SOUTHERN ROCKY MOUNTAIN COLORADO PLATEAU IMPACT EVENT THORNTON IMPACT HYPOTHESIS LA SAL MOUNTAINS UTAH PLEASE PAPER THE LA MOUNTAINS CONVENTIONALLY BROAD DOME 600 METERS RELIEF KILOMETERS PARTICULARLY GEOLOGY TERTIARY CENTERS STRUCTURAL FEATURES MORPHOLOGY ROSS ABSTRACT RESULTS GEOLOGIC MAPPING DATA PREVIOUS REGIONAL GRAVITY MAGNETIC DEFINE SETTING HISTORY OF LATE OLIGOCENE DIAMETER RANGING HOLOCRYSTALLINE PORPHYRITIC GROUNDMASS INTRODUCTION SOUTHEASTERN MOUNTAIN RANGES THE CENTRAL HYPABYSSAL DOMES SIMILAR LITHOLOGIES CHEMICAL HUNT COMMON LACCOLITH GILBERT THE HENRY FIGURE 1 FIGURE DISTINCT PEAKS HIGH THE MOUNTAIN CONSISTING OF TRACHYTE PORPHYRIES INTRUDED UPPER PALEOZOIC MESOZOIC SEDIMENTARY ROCKS GOULD NORTHERN ELLIPTICAL IGNEOUS 600 M INTRUSION BELOW PRESENT BENEATH THE MOUNTAINS THE SOUTHWEST FLANK OF 5 DIPS FORMING NORTHWEST TRIASSIC STRATA CONTACT HORNBLENDE PLAGIOCLASE PLUTON ENTIRE THIN AUREOLE HORNFELS MINIMAL BAKING THE COUNTRY ROCK ADJACENT BRECCIA MATRIX CALCITE CRUSHED ROCK LOWER JURASSIC GLEN CANYON GROUP SANDSTONE BLOCKS COVER FLATIRON RIDGE MONOCLINE SLICKENSIDE CATACLASTIC SHEAR SLICKENSIDES BANDS FAULTING STRETCHING ARCHED HENRY MOUNTAINS JACKSON THE NORTHEAST JURASSIC COUNTRY ROCK APPEARS NEARLY VERTICAL THE STRUCTURE COMPLEX BREACHED ANTICLINE FLANKING SECTION THE BEST ELEVATION PLUTONS FLOOR BE ONE OBSERVATION UNDERLYING SALT DIAPIR APPEAR CAUSED COLLAPSE PARTS THE FLOOR HIGHER LEVEL SURFACE CASTLE VALLEY BRECCIAS PIPES RANGE CRACKLE THE MATRIX SUBORDINATE OPAQUE QUARTZ PODS LOCALLY HEMATITE PSEUDOMORPHS SULFIDES THE NORTHWEST DISCRETE AREAS CLAST FRAGMENTS MIXTURE IGNEOUS ROCK FORCEFUL MAGMA RELEASE PROBABLY DEPTHS CONSISTENT ABAJO MOUNTAINS MACROSCOPIC MICROSCOPIC EVIDENCE SHOCK METAMORPHISM EXTRATERRESTRIAL GRAIN PLANAR SCALE PLANAR DEFORMATION FEATURES STRINGER REDBED FOOT BLOB MELT PROPENSITY PORUS SHOCK WAVE CAUSING MELTING THE FORMATION OF THIN SECTION PHOTOMICROGRAPH PHOTOGRAPH ZONE BEDS FLOW DIKE AS IT MOTE CENTRAL UPLIFT MOUNTAIN IMPACT STRUCTURE ABOVE CLASTIC DIKE COBBLE EXCAVATION STAGE IMPACT CRATER KORD FERNANDO CLAUDIN SHOW HIGH RELIEF GLASS BLACK CIRCLE MARK VIEW ILLUMINATE CROSS POLARIZED LIGHT GLASSY NATURE CASES DETAIL THE HIGH ILLUSTRATED FIGURE 17 SHOWING STRUCTURE PHENOCRYSTS TOASTED AREA ILLUMINATED COPYRIGHT ALL RIGHTS RESERVED JOOMLA FREE SOFTWARE