Arizona Geological Survey Digital Geologic Maps


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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: 2002
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: 2002
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: 2002
The Desert Peak 7-1/2' Quadrangle is located in southeastern Pinal County, and extreme northern Pima County, about 40 km northwest of Tucson, Arizona. It includes the extreme western edge of...
Resource Identifiers: DGM-20

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Published: 2002
Abstract: This map was modified from a map originally included as part of Steve Skotnicki's Ph.D. dissertation at Arizona State University. Purpose: Paul Knauth and his students have studied...
Resource Identifiers: DGM-27

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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: 2002
The Buckeye Hills are located approximately 30-40 km west-southwest of Phoenix, Arizona, directly south of the Town of Buckeye (see figure 1). Regionally, the Buckeye hills are sandwiched between...
Resource Identifiers: DGM-15

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Published: 2003
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: 2003
The Sierrita Mountains are a deeply eroded, ~1,000km2 Basin and Range uplift located 60km south of Tucson, southern Arizona, USA. The Sierritas are dominated by a 35km diameter, 600m-high bajada...
Resource Identifiers: DGM-32

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Published: 2003
Tumamoc Hill and Sentinel Peak form a group of hills at the western edge of Tucson in southeastern Arizona, and comprise a small part of the Tucson Mountains. Sentinel Peak, also known as A-...
Resource Identifiers: DGM-29

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Published: 2003
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: 2003
The McGrew Springs 7.5' Quadrangle is located in northwestern Cochise County about 45 miles southeast of Tucson, Arizona and lies south of the town of Benson. The western portion of the map...
Resource Identifiers: DGM-35

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Published: 2003
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: 2004
This map details the bedrock geology, structural geology, surficial geology, geomorphology, and geologic hazards of the Fortified Peak 7.5'quadrangle located north of Oracle Junction along the...
Resource Identifiers: DGM-18

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Published: 2004
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: 2004
This map depicts the geology of the Wickenburg SW 7.5-minute quadrangle in Maricopa County, central Arizona. The map area is located south of Wickenburg and southwest of Highway 60. The map area...
Resource Identifiers: DGM-40

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Published: 2004
This map depicts the geology of the Vulture Mine 7.5-minute quadrangle in Maricopa County, central Arizona. The map area is located southwest of Wickenburg and north of Interstate-10 along the...
Resource Identifiers: DGM-41

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Published: 2004
The Buckeye NW 7.5-minute Quadrangle is located approximately 35 miles (60 km) west of downtown Phoenix. The map area covers the southwestern piedmont of the White Tank Mountains which merges to the...
Resource Identifiers: DGM-37

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Published: 2004
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: 2004
The Tucson SE 7.5' quadrangle is located southeast of the city of Tucson, Arizona, between Wilmot and Houghton Roads and bisected by Interstate 10. Regionally, the map area is southwest of the...
Resource Identifiers: DGM-43

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