 multiple directions <br /> C8 4.0 95 22 <br /> 10 <br /> 35 (52%) <br /> 10 <br /> 10 36.6 <br /> 36.6 36.6 to 41.7 ft: Very hard to hard,fresh to slightly weathered,light.gray to dark gray, <br /> 9 medium-grained GRANITE GNEISS: mostly close(some very close),rough planar <br /> joints with iron staining or chlorite coating, steeply dipping. <br /> 9 -37.6 to 38 ft: Seam of soft,highly weathered,dark gray to black medium grained <br /> biotite schist; highly fractured, some slickensided surfaces <br /> 9 40 C9 6.9 98 5.8' <br /> 9 (82%) <br /> 41.7 <br /> 9 41.7 to 43.7 ft: Very hard to hard,fresh to slightly weathered dark gray to black,fine <br /> grained DIORITE GNEISS;close,shallow to moderately dipping joints roughly <br /> 9 parallel to foliation <br /> 9 43.7 <br /> 45 (See next page) <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 />