Arizona Geological Survey Digital Geologic Maps


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Published: 2016
The Corona de Tucson 7 ½' Quadrangle is located in the southeastern margin of the Tucson basin in Pima County, southeastern Arizona. The map area encompasses developed and undeveloped portions...
Resource Identifiers: DGM-115

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Published: 2019
The Blythe 7 ½' Quadrangle straddles the Colorado River, including the City of Blythe, California and areas to the south, in western Arizona and eastern California. The map encompasses much of...
Resource Identifiers: DGM-124

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Published: 2019
Geologic Map of Green Valley 7.5' Quadrangle, Pima County, Arizona, 1 sheet, map scale 1:24,000.
Resource Identifiers: DGM-142

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Published: 2019
The Oro Valley 7.5' Quadrangle covers an area, located approximately 25 km north of downtown Tucson, that extends over much of Oro Valley and includes parts of the adjacent Tortolita Mountains...
Resource Identifiers: DGM-21

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Published: 2019
This geologic map of the Twin Buttes 7.5' quadrangle, located south of Tucson in southern Arizona, includes both bedrock and surficial mapping. The map shows the 2120 level in the Twin Buttes...
Resource Identifiers: DGM-31

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Published: 2015
The area covered by this geologic map includes all of the Wintersburg 7 ½' quadrangle and parts of the adjacent Arlington, Gillespie and Tonopah quadrangles surrounding the Palo Verde Nuclear...
Resource Identifiers: DGM-77

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Published: 2012
This geologic map covers much of southeastern Big Chino Valley and a small part of Big Black Mesa in Yavapai County, north of Prescott.
Resource Identifiers: DGM-90

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Published: 2002
The White Tank Mountains are a mid-Tertiary metamorphic core complex located 65 kilometers west of Phoenix. Bedrock is composed of Proterozoic metamorphic and plutonic rocks, two late Cretaceous to...
Resource Identifiers: DGM-14

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Published: 2012
The White Hills West 7½' Quadrangle encompasses part of Detrital Valley, the western flank of the White Hills, and small part of the Black Mountains in northwestern Arizona. This map depicts the...
Resource Identifiers: DGM-97

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Published: 2019
The map area includes the Waterman Mountains and northern part of the Roskruge Mountains. These ranges are located in the Basin and Range Province of southern Arizona, and consist of groups of small...
Resource Identifiers: DGM-02

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Published: 2002
The geologic map of the Tortolita Mountains encompasses the Tortolita Mountains 7.5’ quadrangle plus parts of 3 adjoining 7.5’ quadrangles; Desert Peak and Marana to the west and southwest, and...
Resource Identifiers: DGM-26

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Published: 2013
Quaternary geology of the Safford Basin, Graham County, Arizona, was mapped in three 7 1/2' minute quadrangles: Artesia, Safford and Thatcher. The geologic mapping is original but informed by...
Resource Identifiers: DGM-105

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Published: 2015
A compilation geologic map of the southwest part of the Tonto National Forest. Included here is the ArcGIS data including shapefiles published as DI-41.
Resource Identifiers:
DGM-76
DI-41

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Published: 2010
Bedrock in the Spring Water Canyon 7 ½' Quadrangle consists primarily of the Lower Cretaceous Bisbee Group. Formation names were applied during earlier mapping by Finnell (1971). Bisbee Group...
Resource Identifiers: DGM-79

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Published: 2002
As part of the mid-Tertiary Boot Heel volcanic field, the southern Peloncillo Mountains provide a wonderful opportunity to study to Oligocene cauldron structures, intracaldera and extracaldera...
Resource Identifiers: DGM-25

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Published: 2002
The Sierra Ancha are a series of high plateaus, mesas, and ridges that extend from Theodore Roosevelt Lake in the south to the Mogollon Rim on the north. The southern margin is in some paces a...
Resource Identifiers: DGM-24

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Published: 2007
Southeastern Arizona hosts one of the greatest concentrations of copper deposits on Earth. After more than a hundred years of geologic study, the porphyry-style and related copper deposits of...
Resource Identifiers: DGM-59 v1.1

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Published: 2017
Geologic map of the Pima and southern half of the Markham Creek 7 ½' Quadrangles, Graham County, Arizona. Surficial mapping.
Resource Identifiers: DGM-120

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Published: 2012
This geologic map cover the southeastern ends of Big Chino Valley and Big Black Mesa and part of Page Flat and Hell Canyon in Yavapai County, north of Prescott.
Resource Identifiers: DGM-91

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Published: 2017
Geologic map of the Moon Mountain SE and western edge of the Bouse SW 7 ½' Quadrangles, La Paz County, Arizona. Includes surficial and bedrock mapping
Resource Identifiers: DGM-122

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