Arizona Geological Survey Open File Reports
Alternative sources of energy will have to be developed as the availability
of traditional energy resources continues to diminish. Arizona
is supplied with geothermal reserves which could...
Resource Identifiers: OFR-79-09
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It is becoming increasingly clear that Arizona's.Basin and Range
Province contains an abundance of low-angle tectonic phenomena that are
diverse in space, time and tectonic significant. It is...
Resource Identifiers: OFR-81-02
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A preliminary investigation of the geothermal resource
potential of the San Pedro River valley was undertaken the
latter part of 1980. The area of investigation is situated
in Pinal, Pima and...
Resource Identifiers: OFR-81-06
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The Whitlock Mountains are primarily composed of basaltic to rhyolitic volcanic
rocks of Cenozoic age (16 to 30 million years). Two dome flow complexes,
with eruptive centers at Powerline Pass and...
Resource Identifiers: OFR-83-05
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The Vanar Hills region of the central Peloncjllo Mountains is primarily
composed of middle Tertiary rhyolite flows, vitric tuffs, and breccias. The
lower slopes of the mountains are blanketed by...
Resource Identifiers: OFR-83-06
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Map illustrating the outcrop and surficial geology of Flagstaff Area, Coconino County, Arizona. Scale 1:24,000.
Resource Identifiers: OFR-74-01
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Earth fissures are open surficial tension cracks in unconsolidated and semi-consolidated
sediments that may display vertical and/or horizontal displacement. Earth fissures have
become increasingly...
Resource Identifiers: OFR-89-10
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The Granite Wash Mountains are located
in west-central Arizona and are contiguous
with the Harcuvar Mountains to the northeast
and the Little Harquahala Mountains to the
south. They are part of...
Resource Identifiers: OFR-89-04
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Arizona Geological Survey Annual Report, Fiscal Year 1989-1990
Resource Identifiers: OFR-90-11
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Since earth fissures were first discovered in south-central Arizona in the late 1920's (Seismological
Society of America, 1927), they have been investigated by many workers, who have offered...
Resource Identifiers: OFR-90-7
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The little Horn Mountains 30' x 60' quadrangle is situated in the Sonoran Desert section of the Basin and Range Province in southwestern Arizona. This map depicts the alluvial deposits that...
Resource Identifiers: OFR-90-08
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The Sand Tank fault ~10km southwest of the proposed
Superconducting Super Collider site in Maricopa County, south central
Arizona, is characterized a ~3.5 km-long northeast trending
Piedmont fault...
Resource Identifiers: OFR-90-01
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Tectonic geomorphology of the Toroweap Fault, western Grand Canyon, Arizona: implications for transgression of faulting on the Colorado Plateau. The Toroweap fault is a major normal fault in...
Resource Identifiers: OFR-90-04
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Numerous debris flows occurred in the Huachuca Mountains of
southeastern Arizona during the summer rainy season of 1988 in
areas that were burned by a forest fire earlier in the summer.
Debris...
Resource Identifiers: OFR-90-06
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The Bouse Hills are located in west-central Arizona (Fig. 1) and are within the Basin and Range
physiographic province of the Southwest. The Bouse Hills consist of four rock assemblages (Fig. 2), as...
Resource Identifiers: OFR-90-09
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This report includes a 1:24,000 scale geologic map of a portion of the central Gila Bend Mountains.
The map covers portions of the Fourth of July Butte, Gillespie, and Quail Springs Wash 7.5'...
Resource Identifiers: OFR-91-07
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The eastern Gila Bend Mountains, Maricopa County, Arizona, are composed of Early Proterozoic
crystalline rocks and overlying mid-Tertiary continental clastic and volcanic rocks of the Sil Murk...
Resource Identifiers: OFR-91-05
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A detailed paleoflood investigation was performed in five canyons supplying flood
flows to the piedmont of the Tortolita Mountains. The results of the study reveal large
discrepancies between...
Resource Identifiers: OFR-91-06
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Information requested. Information and assistance were provided to more
than 3,900 persons who wrote, telephoned, or visited the Arizona Geological
Survey (AZGS) to buy publications, use the...
Resource Identifiers: OFR-91-12
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These nine maps depict the distribution and general ages of Quaternary geomorphic surfaces
and associated alluvial deposits surrounding the White Tank Mountains, on the western margin of the...
Resource Identifiers: OFR-91-08
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