Arizona Geological Survey Open File Reports


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Published: 2001
A comprehensive analysis of slack-water flood deposits on the lower Verde River, Arizona, reconstructs the history of the largest floods on the river over the last 1600 years. The record provides...
Resource Identifiers: OFR-01-04

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Published: 2001
This report summarizes the surficial geology and geomorphology around the western part of the Crater Range, situated in the North Tactical Range on the Barry M. Goldwater Air Force Range in...
Resource Identifiers: OFR-01-03

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Published: 2001
This report summarizes the geology and geomorphology of 12 small watersheds in the Peloncillo Mountains, southwestern New Mexico. The study site is located in the central portion of the Malpai...
Resource Identifiers: OFR-01-05

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Published: 2001
The Superstition volcanic field is defined as all area within the outcrop belt of the Apache Leap Tuff. This definition follows that of Sheridan (1978) who defined the Superstition - Superior field...
Resource Identifiers: OFR-01-06

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Published: 2001
Sentinel Peak Park, also known as “A” Mountain, is an ideal location to see a variety of volcanic rocks and associated sedimentary rocks, to observe a panoramic view of the Tucson metropolitan...
Resource Identifiers: OFR-01-07

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Published: 2001
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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Published: 2001
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 2000
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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Published: 1993
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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