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Summary
This database was developed to improve upon previous mapping in the central
Marysvale volcanic field and compile older mapping at a consistent scale. This
area is an important mining district, and a regional understanding of the
geology and mineral deposits will assist in understanding genesis of deposits
and in exploration for new deposits. The area is also an ... important part of the
transition zone between the Colorado Plateau to the east and the Great Basin to
the west. This tectonically significant province may hold keys to the style
and mechanisms of continent-scale deformation in the Western United States.

The geologic map of the central Marysvale volcanic field, southwestern Utah,
shows the geology at 1:100,000 scale of the heart of one of the largest
Cenozoic volcanic fields in the Western United States. The map shows the area
of 38 degrees 15' to 38 degrees 42'30" N., and 112 degrees to 112 degrees
37'30" W. The Marysvale field occurs mostly in the High Plateaus, a
subprovince of the Colorado Plateau and structurally a transition zone between
the complexly deformed Great Basin to the west and the stable, little-deformed
main part of the Colorado Plateau to the east. The western part of the field
is in the Great Basin proper. The volcanic rocks and their source intrusions
in the volcanic field range in age from about 31 Ma (Oligocene) to about 0.5 Ma
(Pleistocene). These rocks overlie sedimentary rocks exposed in the mapped
area that range in age from Ordovician to early Cenozoic. The area has been
deformed by thrust faults and folds formed during the late Mesozoic to early
Cenozoic Sevier deformational event, and later by mostly normal faults and
folds of the Miocene to Quaternary basin-range episode. The map revises and
updates knowledge gained during a long-term U.S. Geological Survey
investigation of the volcanic field, done in part because of its extensive
history of mining. The investigation also was done to provide framework
geologic knowledge suitable for defining geologic and hydrologic hazards, for
locating hydrologic and mineral resources, and for an understanding of geologic
processes in the area. A previous geologic map (Cunningham and others, 1983,
U.S. Geological Survey Miscellaneous Investigations Series I-1430-A) covered
the same area as this map but was published at 1:50,000 scale and is obsolete
due to new data. This new geologic map of the central Marysvale field, here
published as U.S. Geological Survey Geologic Investigations Series I-2645-A, is
accompanied by gravity and aeromagnetic maps of the same area and the same
scale (Campbell and others, 1999, U.S. Geological Survey Geologic
Investigations Series I-2645-B).

Related URL

Link: GET DATA Description: Access to documentation and data Link: GET DATA Description: PDF graphical representation of map Link: VIEW EXTENDED METADATA Description: FGDC Metadata in outline and text format Link: VIEW RELATED INFORMATION Description: Aeromagnetic and Gravity Maps of the Central Marysvale Volcanic Field, Southwestern Utah

Multimedia Sample View full image Caption:  Reduced-size image of the entire map sheet, 400x249 pixels, 43k bytes.

Geographic Coverage Spatial coordinates    N: 38.71   S: 38.25   E: -112.0   W: -112.62

Data Set Citation

Dataset Creator: Peter D. Rowley; Charles G. Cunningham; Thomas A. Steven; Jeremiah B. Workman; John J. Anderson; Kevin M. Theissen Dataset Title: Geologic Map of the Central Marysvale Volcanic Field, Southwestern Utah Dataset Series Name: U.S. Geological Survey Geologic Investigations Series I-2645 Dataset Release Date: 2002 Dataset Release Place: Denver, Colorado Dataset Publisher: U. S. Geological Survey Version: version 1.0 Data Presentation Form: map Online Resource: http://pubs.usgs.gov/imap/i-2645-a/

