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J <br /> IIALEYBALDRICH COREBORINGREPORT BORING NO. CH-CR2 PAGE 3OF4 <br /> INCORPORATED PREPARED BY: P. GanwJA.L. Howard <br /> Depth Drill Core Recovery <br /> in Rate No. RQD FIELD CLASSIFICATIONAND REMARKS <br /> Feet Min Per 1Tep41-i Ft. 96 <br /> Foot Rangie <br /> 4 (40.4) Hard,fresh,light and dark gray to greenish gray with some pink,fine to medium <br /> grained GRANITE GNEISS. Very close to moderately close,rough,planar joints, <br /> 4 dipping 30 to 40° ;rough planar,healed steeply dipping joints,some are open and <br /> coated with clay gouge,slickensides,green chlorite. Some of 30 to 40° joints are <br /> 4 C6 10.0 100 7.7' coated with chlorite. Zone from 42.4 to 43.4 is moderately weathered. Vertical joints <br /> (77%) are open, contain clay gouge and slickensides. <br /> 4 <br /> 4 <br /> 50 50.4 NOTE: Greener,more schistose,and frequent slickensides 40 to 46.5 ft. <br /> 8 50.4 <br /> 8 <br /> 8 <br /> 8 <br /> C7 Hard,light gray and white,fine grained GRANITE GNEISS; very close to close open, <br /> g 7.5 100 63, rough,planar joints parallel to shallow dipping gneissic foliaiton(-10°)-some joint <br /> 55 (84%) surfaces are covered with silica, some calcareous infilling as well. <br /> 8 <br /> 8 <br /> 8 57.9 <br /> 57.9 <br /> 5 Same as above except: <br /> C8 2.5 100 1.7' - micaceous (muscovite) <br /> 5 - green coating on open joint-chlorite? <br /> 6 0 (680%) NOTE: top 10"was broken and redrilled from difficult drilling. <br /> 12 60.4 <br /> 60.4 <br /> 12 Same as C6,except: <br /> - granite porphyry seam fast few inches <br /> 12 -joints are close to moderately close in spacing, silica and light green coating on <br /> C9 9.5 95 9.1, some open joints <br /> 12 <br /> 12 (91%) <br /> 65 <br /> 12 <br /> 12 NOTE: from 69.6 to 70.4 ft in Run C 9: <br /> Moderately hard,moderately weathered, dark greenish gray weathered orange, fine <br /> 12 grained GARNET HORNFELS;very close,rough,joints filled with calcareous clay <br /> gouge dippng steeply(almost vertical). Entire interval is weathered and broken up <br /> 12 relative to surrounding granite gneiss - secondary joints extend in multiple directions; <br /> slickensides on primary joints (see below) <br /> 12 Isee <br /> .6 <br /> 70 70.4 description immediately above) <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 CR2 <br />