Arizona Geological Survey Open File Reports


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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: 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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Published: 1985
These cross-sections and maps fulfill part of a project for the U.S. Geological Survey under cooperatiue agreement NO. 14-08-001-A-0092 (Geologic Characterization of the Basin and Range Province),...
Resource Identifiers: OFR-85-02

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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: 2019
Geologist William (Bill) L. Chenoweth’s (1928 – 2018) nearly 70-year career in uranium exploration, mining, and mineral production in the southwestern United States resulted in more than 150 reports...
Resource Identifiers: OFR-19-05

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Published: 2019
An illustrated history of Grand Canyon. Includes one (1) 11x17 graphic/pamphlet with 'How to Use' section. A supplemental document includes a further reading list and references used to...
Resource Identifiers: OFR-19-02

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Published: 2019
This report summarizes revisions to the Depth-to- Bedrock (DTB) contour map after Richard et al. (2007) along the boundary between the southeastern Higley basin near Queen Creek, AZ, and the...
Resource Identifiers: OFR-19-01

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Published: 2012
Geomorphologic analyses and surficial geologic mapping provide information about the age and type of alluvial deposits on piedmonts that is critical in assessing the character of piedmont landforms...
Resource Identifiers: OFR-12-07

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Published: 1981
The region under consideration (Figure 1) lies within the Cabullona Basin of northeast Sonora. It is located south of the towns of Agua Prieta and Naco. The region covers an area of approximately...
Resource Identifiers: OFR-81-03

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Published: 1999
The Picacho Mountains are north-south trending mountain range completely surrounded by Quaternary alluvium, and consists of Tertiary and older granitic and gneissic rocks (Figure 1). Picacho Peak,...
Resource Identifiers: OFR-99-18

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Published: 2010
This document is a profile for using ISO19139 xml schema for of ISO 19115 and ISO 19119 metadata. The profile provides guidance for the population of ISO19139 dataset and dataset series documents to...
Resource Identifiers: OFR-10-02

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Published: 2018
The purpose of this investigation is to assess the possible underground extent of a sinkhole in Colossal Cave Mountain Park southeast of Tucson near Vail, Arizona (Figure 1). The sinkhole is located...
Resource Identifiers: OFR-18-01

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Published: 1996
This map and report summarize the geology of the northern part of the lower Verde River Valley in central Arizona. The map encompasses the Bartlett Dam 7.5' U.S.G.S. topographic quadrangle and...
Resource Identifiers: OFR-96-22

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Published: 2000
This report and accompanying maps describe the surficial geology, geomorphology, and geologic hazards of the rapidly developing Green Valley – Sahuarita area on the southern fringe of the Tucson...
Resource Identifiers: OFR-00-13

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