Temporal Coverage

Start Date: 2000-01-01 Stop Date: 2000-12-31

Location Keywords

CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > UTAH

Data Resolution

Latitude Resolution: 2.5 meters Longitude Resolution: 2.5 meters

Science Keywords

LAND SURFACE > GEOMORPHOLOGY > TECTONIC LANDFORMS/PROCESSES SOLID EARTH > TECTONICS > STRATIGRAPHIC SEQUENCE SOLID EARTH > TECTONICS > FOLDS SOLID EARTH > TECTONICS > FAULTS SOLID EARTH > ROCKS/MINERALS > SEDIMENTS SOLID EARTH > ROCKS/MINERALS > SEDIMENTARY ROCKS SOLID EARTH > ROCKS/MINERALS > MINERALS/CRYSTALS SOLID EARTH > ROCKS/MINERALS > METAMORPHIC ROCKS SOLID EARTH > ROCKS/MINERALS > IGNEOUS ROCKS SOLID EARTH > ROCKS/MINERALS > BEDROCK LITHOLOGY SOLID EARTH > ROCKS/MINERALS > AGE DETERMINATIONS LAND SURFACE > TOPOGRAPHY > TERRAIN ELEVATION LAND SURFACE > TOPOGRAPHY > LANDFORMS

ISO Topic Category

GEOSCIENTIFIC INFORMATION ELEVATION

Platform

MAPS

Access Constraints
None

Use Constraints
Acknowledgment of the U.S. Geological Survey would be appreciated in products
derived from these data.

Ancillary Keywords

Marysvale volcanic field Sevier thrust faults Three Creeks caldera Mount Belknap caldera Big John cldera Monroe Peak caldera Red Hills caldera Cove Fort transverse zone Cove Creek fault Clear Creek downwarp Dry Wash fault zone Sevier fault zone Sheep Rock fault zone Tushar fault zone Colorado Plateau Great Basin BARCO Marysvale mining district southwest Utah Sevier River Pavant Range Tushar Mountains Sevier Plateau Antelope Range Sevier Valley Marysvale Valley Beaver Valley Beaver Basin the Elbow Clear Creek Canyon Joseph Flats Beaver Sulfurdale Cove Fort Kimberly Sevier Joseph Elsinore Annabella Monroe Marysvale Piute Reservoir Three Creeks Reservoir Puffer Lake

Data Set Progress

COMPLETE

Originating Center

USGS

Data Center

Central Region, Publications, Geology Division, U.S. Geological Survey, U.S. Department of the Interior Data Center URL: http://cpg.cr.usgs.gov/pub/publications.html Dataset ID: I-2645-A Data Center Personnel Name: TERRY D'ERCHIA Phone: (303) 236-7431 Email: terry_derchia at usgs.gov Contact Address: Office of the Regional Geologist, Central Region U.S. Geological Survey Denver Federal Center MS-911 Box 25046 City: Denver Province or State: CO Postal Code: 80225-0046 Country: USA

Distribution

Distribution Media: online Distribution Format: ArcInfo Export Fees: No cost for the digital files. Distribution Media: online Distribution Format: Shapefile Fees: No cost for the digital files.

Personnel

JEREMIAH B. WORKMAN Role: TECHNICAL CONTACT Phone: 303-236-1257 Email: jworkman at usgs.gov Contact Address: U.S. Geological Survey Box 25046 Denver Federal Center, MS-913 City: Denver Province or State: CO Postal Code: 80225 Country: USA JEREMIAH B. WORKMAN Role: DIF AUTHOR Phone: 303-236-1257 Email: jworkman at usgs.gov Contact Address: U.S. Geological Survey Box 25046 Denver Federal Center, MS-913 City: Denver Province or State: CO Postal Code: 80225 Country: USA

Publications/References
Williams, Van S., 1996, GSMCAD, a new computer program that combines the
functions of the GSMAP and GSEDIT programs and is compatible with Microsoft
Windows and ARC/INFO: U. S. Geological Survey Open-File Report 96-007.

Campbell, David L. , Steven, Thomas A. , Cunningham, Charles G. , and Rowley,
Peter D. , 1999, Aeromagnetic and Gravity Maps of the Central Marysvale
Volcanic Field, Southwestern Utah: U.S. Geological Survey Geologic
Investigations Series I-2645-B, U.S. Geological Survey, Denver, CO.
http://pubs.usgs.gov/imap/1999/i-2645-b/

Creation and Review Dates

DIF Creation Date: 2001-01-10 Last DIF Revision Date: 2006-06-13

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