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This release presents the GIS data (in GDB, shapefile, and e00 [coverage] formats) and metadata for a 1:24,000-scale geologic map of the Poncha Pass area in central Colorado. A cartographic version of the geologic map, including map unit descriptions, interpretative text, and accessory figures and tables, is being separately published as a U.S. Geological Survey Scientific Investigations Map (SIM). The map area is irregular in shape, covering all of one 7.5' quadrangle (Poncha Pass) and parts of five others (Mount Ouray, Maysville, Salida West, Salida East, and Wellsville). The map boundaries were drawn to cover all of the "Poncha mountain block", coincident with the approximately 15-kilometer-long northwestern...
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 40Ar/39Ar age,
Arkansas River,
Bear Creek,
Bonanza Tuff,
Bull Lake glaciation, All tags...
Chaffee County,
Cleveland Mountain,
Clover Creek,
Colorado,
Conejos Formation,
Droz Creek,
Dry Union Formation,
Fremont County,
Geomorphology,
Laramide orogeny,
Little Cochetopa Creek,
Mears Junction,
Methodist Mountain,
Mineral Resources,
Mount Ouray,
Murphys Hole,
O’Haver Lake,
Pinedale Glaciation,
Poncha Creek,
Poncha Mountain,
Poncha Pass,
Poncha Springs,
Rio Grande rift,
Round Hill,
Saguache County,
Salida,
San Luis Creek,
San Luis Valley,
Sand Gulch,
Sangre de Cristo Mountains,
Sawatch Range,
Silver Creek,
Simmons Peak,
South Arkansas River,
Stratigraphy,
Structural Geology,
U-Pb age,
USA,
USGS Science Data Catalog (SDC),
United States,
Upper Arkansas Valley,
Volcanology,
basement rocks,
basin-fill deposits,
dike,
fault slip,
intrusive rocks,
metamorphic rocks,
mountain block,
normal fault,
oblique-slip fault,
pre-Bull Lake glaciation,
range-front fault,
reverse fault,
sedimentary rocks,
sill,
strike slip,
surficial deposits,
uplift,
volcanic rocks, Fewer tags
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida, Colorado. The valley is structurally controlled by an extensional fault system that forms part of the prominent northern Rio Grande rift, an intra-continental region of crustal extension. This work also incorporates new detailed geologic mapping of poorly understood areas within the map area and reinterprets previously studied areas, aided by lidar data that covers 59 percent of the map area. The mapped region extends into the Proterozoic metamorphic and intrusive rocks in the Sawatch Range west of the valley and the Mosquito Range to the east. Paleozoic...
Categories: Data;
Tags: 207Pb/206Pb zircon age,
40Ar/39Ar age,
Arkansas River,
Balltown,
Balltown placer gold mining areas, All tags...
Belle of Granite Mine,
Big Union Creek,
Bishop ash,
Black Cloud Mine,
Black Mountain,
Browns Canyon,
Browns Canyon fluorspar mining district,
Browns Creek,
Buckskin Gulch,
Buena Vista,
Buffalo Creek,
Buffalo Peaks,
Bull Lake glaciation,
Cache Creek,
California Gulch,
California Mine,
Centerville,
Chaffee County,
Chalk Creek,
Clear Creek,
Clear Creek Reservoir,
Colorado,
Cottonwood Creek,
Dry Union Gulch,
Eagle County,
Eagle River,
East Fork Arkansas River,
Eddy Creek,
Elephant Rock,
Fremont County,
Front Range,
Garfield,
Garfield Mine,
Garfield mining district,
Gordon Mine,
Granite,
Granite mining district,
Granite placer gold mining areas,
Hayden Gulch,
Homestake Reservoir,
Iowa Gulch,
Johnson Village,
Lake County,
Lake Creek,
Langhoff Gulch,
Lava Creek B ash,
Leadville,
Leadville mining district,
Lilly Mine,
London Mine,
Malta,
Maysville,
Mesozoic rocks,
Morrison Creek,
