Arizona Geological Survey Digital Geologic Maps


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Published: 2020
This map depicts the bedrock and surficial geology of much of the Union Pass quadrangle in the Black Mountains and the lower Colorado River Valley, Mohave County, northwestern Arizona. The geologic...
Resource Identifiers: DGM-129

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Published: 2020
This map depicts the bedrock and surficial geology of the Secret Pass quadrangle in the Black Mountains and Sacramento Valley, Mohave County, northwestern Arizona. The geologic mapping is original...
Resource Identifiers: DGM-130

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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 Benson 7.5' quadrangle is located in western Cochise County, about 45 miles east of Tucson, Arizona. The quadrangle encompasses the town of Benson, a portion of the San Pedro River corridor...
Resource Identifiers: DGM-34

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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
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
Previous studies (Drewes, 1974; Lingrey, 1982), as well as this study, included measurements of various foliations and lineations in the penetratively deformed rocks of the eastern Rincon Mountains...
Resource Identifiers: DGM-89, v. 2.0

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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: 2019
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: DGM-04

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Published: 2019
The Esperanza Mill 7 ½' Quadrangle is located approximately 40 km south-southwest of downtown Tucson, and is on the southeast flank of the Sierrita Mountains. The quadrangle encompasses the...
Resource Identifiers: DGM-33

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Published: 2019
The Galleta Flat East 7.5' Quadrangle is located in northwestern Cochise County in southeastern Arizona, north of the town of Benson. The San Pedro River flows south to north across the...
Resource Identifiers: DGM-56

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Published: 2018
Geologic map of largely Quaternary eolian and fluvial deposits of the Yuma East 7.5 quadrangle map, Yuma County, Arizona.
Resource Identifiers: DGM-86, v. 1.0

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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: 2018
The Wildhorse Mountain 7 ½′ Quadrangle includes part of the central San Pedro River and flanking valley fill, as well as areas of bedrock on both sides of the valley and at the south edge of the...
Resource Identifiers: DGM-62

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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: 2018
The Wagner Wash Well 7.5-minute Quadrangle includes the western fringe of the central White Tank Mountains, the western piedmont of the White Tank Mountains, the south-flowing Hassayampa River, and a...
Resource Identifiers: DGM-38

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Published: 2001
The study area is located ~40 km southeast of downtown Tucson, and is bounded by the Rincon Mountains on the north, the Empire Mountains on the southeast, and the northernmost Santa Rita Mountains...
Resource Identifiers: DGM-12

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