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C o0 <br />VIV <br />l <br />/ PHASE III VLF \ <br />N 52,000 1 / <br />PHASE II VLF <br />PHASE 5 VLF <br />I \ 1 <br />N 51,000 <br />/ ' I <br />/ I Ai <br />� PHASE I VLF <br />N 50,000 <br />I/ <br />I i <br />I / <br />' N'�9,000 <br />0 <br />z <br />w <br />x <br />w <br />J <br />Q <br />U <br />U <br />0 <br />O <br />J <br />d <br />SH67 � <br />300 0 300 600 FEET <br />mommmmmmmmmomml <br />EXPLANATION <br />cn <br />W TLB <br />o_ <br />o <br />o- <br />0- <br />THBX - HYDROTHERMAL BRECCIA LATE STAGE BRECCIA PIPES CONSISTING OF ANGULAR TO ROUNDED, <br />HETEROLITHIC CLASTS IN A ROCK FLOUR MATRIX. TYPICALLY ASSOCIATED WITH PERVASIVE ARGILLIC <br />ALTERATION. <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 HETEROLITHIC BRECCIA WITH ABUNDANT DARK -GREEN LAMPROPHYRE <br />CLASTS AND VARIABLE LATE CARBONATE ALTERATION. <br />TSY - TEPHRIPHONOLITE GREY, MEDIUM -TO FINE - GRAINED INTRUSIVE COMPOSED OF ORTHOCLASE, <br />ETSY:l PLAGIOCLASE, PYROXENE AND MINOR HORNBLENDE AND ANALCIME, COMMONLY OCCURING AS SMALL TO <br />MEDIUM SIZED STOCKS. <br />- TPHD TPHD - PHONOLITE DIKE SAME AS TPH <br />Q TPH TPH - PHONOLITE GREY, BROWN OR PINK, APHANITIC PHONOLITE COMPOSED OF FINE - GRAINED <br />ORTHOCLASE, NEPHELINE, MINOR AEGIRINE- AUGITE, AND ANALCIME. <br />o V) <br />w W <br />TPHK - FELDSPAR BEARING - PLAGIOCLASE PHONOLITE LIGHT -TO MEDIUM -GREY, PORPHYRY WITH <br />oz PHK SUBHEDRAL TO EUHEDRAL, MEDIUM -TO COARSE- GRAINED PHENOCRYSTS OF ALKALI FELDSPAR WITH <br />FT <br />__ MINOR AMOUNTS OF FELDSPATHOIDS, GLASSY APATITE AND PYROXENES. <br />TPHB - BIOTITE BEARING - PLAGIOCLASE PHONOLITE GRAY, FINE - GRAINED PORPHYRY WITH EUHEDRAL <br />BIOTITE AND ALKALI FELDSPAR PHENOCRYSTS. <br />a __ 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 />C) TBX1 L SUB - ANGULAR TO SUB - ROUNDED AND PRIMARILY COMPOSED OF VARIOUS PHONOLITE UNITS WITH <br />Lu <br />OCCASIONAL PRECAMBRIAN FRAGMENTS. COMMONLY SHOWS VARYING DEGREES OF HYDROTHERMAL <br />ALTERATION. <br />z <br />Q <br />m <br />� XGD <br />a <br />U <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 />IlaffeT.Tiv.1ya .i <br />EXISTING ROADS <br />EXISTING DRAINAGES <br />PHASE 5 VLF BOUNDARY <br />- DIATREME BOUNDARY <br />i — EXISTING VLF BOUNDARY <br />