Arizona Geological Survey Digital Geologic Maps


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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: 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: 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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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: DGM-75 v.1.0

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Published: 2018
The Mammoth 7½' Quadrangle includes part of the San Pedro River, flanking valley fill, and bedrock on the west side of the valley that forms the Black Hills and the northernmost tip of the...
Resource Identifiers: DGM-67

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Published: 2012
Surficial mapping of part of the Sonoyta Valley of Organ Pipe Cactus National Monument at 1:24,000 map scale.
Resource Identifiers: DGM-74

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Published: 2018
This map depicts the geology of the Lewis Springs 7 ½' Quadrangle, which is located in the upper San Pedro Valley a few miles north of the U.S. – Mexico border. The quadrangle covers much of the...
Resource Identifiers: DGM-51

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Published: 2015
The map encompasses a drainage divide that separates the Colorado River catchment from the Red Lake Playa catchment. Valleys consist of gently sloping piedmonts covered by alluvial fan and terrace...
Resource Identifiers: DGM-114

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Published: 2015
The map encompasses a drainage divide that separates the Colorado River catchment from the Red Lake Playa catchment. Valleys consist of gently sloping piedmonts covered by alluvial fan and terrace...
Resource Identifiers: DGM-113

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Published: 2009
These geologic map sheets and report encompass the proposed State Route 95 Relocation Corridor in Mohave Valley, western Arizona, between the Black Mountains on the east and the Colorado River on...
Resource Identifiers: DGM-65

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