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} <br /> NALEY&ALDRICH <br /> INCORPORATED <br /> CORE BORING REPORT Boring No. CH-CR1 <br /> PROJECT: Morrison Quarry Central Quarry Reservoir Job No. 20200-000 <br /> CLIENT: CooleyGravel Company PageNo. 1 of 3 <br /> CONTRACTOR:Ground Exploration Company Location: N8237.4,El1787.9 <br /> EQUIPMENT USED: Skid-Mounted CME-45 Elevation: 6462.1 <br /> COREBARREL ORIENTATION Date Start: 622/94 <br /> TYPE Date Finish: 627/94 <br /> ID � Vertical Q Inclined Driller: R.Rupp <br /> 1.875" Bearing Prepared By: A. L. Howard <br /> Horizontal Angle From Vertical <br /> 12.2' long outer barrel El <br /> Depth Drill Core Recovery <br /> in Rate No. ROD FIELD CLASSIFICATIONAND REMARKS <br /> Feet Min Per Dep F-iFoot Ft. % <br /> NOTES: <br /> 1.Drilled with 3.25 in.tricone roller bit to 5.3 ft and set 4.25 in O.D.steel surface <br /> casing to 4.9 ft prior to coring. Additional rotary tricone to 6.2 ft to begin coring. <br /> 2.Began coring @ 1350 hrs. <br /> 5 <br /> 6.2 NOTE: C I=15.5 min/ft,average. <br /> Hard, slightly weathered, light gray, green and reddish brown, fine grained, quartz- <br /> biotite GNEISS(GRANITE GNEISS);very close gneissic foliation at 40°dip;very <br /> close to close,rough,planar, tight joints parallel to foliation; calcite healed joints <br /> Cl 3.4 76 1.5'(33%) parallel to foliation(close)and vertical(stepped). Schistose from 10.0 to 10.7 ft. <br /> 10 <br /> 10.7 <br /> 10.7 Same as above with: <br /> 4* - 10.7 to 13.0: reddish brown, gray and green schistose zone with seams of soft to <br /> mod. hard black,micaceous schistose gneiss (biotite) up to 1" thick. <br /> 4* - closely spaced subhorizontal joints. <br /> 4* C2 4•6 94 2'2' *NOTE: Changed core bits at 11 ft. <br /> (44%) <br /> 4* <br /> IS-- 15.6 <br /> 9 <br /> 15.6 Hard to very hard,fresh to slightly weathered, light gray with pink and dark gray, <br /> 9 fine grained,quartz-biotite-muscovite GNEISS(GRANITE GNEISS);very rose <br /> gneissic foliation at 200 - 30' dip;close,rough,planar and stepped joints at <br /> 9 foliation dip (tight) and at 70' (open); very close to close, steeply dipping quartz- <br /> 9 <br /> C3 7.0 100 5.3' healed joints. <br /> (76%) <br /> 9 <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 7' - 12" CLOSE 2" - 17' 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" gORINGNO. CH-CR1 <br />