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HALEY&ALDRICH <br /> INCORPORATED <br /> CORE BORING REPORT Boring No. CH-CR3 <br /> PROJECT: Morrison Quarry Central Quarry Reservoir Job No. 20200-000 <br /> CLIENT: Cooley Gravel Company PageNo. 1 of 6 <br /> CONTRACTOR: Ground Exploration Company/Golden Drilling,Inc. Location:N7613.8,El1986.1 <br /> EQUIPMENT USED: Skid-Mounted CME-45 Elevation: 6491.2 <br /> COREBARREL ORIENTATION Date Start: 6/30/94 <br /> TYPE NXWireline Date Finish: 7/9/94 <br /> Vertical Inclined Driller: R.Rupp <br /> ID 1.875" Prepared By: P.Ganse <br /> Horizontal Bearing <br /> Angle From Vertical <br /> Depth Drill Core Recovery <br /> in Rate No. ROD FIELD CLASSIFICATIONAND REMARKS <br /> Feet MFoo er Range <br /> 96 <br /> Ft. <br /> NOTE: Tricone down to 9.0 ft;set surface casing(9ft). <br /> 5 <br /> 9.0 to 10.3 ft: hard,fresh to slightly weathred,light gray to pink,medium grained <br /> GRANITE PORPHYRY;very close,rough,undulating joints,shallow dip at 10°; <br /> very broken zone. <br /> 3 9.0 Hard,fresh,black to dark greenish gray,fine to medium grained QUARTZ DIORITE <br /> i 0 GNEISS;very close to close,rough,planar joints oriented parallel to foliation at <br /> 3 Cl 5.5 85 2 o shallow dip (10°) some surfaces have thin calcareous coating; very close to close, <br /> (38/0) rough,planar joints dipping more steeply at 30 to 40', slight weathering on some of <br /> 3 these; abundant epidote and quartz with lesser biotite and garnet. <br /> 3 <br /> 3 <br /> 3 <br /> 15 <br /> 9 15.5 <br /> 15.5 Same as above,except: <br /> 9 -joints are fresh to slightly weathered <br /> C2 5.5 100 1.25' _calcareous filling and chlorite on joints <br /> 9 (23O/0) -highly fractured area from 19.5 ft to 19.9 ft(moderately hard with very soft weath- <br /> ered seam from 19.5 ft to 19.6 ft) <br /> 9 - closely spaced, slightly slickensided joints. <br /> 9 NOTE: Bottom 6 in.of C2 recovered in top of C3 <br /> 20 21.0 <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" - 17' CLOSE Z' - 12" V.SLIGHT SEVERE <br /> MOD.HARD-SCRATCHES EASILY ME13INM 12" - 36" MOD.CLOSE 12" - 36" SLIGHT V.SEVERE <br /> SOFT-GROOVES Te l 36' - 120" WIDE 36' - 120" MODERATE COMPLETE <br /> V.SOFT-CARVES V.THICK > 120" V.WIDE > 120" BORINGNO. CH CR3 <br />