Arizona Geological Survey Open File Reports


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Published: 1985
The regular, all-day field trip of April 11, 1985, is designed to provide a pleasant outing for all. The trip route features exhilarating scenery that is based on a complex geologic setting the...

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Published: 2022
This report focuses solely on the pre-1978 masonry building stock of Prescott. These are buildings likely to lack rebar or other forms of reinforcement to enhance stability and improve performance in...
Resource Identifiers: OFR-22-03

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Published: 2022
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: DGM-156

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Published: 2022
The study area is situated along the southern edge of the Superstition Mountains approximately 40 miles east of the greater Phoenix metropolitan area (Figure 1). Geology is dominated by mid-...
Resource Identifiers: DGM-155

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Published: 2022
This report documents in-brief the history and fate of the Arizona Mine Data Archive from its earliest days involving collection and curation by the Arizona Department of Mines and Mineral Resources...
Resource Identifiers: OFR-22-02

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Published: 1999
This map documents the complex deformation in a northeast-trending belt of steeply dipping Paleozoic strata in the footwall of the Harquahala thrust in the Socorro Mine-White Marble mine area of the...
Resource Identifiers: OFR-99-09

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Published: 2022
Arizona is prone to moderate- to rare large-magnitude earthquakes. Communities in earthquake-prone parts of Arizona possess a potentially large number of unreinforced masonry (URM) buildings. In 2021...
Resource Identifiers: OFR-22-01

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Published: 2021
The Mead Slope fault (MSF) has been considered an active late Quaternary fault for several decades; however, until this study, there have been weak constraints on slip rates, and the age and size...
Resource Identifiers: OFR-21-01

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Published: 2020
The purpose of this report is to support governmental entities undertaking planning decisions by providing on mineral resources and active mining operations that are essential to infrastructure...
Resource Identifiers: OFR-20-03

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Published: 2021
The Lake Mary Fault System (LMFS) is located in Flagstaff, Arizona. Prior to this study, much was unknown related to its slip rate or whether the fault system was still active. The LMFS is a 30-45km...
Resource Identifiers: OFR-21-02

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Published: 2020
The Arizona Geological Survey (AZGS) is determined to provide digital access to geological data whenever possible. As part of these efforts, archival data associated with drill core from the...
Resource Identifiers: OFR-20-02

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Published: 2012
The Picacho Mountains are a north-south trending mountain range in southeastern Arizona that is completely surrounded by Quaternary alluvium. Picacho Peak, located south of the south end of the...
Resource Identifiers: OFR-12-04

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Published: 2019
The Santa Cruz Valley National Heritage Area (Figure) covers a wide swath of historic and productive porphyry copper mining in southern Arizona, and mining has long been an important of the history...
Resource Identifiers: OFR-19-03

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Published: 2019
Geologic Map of the Helvetia 7.5' Quadrangle, Pima County, Arizona. One sheet, map scale 1:24,000.
Resource Identifiers: OFR-09-06

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Published: 1994
The Palomas Mountains are located approximately 70 miles northeast of Yuma, Arizona, and about 15 miles north of the town of Dateland in eastern Yuma County (Figure 1). Across a narrow valley to...
Resource Identifiers: OFR-94-09

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Published: 1996
The Owl Head 7.5' quadrangle and the northern third of its southern neighbor, the Kofa Butte 7.5' quadrangle, represent an 80 mile' area of the northern Kofa Mountains, a remote,...
Resource Identifiers: OFR-96-03

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Published: 1997
The Fortuna mine is located on the western side of the central Gila Mountains in southwesternmost Arizona (Figure 1), just east of the western fork of the Camino del Diablo. The mine is located on a...
Resource Identifiers: OFR-97-16

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Published: 2020
Those in the public, private, and government sector increasingly rely on information and news from social media outlets and websites. AZGS stakeholders are no exception. About 60% of US adults rely...
Resource Identifiers: OFR-20-01

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Published: 2019
In FY 2019, there were 380 active, full-time mines or development projects in the state of Arizona (Plate 1). Mine products have been categorized into 43 discrete categories (as defined by Hart, 2018...
Resource Identifiers: OFR-19-04

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Published: 1985
This report presents the results of a reconnaissance analysis of Quaternary faulting in central Arizona, conducted for the U. S. Bureau of Reclamation. The goal of this study has been to...
Resource Identifiers: OFR-85-04

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