Arizona Geological Survey Open File Reports
A new earth fissure has been reported southeast of Wintersburg, about 75 km (50
miles) WSW of Phoenix (Figure 1). The fissure was reported to AZGS in early
September and was visited several times...
Resource Identifiers: OFR-01-10
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Geoscience data are used for land-management decision-making, for engineering design, in the
search for mineral resources, and for scientific research. Traditionally, geologic information has
been...
Resource Identifiers: OFR-01-09
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Pursuant to A.R.S. Title 27-152, the Arizona Geological Survey (AZGS) was
established to be a primaty source of information about Arizona geology. To
carty out this mandate AZGS geologists map and...
Resource Identifiers: OFR-00-14
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Bibliography of the geology and mineral resources of Ironwood Forest National Monument, Pima and Pinal Counties, Arizona.
(18 pages)
Resource Identifiers: OFR-00-15
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This report and maps describe the geology, geomorphology, and geologic hazards in
the Three Points quadrangle, on the southwestern fringe of the Tucson metropolitan area
in unincorporated Pima...
Resource Identifiers: OFR-00-12
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The Safford basin is a deep, sediment-filled structural trough containing abundant
lacustrine (lake) and playa sediments, reflecting long periods of closed-basin conditions.
Gravity models indicate...
Resource Identifiers: OFR-00-10
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Tritium as a tracer of groundwater sources and movement in the Safford Basin, Graham County, Arizona
The Arizona Geological Survey (AZGS) performed a study to measure the tritium
content of waters form various sources in the Safford Basin, part the upper Gila River
watershed. The concentration of...
Resource Identifiers: OFR-00-09
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The geology of the Clifton-Morenci area has been investigated for nearly 100
years beginning with the pioneering work of W. Lindgren at the start of the 20th century.
For most of the century,...
Resource Identifiers: OFR-00-07
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The study area includes the southern Roskruge Mountains and a small area of the
northernmost Coyote Mountains in Pima County, southeast Arizona (Figure 1). Elevations in the
area range between 2500...
Resource Identifiers: OFR-00-06
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This study encompasses the whole of the Oracle Junction 7.5' quadrangle and the eastern third of the
Tortolita Mountains 7.5' quadrangle (see figure 1). Late Tertiary basin-fill deposits...
Resource Identifiers: OFR-00-04
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Permian salt in the Holbrook Basin, Arizona. The northwest-southeast trending Holbrook Basin embraces an area of thickened Permian sedimentary rocks located in east-central Arizona near the south...
Resource Identifiers: OFR-00-03
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Hydrology and Geomorphology of the Santa Maria and Big Sandy Rivers and Burro Creek, Western Arizona
This report summarizes the geomorphology
and hydrology of the three principal tributary
streams of the Bill Williams River in western
Arizona. The Bill Williams River basin drains
most of west-...
Resource Identifiers: OFR-00-02
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Management of flood hazards on piedmonts
of the western United States is increasingly important
as urban development expands into
these areas. In the western United States, the
term piedmont...
Resource Identifiers: OFR-00-01
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On a clear day the rugged crest of Four Peaks is visible from Phoenix, 50 km to the east-northeast
(see figures I and 2). It is one of the highest, most rugged areas in central Arizona. Four Peaks...
Resource Identifiers: OFR-00-11
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Geologic Map of the Phoenix North 30' x 60' Quadrangle, Central Arizona, Scale 1:100,000
Resource Identifiers: OFR-93-17
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Earth fissures have damaged the Central Arizona Project (CAP), and threaten to do so again in the
future. Many fissures exist near Reach 1 of the Tucson Aqueduct, located west of the Picacho...
Resource Identifiers: OFR-93-1b
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The recent development of horizontal drilling techniques and application of hydraulic fracturing to horizontal wells has dramatically increased oil and gas production in the U.S., notably in areas...
Resource Identifiers: OFR-13-08
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These photographs were mostly taken from the ADMMR Mining collection, records on mineral resource exploration and mining in Arizona from late 1800s to the early 2000s. Photographs principally relate...
Resource Identifiers: OFR-12-25
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The National Geothermal Data System (NGDS) is a distributed, interoperable network of data collected from state geological surveys across all fifty states and the nation’s leading academic geothermal...
Resource Identifiers: OFR-13-06
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In 2011, the Arizona Wilderness Coalition, Sonoran Institute, and The Wilderness Society
proposed that the Federal Government designate approximately 1170 square miles (~750,000
acres) of Arizona...
Resource Identifiers: OFR-13-03 v2.0
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