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HALEY&ALDRICH COREBORlNGREPORT BORING NO. CH-CR3 PAGE 2OF 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 Dieipff Ft. % <br /> Foot Range <br /> 9 Mostly hard, fresh to slightly weathered, dark gray to black,medium-grained <br /> QUARTZ-DIORITE GNEISS;very close to close,rough,planar joints dipping 10 to <br /> 4 21.0 300 surfaces typically slickensided with trace of green, calcareous coating. <br /> -at 22.3 ft- 1.5"granite seam,steeply dipping 600 <br /> 4 -at 23.8 ft-2" seam of highly weathered,decomposed rock(clay gouge,non <br /> calcareous). <br /> 4 -Approximately 24 to 24.5 ft:highly fractured and slickensided zone with very soft, <br /> C3 4.7 100 Off weathered, I"seam at 24.0 ft <br /> 4 (171/6) -Lighter and more gramitic 25.2 to 25.7 ft. <br /> 25 <br /> 25.7 <br /> NOTE: Terminated initial drilling subcontractor mid-hole due to poor production. <br /> Depth bust of approximately 0.9 ft. See page 3 for continuation with second subcon- <br /> tractor beginning at 24.8 ft. <br /> 30 <br /> 35 <br /> ti <br /> 40 <br /> 45 <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. CKCR3 <br />