Arizona Geological Survey Digital Geologic Maps


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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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Published: 2019
The Sierrita Mountains are a deeply eroded Basin and Range uplift located 60 km south of Tucson, Arizona. The mountains consist of a rugged inselberg core range 300 m high flanked by a bajada...
Resource Identifiers: DGM-30

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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: 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 southwest, and the Whetstone Mountains on the...
Resource Identifiers: DGM-10

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Published: 2009
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: DGM-71

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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: 2018
The Peppersauce Wash 7 ½' Quadrangle and the southwestern part of the Kielberg Canyon 7 ½' Quadrangle include part of the San Pedro River lowlands, flanking valley fill on both sides of...
Resource Identifiers: DGM-69 v2.0

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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: 2018
The Needles NE 7 ½' Quadrangle includes the modern and historical floodplain of the Colorado River and the lower piedmont between the river and the Black Mountains to the east. This quadrangle...
Resource Identifiers: DGM-53 v2.0

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Published: 2000
The Clifton-Morenci map area includes four 7.5’ USGS quadrangles: Coronado Mountain, Copperplate Gulch, Clifton, and Mitchell Peak. Descriptions of the Precambrian, Paleozoic, and Mesozoic rocks...
Resource Identifiers: DGM-01

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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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Published: 2018
Bedrock and surficial mapping of the Middle Water Spring 7.5' quadrangle, Mohave County, Arizona. . Revised and re-released with funding from the USGS National Geological and Geophysical Data...
Resource Identifiers: DGM-96

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Published: 2001
The Mescal quadrangle straddles the divide between the Tucson basin to the west and the San Pedro Basin to the east. The region is dominated by Late Tertiary basin-fill deposits that form the low...
Resource Identifiers: DGM-09

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