Arizona Geological Survey Open File Reports
The Big Horn Mountains are a geologically complex range that extends
over 500 square km in west-central Arizona. Three major lithologic
terranes outcrop: (1) Proterozoic amphibolite, phyllite,...
Resource Identifiers: OFR-85-17
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Much of the basin fill and fanglomerate is lightly to moderately
cemented, and it is very difficult to acquire undisturbed specimens from
standard field sampling techniques.....
Resource Identifiers: OFR-88-05
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The WSA is underlain by Precambrian metamorphic rocks,
Cambrlan quartzites, Carboniferous limestones and shales,
middle Tertiary volcanics, and late Tertiary-Quaternary
alluvium in stream valleys...
Resource Identifiers: OFR-83-11
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Arizona sits astride two major geologic provinces, the Colorado Plateau to the north and the
Basin and Range to the south and west. The provinces are characterized by quite different stratigraphic...
Resource Identifiers: OFR-78-03
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The accompanying geologic maps depict the general geology of a two-mile
wide strip centered about the Salt River, starting just below Roosevelt
Dam and extending westward 36 miles to just below...
Resource Identifiers: OFR-81-30
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The WSA is underlain by Precambrian metamorphic rocks, Cretaceous
or Tertiary granite, and middle Tertiary volcanics. Bedrock
exposures are surrounded by late Tertiary-Quaternary
basin-fill (sands...
Resource Identifiers: OFR-83-07
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Contents of report: occurrences
geologic map of WSA 4-22/23/24 A and B
map of known mineral occurrences (within, and bordering,
WSA 4-22/23/24 A and B)
table of mineral occurrences (mine/prospect...
Resource Identifiers: OFR-83-08
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The Vulture Mountains are situated in west-central Arizona,
between the Big Horn and Harquahala Mountains on the west, and
the Wickenburg Mountains on the east. Although a range of low
relief, the...
Resource Identifiers: OFR-88-09
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This report is a brief compilation of the general geologic
history of the Mesa 10 x 20 NTMS quadrangle of east-central Arizona
(33 - 340 N. latitude, 110-1120 W. longitude). References listed at...
Resource Identifiers: OFR-79-03
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This report describes the geology of the Red Picacho quadrangle and parts of the Wickenburg, Garfias Mountain, and Wittman quadrangles. The map area comprises metamorphic-plutonic basement...
Resource Identifiers: OFR-87-09
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The Buckskin-Rawhide detachment fault separates a variety of
Proterozoic through Cenozoic rock types from underlying mylonitic
crystalline rocks. In the Swansea-Copper Penny area of the central...
Resource Identifiers: OFR-87-02
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The major feature of the proposed Superconducting Super Collider
(Department of Energy, 1987) is a collider ring, approximately 53 miles in
circumference, in which the basic constituents of matter...
Resource Identifiers: OFR-87-06
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Geologic Map of the Maricopa Mountains, Central Arizona. Map Scale 1:62,500
Resource Identifiers: OFR-87-04
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Mission: To inform and advise the public about the geologic character of Arizona to help meet societal needs for water, energy, and mineral resources and assist in prudently managing the State's...
Resource Identifiers: Annual Report 2003
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Mission: To inform and advise the public about the geologic character of Arizona in order to improve understanding and support prudent development of the State's land, water, mineral, and energy...
Resource Identifiers: Annual Report 2002
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Mission: To inform and advise the public about the geologic character of Arizona to help meet societal needs for water, energy. and mineral resources and assist in prudently managing the State's...
Resource Identifiers: Annual Report 2004
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During the period 1942 through 1944, the Office of Indian
Affairs, U. S. Department of the Interior, leased four parcels
of land in Monument Valley, Arizona and Utah for carnotite
mining. Two...
Resource Identifiers: OFR-85-15
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This report contains a comprehensive list of theses and
dissertations, completed between 1891 and 1978, on Arizona
geology and related subjects, such as hydrology. The compilation
includes a main...
Resource Identifiers: OFR-85-10
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In the Safford-San Simon Basin, thermal water (>30 degrees C) flows from numerous
artesian wells and springs. These wells and springs are used by several mineral
baths in the Safford area. The...
Resource Identifiers: OFR-81-26
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The Granite Wash Mountains are one of the most structurally complicated
mountain ranges in Arizona. The northern part of the range is composed of an
imbricate stack of structurally interleaved...
Resource Identifiers: OFR-83-23
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