Arizona Geological Survey Digital Geologic Maps


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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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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: 2012
Surficial geologic map of a portion of Organ Pipe Cactus National Monument including the Valley of the Ajo and the western flank of the Ajo Mountains. One map sheet at 1:24,000 map scale.
Resource Identifiers: DGM-73

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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: 2018
The Soza Canyon 7 ½′ Quadrangle includes part of the San Pedro River, flanking valley fill, and bedrock on the southwest side of the valley that forms part of the Rincon Mountains (Figure 1)....
Resource Identifiers: DGM-61

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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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