Arizona Geological Survey Digital Geologic Maps


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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: 2009
The Saint David 7½' Quadrangle is located approximately 55 miles (88 km) west of downtown Tucson. The map area encompasses the town of Saint David, a portion of the San Pedro River corridor,...
Resource Identifiers: DGM-48

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Published: 2009
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

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Published: 2009
This map depicts the geology of the Land 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 piedmont...
Resource Identifiers: DGM-49

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Published: 2009
The Fairbank map area is dominated by an Upper Cretaceous plutonic-volcanic complex that is closely associated with silver-rich, porphyry ore deposits of the Tombstone district (Goodale, 1927; Butler...
Resource Identifiers: DGM-50

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Published: 2009
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: 2009
The Lookout Mountain 7½' Quadrangle includes part of the San Pedro River lowlands, flanking valley fill, and bedrock on the west side of the valley that forms the eastern Black Hills and...
Resource Identifiers: DGM-66, v. 2.0

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Published: 2009
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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Published: 2009
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: 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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Published: 2010
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: 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: 2011
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. 1.0

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Published: 2011
Geologic map of largely Quaternary eolian and fluvial deposits of the Yuma East 7.5 quadrangle map, Yuma County, Arizona.
Resource Identifiers: DGM-86, v. 1.0

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Published: 2011
The map area is comprised entirely of late Cenozoic sediments. The map area can be divided into two geomorphic settings. The NW half of the quadrangle includes Yuma Valley and consists of Holocene...
Resource Identifiers: DGM-88 v.1.0

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Published: 2011
Chino Valley North 7 ½' Quadrangle covers portions of Big Chino Valley and Chino Valley and the uppermost reach of the Verde River, and includes the towns of Chino Valley and southern Paulden....
Resource Identifiers: DGM-80

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Published: 2012
This geologic map covers part of Yuma Mesa and the Yuma Desert in Yuma County, southeast of Yuma and east of the Colorado River. The Yuma SE quadrangle is entirely covered by late Cenozoic surficial...
Resource Identifiers: DGM-87, v1.0

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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: 2012
Bedrock and surficial mapping of the Middle Water Spring 7.5' quadrangle, Mohave County, Arizona.
Resource Identifiers: DGM-96

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Published: 2012
The Jerome Canyon 7 1/2' quadrangle of central Arizona is underlain by Paleoproterozoic granite and metamorphic rocks, Oligo-Miocene volcanics, and upper Cenozoic silt, sand and conglomerate...
Resource Identifiers: DGM-94

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