Arizona Geological Survey Digital Geologic Maps


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Published: 2019
The Benson 7.5' quadrangle is located in western Cochise County, about 45 miles east of Tucson, Arizona. The quadrangle encompasses the town of Benson, a portion of the San Pedro River corridor...
Resource Identifiers: DGM-34

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Published: 2019
Previous studies (Drewes, 1974; Lingrey, 1982), as well as this study, included measurements of various foliations and lineations in the penetratively deformed rocks of the eastern Rincon Mountains...
Resource Identifiers: DGM-89, v. 2.0

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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: 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: 2020
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 are...
Resource Identifiers: DGM-146

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Published: 2020
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 are...
Resource Identifiers: DGM-145

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Published: 2020
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 are...
Resource Identifiers: DGM-147

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Published: 2020
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 are...
Resource Identifiers: DGM-148

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Published: 2020
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: 2020
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: 2020
Geologic map at 1:24,000 map scale of the surficial geology of the Armenta Well and part of the Gunsight 7.5' topographic quadrangles.
Resource Identifiers: DGM-72

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Published: 2020
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: 2020
Structural measurements of deformation fabrics in Paleoproterozoic rocks within the map area were plotted on stereonets using Rick Allmendinger’s Stereonet software provided on his Cornell University...
Resource Identifiers: DGM-70

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Published: 2020
This report and accompanying maps describe the geology, geomorphology, and geologic hazards of the Maricopa area in western Pinal County, central Arizona. This mapping covers all of the Antelope...
Resource Identifiers: DGM-63

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Published: 2020
The Boundary Cone 7 ½' Quadrangle includes part of the Black Mountains and most of the piedmont between the Colorado River floodplain and the Black Mountains southeast of Bullhead City, Arizona...
Resource Identifiers: DGM-54

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Published: 2020
Abstract: The Flatiron Mountain 7.5' Quadrangle is located approximately 70 km (40 miles) west of downtown Phoenix, and is just north of Interstate Highway 10. The map area includes the...
Resource Identifiers: DGM-46

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Published: 2020
The bedrock geology of the map area is dominated by several sets of rock units, as follows: (1) Variably mylonitic granitic and gneissic bedrock at the north flank of the map area forms the Rincon...
Resource Identifiers: DGM-44

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Published: 2020
The Daggs Tank 7.5-minute Quadrangle is located approximately 40 miles (60 km) northwest of downtown Phoenix on the east side of Hassayampa Plain. Much of the map area consists of the western...
Resource Identifiers: DGM-39

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Published: 2020
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: 2020
This map depicts the geology of the Huachuca City 7.5' quadrangle in Cochise County, southeastern Arizona, which consists almost entirely of upper Cenozoic surficial deposits. The map area is...
Resource Identifiers: DGM-36

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