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0 <br />z <br />W <br />x <br />O <br />J <br />a <br />OF <br />CCU A PHASLE <br />300 0 300 600 FEET <br />t= <br />n <br />EXPLANATION <br />1 THBX - HYDROTHERMAL BRECCIA LATE STAGE BRECCIA PIPES CONSISTING OF ANGULAR TO ROUNDED, <br />THBX HETEROUTHIC CLASTS IN A ROCK FLOUR MATRIX. TYPICALLY ASSOCIATED WITH PERVASIVE ARGILLIC <br />ALTERATION. <br />m <br />w <br />cr TLB <br />a <br />0 -- -- <br />m <br />CL TLBX <br />TSY <br />W <br />F- <br />J <br />zz <br />0 <br />a <br />TPHD <br />TPH <br />TPHK <br />TLB - BIOTITE BEARING - LAMPROPHYRE DIKE DARK - GREEN, FINE -TO MEDIUM - GRAINED PORPHYRY <br />WITH BIOTITE PHENOCRYSTS IN A FINE - GRAINED GROUNDMASS CONSISTING OF ANALCIME, ALKALI <br />FELDSPAR, BIOTITE, HORNBLENDE AND MINOR MAGNETITE. <br />TLBX - LAMPROPHYRE BRECCIA LATE -STAGE LAMPROPHYRIC BRECCIA PIPE CONSISTING OF BOTH <br />MATRIX AND CLAST SUPPORTED HETEROUTHIC BRECCIA WITH ABUNDANT DARK -GREEN LAMPROPHYRE <br />CLASTS AND VARIABLE LATE CARBONATE ALTERATION. <br />TSY - TEPHRIPHONOUTE GREY, MEDIUM -TO FINE - GRAINED INTRUSIVE COMPOSED OF ORTHOCLASE, <br />PLAGIOCLASE, PYROXENE AND MINOR HORNBLENDE AND ANALCIME, COMMONLY OCCURING AS SMALL TO <br />MEDIUM SIZED STOCKS. <br />TPHD - PHONOLITE DIKE SAME AS TPH <br />TPH - PHONOLITE GREY, BROWN OR PINK, APHANITIC PHONOUTE COMPOSED OF FINE - GRAINED <br />ORTHOCLASE, NEPHELINE, MINOR AEGIRINE- AUGITE, AND ANALCIME. <br />TPHK - FELDSPAR BEARING - PLAGIOCLASE PHONOUTE LIGHT -TO MEDIUM -GREY, PORPHYRY WITH <br />SUBHEDRAL TO EUHEDRAL, MEDIUM -TO COARSE - GRAINED PHENOCRYSTS OF ALKALI FELDSPAR WITH <br />MINOR AMOUNTS OF FELDSPATHOIDS, GLASSY APATITE AND PYROXENES. <br />TPHB - BIOTITE BEARING - PLAGIOCLASE PHONOUTE GRAY, FINE - GRAINED PORPHYRY WITH EUHEDRAL <br />BIOTITE AND ALKALI FELDSPAR PHENOCRYSTS. <br />Q TBX1 L - CRIPPLE CREEK LAPILLI BRECCIA GENERALLY MASSIVE, STRUCTURELESS, MATRIX SUPPORTED <br />BRECCIA THAT IS POORLY SORTED, TYPICAL OF DIATREMAL CRATER FILL BRECCIA. CLASTS ARE <br />Q TBX1 L SUB - ANGULAR TO SUB - ROUNDED AND PRIMARILY COMPOSED OF VARIOUS PHONOUTE UNITS WITH <br />w OCCASIONAL PRECAMBRIAN FRAGMENTS. COMMONLY SHOWS VARYING DEGREES OF HYDROTHERMAL <br />ml ALTERATION. <br />m <br />XGD <br />W <br />d <br />LEGEND: <br />XGD - GRANODIORITE MASSIVE TO FOLIATED, MEDIUM -TO COARSE - GRAINED, HORNBLENDE- BIOTITE <br />GRANODIORITE. LOCALLY OCCURS AS AN AUGEN GNEISS. INCLUDES DIABASE DIKES AND SCHISTOSE <br />LENSES. <br />EXISTING GROUND SURFACE CONTOUR EL, FEET <br />HIGHWAY 67 <br />EXISTING ROADS <br />r - EXISTING DRAINAGES <br />I"" - --woo' PHASE 5 VLF BOUNDARY <br />- --- DIATREME BOUNDARY <br />� — EXISTING VLF BOUNDARY <br />