Arizona Geological Survey Digital Geologic Maps


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Published: 2021
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: 2021
The Prescott Valley South 7 ½' Quadrangle is located east of Prescott in Yavapai County in central Arizona. New geologic mapping and map compilation for the entire quadrangle, presented here,...
Resource Identifiers: DGM-103

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Published: 2021
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: 2021
The Gene Wash 7.5' Quadrangle is located south of Lake Havasu City and includes part of Mohave and La Paz Counties of western Arizona and San Bernardino County, California. Only the Arizona part...
Resource Identifiers: DGM-110

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Published: 2021
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: 2021
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: 2021
Geologic map and cross section of the Sullivan Buttes 7 1/2" quadrangle of central Arizona, Yavapai County.
Resource Identifiers: DGM-102

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Published: 2021
The Prescott Valley North 7.5' Quadrangle extends over Lonesome Valley and the western foothills of Mingus Mountain, southeast of Chino Valley. This map includes new mapping for Quaternary...
Resource Identifiers: DGM-92

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Published: 2021
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: 2021
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: 2021
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: 2021
The Galleta Flat West quadrangle includes the northern part of the divide between the Tucson basin to the west and the San Pedro Basin to the east, and the southern part of the Little Rincon...
Resource Identifiers: DGM-08

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Published: 2021
This digital geologic map and report describes the bedrock and surficial geology of the Durham Hills 7 1/2' Quadrangle. The study area is located approximately 60 km north-west of downtown...
Resource Identifiers: DGM-19

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Published: 2021
The Dome Rock Mountains SW 7 ½' Quadrangle is located just east of the Colorado River, east of Blythe, California and southwest of Quartzsite, in western Arizona. The map encompasses the western...
Resource Identifiers: DGM-116

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Published: 2021
The Dolan Springs 7.5' Quadrangle encompasses part of Detrital Valley, the southernmost White Hills, and the northernmost Cerbat Mountains of northwestern Arizona. The map depicts the...
Resource Identifiers: DGM-81

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Published: 2021
The study area is located ~50 km north of downtown Tucson, and is bounded by the Tortolita Mountains on the south, the Suizo Mountains on the west, and Black Mountain on the northeast. The map area...
Resource Identifiers: DGM-22

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Published: 2021
The Cactus Forest quadrangle is in the Basin and Range province in central Arizona and covers part of the middle Gila Valley in Pinal County southeast of Florence, Arizona, and west of the Ninetysix...
Resource Identifiers: DGM-95

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Published: 2021
The Bouse and Ibex Peak 7.5 minute quadrangles are located approximately 40 km south-southeast of the town of Parker in La Paz County, western Arizona. The Quadrangles encompass the northern Plomosa...
Resource Identifiers: DGM-107 v.2.0

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Published: 2021
Most of the map area is covered by sand dunes and related features of Cactus Plain. The dune field of Cactus Plain is on a low plateau formed primarily on older eroded sediments, with minor bedrock...
Resource Identifiers: DGM-108

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Published: 2021
Quaternary geology was mapped for three 7.5 minute quadrangles in the Safford Basin, Graham County, AZ: Artesia, Safford, and Thatcher. The geologic mapping is original but informed by previous work...
Resource Identifiers: DGM-106

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