Arizona Geological Survey Open File Reports


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Published: 1990
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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Published: 1990
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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Published: 1990
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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Published: 1990
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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Published: 1990
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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Published: 1991
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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Published: 1991
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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Published: 1991
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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Published: 1991
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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Published: 1991
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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Published: 1991
Assessment of the character of flood hazards and the extent of flood-prone areas on the piedmonts of Arizona is an increasingly important concern to floodplain managers as urban areas continue to...
Resource Identifiers: OFR-91-10

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Published: 1991
The character of flooding and the extent of flood-prone areas on the southern piedmont of the Tortolita Mountains have been disputed by local and federal flood plain management officials since at...
Resource Identifiers: OFR-91-11

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Published: 1991
Earth fissures are one of the geologic hazards that have damaged the facilities of the Central Arizona Project (CAP). Earth fissures exist along at least two reaches of the Tucson aqueduct, and more...
Resource Identifiers: OFR-91-01

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Published: 1992
Geologic Map of the Red Hill Quadrangle, La Paz County, Arizona. Scale 1:24,000.
Resource Identifiers: OFR-92-14

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Published: 1992
Geologic Map of the Imperial Reservoir Quadrangle, Yuma County, Arizona, and Imperial County, California, Scale 1:24,000
Resource Identifiers: OFR-92-11

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Published: 1992
The Bullard mineral district is one of approximately 15 mineral districts in west-central Arizona and southeastern California that are related to large-displacement, regionally low-angle normal...
Resource Identifiers: OFR-92-01

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Published: 1992
Separate maps show the ranges of values for each parameter. Polygons enclose areas where parameter values are within a range specified by the DRASTIC system, and a numerical rating is assigned to...
Resource Identifiers: OFR-92-13

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Published: 1992
Geologic maps have traditionally emphasized bedrock rather than unconsolidated sediments, the latter usually being lumped into the generic category of "Tertiary and/or Quaternary alluvium...
Resource Identifiers: OFR-92-07

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Published: 1992
The area described in this study includes Cemetery Ridge, the Clanton Hills, and the westernmost Gila Bend Mountains (picacho Hills), La paz and Yuma counties, Arizona. The study area (Fig. 1)...
Resource Identifiers: OFR-92-04

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Published: 1992
The area described in this study includes the eastern Eagletail Mountains, Maricopa, La Paz, and Yuma counties, Arizona. The study area encompasses all of the Eagletail Mountains East Quadrangle (1...
Resource Identifiers: OFR-92-03

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