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J <br /> RALEYBALDRICH CORE BORING REPORT BORINGNO. CH-CR4 PAGE20F5 <br /> INCORPORATED I 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 D-e—p- Ft. % <br /> Foot Range <br /> 8 <br /> 8 Very hard to moderatedly hard, slightly to moderately weathered, ligh to dark greenish <br /> 21.7 and pinkish gray,fine to medium grained altered GRANITE-GNEISS;very close,some <br /> 8 close, rough planar joints, clay and chlorite/talc coatings on most joint surfaces,mod. <br /> steeply dipping in direction parallel to foliation <br /> 8 <br /> 4.8 100 1.9 <br /> 8 (21%) <br /> 2s <br /> 8 <br /> 7 26.5 <br /> 26.5 Very hard to soft, slightly to severely weathered, greenish gray,fine grained altered <br /> 7 GRANITE GNEISS;very close to close,rough planar joints dipping near horizontal to <br /> 30°parallel to foliation,steeply dipping joints are almost vertical;quartz vein from <br /> 7 approximately 28.5 -29 ft,highly fractured;highly weathered,soft zones of several <br /> C6 4.8 100 0.3' inches in thickness from 29 to 31 ft(clay zones);clay and chlorite coatings on most <br /> 7 (6%) joint surfaces <br /> 30 <br /> 7 <br /> 31.3 31.0 ------------------------ <br /> 8 31.3 31.3-3 3.3 ft: Quartz vein <br /> 33.3 -36.1 ft: Very hard to soft slightly to moderately weathered dark gray,white and <br /> 8 pink,fine-grained weathered dark gray,white and.pink,fine-grained MIGMATITIC <br /> GNEISS;very close to close,rough,planar joints dipping 30°parallel to foliation, <br /> 8 C7 4.8 100 1.5' calcite coating on surfaces, I - 2" quartz seams every few inches, clay seam in bottom <br /> (31%) 2-3" <br /> 8 <br /> 35 <br /> 8 <br /> 7 36.1 <br /> 36.1 <br /> 7 Very hard to moderately hard, slightly to moderately weathered green, pink, and gray, <br /> medium grained,GRANITE GNEISS;very close to close,rough planar joints dipping <br /> 4.9 100 0.5 20- 30°parallel and perpendicular to foliation,joints have some chlorite coating;two <br /> 7 (10%) feldspar rich zones 1 - 2" thick; occasional biotite rich shistose gneiss seams up to 1" <br /> 7 thick <br /> 40 <br /> 7 41.0 <br /> 41.0 <br /> Same as above,except gray and pink with frequent white quartz veins up to 6 to 12 <br /> inches, and occasional altered schistose seams up to 2 inches <br /> C9 4.7 100 1.9' <br /> (40%) <br /> 4s <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 7' - 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-CR4 <br />