Mosquito Range,
Mount Aetna,
Mount Antero,
Mount Antero mining district,
Mount Princeton,
Mount Shavano,
Mount Yale,
Paleozoic rocks,
Park County,
Pine Creek,
Pinedale glaciation,
Pitkin County,
Poncha Springs,
Proterozoic rocks,
Quaternary deposits,
Rio Grande rift,
Riverside,
Rock Creek,
Ruby Mine,
Ruby Mountain,
San Juan Mountains,
Sangre de Cristo Range,
Sawatch Range,
Sedalia Mine,
Sedalia copper-zinc mining district,
South Arkansas River,
South Park,
South Platte River,
Squaw Creek,
St. Kevin mining district,
Structural Geology,
Sugar Loaf mining district,
Sugarloaf Mountain,
Tennessee Creek,
Tertiary rocks,
Triad Ridge,
Trout Creek,
Trout Creek Pass,
Trout Creek paleovalley,
Tumble Creek,
Turquoise Lake,
Twin Lakes Reservoir,
Twin Lakes mining district,
Two Bits mining district,
USA,
USGS Science Data Catalog (SDC),
United States,
Western Alma mining district,
Weston Pass,
Weston Pass mining district,
Yankee Blade Mine,
alluvial deposits,
alluvium,
andesite,
artificial-fill deposits,
augen gneiss,
basalt,
basin-fill deposits,
breccia,
colluvium,
copper,
cosmogenic surface-exposure age,
dacite,
debris flow,
debris-flow deposits,
diamicton,
diorite,
eolian deposits,
fan deposits,
fault,
faulting,
fluorspar,
fluvial deposits,
gabbro,
glacial deposits,
glacial flood deposits,
glacial flood gravel,
glaciofluvial deposits,
gneiss,
gold,
graben,
granite,
granitic gneiss,
granodiorite,
gravel,
hydrologic hazards,
hypabyssal rhyolite,
intrusive rock,
lahar deposit,
lamprophyre,
landslide deposits,
latite,
lava,
lead,
leucogranite,
leucogranite gneiss,
lidar imagery,
man-made deposits,
mass-movement deposits,
mass-movement hazards,
metabasalt,
metagabbro,
metaigneous rocks,
metasedimentary rocks,
metavolcanic rocks,
microtonalite,
mine,
mine-waste deposits,
mineral deposits,
mining district,
monzodiorite,
monzogranite,
monzonite,
mud-flow deposits,
neotectonics,
ore,
outwash,
outwash gravel,
peat deposits,
pegmatite,
periglacial,
placer gold,
placer-tailings deposits,
porphyry,
pre-Bull Lake glaciation,
quartz diorite,
quartz latite,
quartzite,
rhyodacite,
rhyolite,
rift,
rock-glacier deposits,
sackungen,
sand and gravel resources,
scarp,
schist,
sedimentary rocks,
seismic hazards,
silver,
smelter-slag deposits,
soil,
surficial deposits,
talus deposits,
till,
tuff,
volcanic ash,
volcanic breccia,
volcanic rock,
weathering,
wetland deposits,
zinc, Fewer tags
This geologic map depicts and briefly describes geologic units underlying Petroglyph National Monument and immediately adjacent areas in Bernalillo County, New Mexico. The Monument is underlain dominantly by Quaternary basalts of the Albuquerque Volcanoes volcanic field, a series of basin-filling volcanic flows and associated vents from a monogenetic volcanic highland along the eastern margin of the Llano de Albuquerque. This compilation builds on data of previously published geologic maps and reports but includes new interpretive synthesis of volcanic stratigraphy and a unified representation of Quaternary surficial deposits overlying volcanic deposits within the Monument and areas immediately adjacent. This geologic...
Categories: Data;
Tags: Albuquerque,
Bernalillo,
Holocene,
Miocene,
New Mexico, All tags...
Petroglyph National Monument,
Pleistocene,
Pliocene,
Quaternary,
Rio Grande rift,
Tertiary,
USGS Science Data Catalog (SDC),
Volcanology,
basin-fill deposits,
cinder cone,
eolian deposits,
geology,
surficial deposits,
unconsolidated deposits,
volcanology, Fewer tags
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