Arizona Geological Survey Digital Geologic Maps
The Wildhorse Mountain 7 ½′ Quadrangle includes part of the central San Pedro River and flanking valley fill, as well as areas of bedrock on both sides of the valley and at the south edge of the...
Resource Identifiers: DGM-62
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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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Geological Map of the Redington 7.5’ Quadrangle, Cochise, Graham, and Pima Counties, Arizona, v. 2.0
The Redington 7 ½' Quadrangle includes part of the northern San Pedro River and flanking valley fill, as well as two areas of bedrock on the east side of the valley (Figure 1). Production of...
Resource Identifiers: DGM-60
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The Soza Canyon 7 ½′ Quadrangle includes part of the San Pedro River, flanking valley fill, and bedrock on the southwest side of the valley that forms part of the Rincon Mountains (Figure 1)....
Resource Identifiers: DGM-61
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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