Arizona Geological Survey Digital Geologic Maps


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Published: 2019
This report, accompanying maps and GIS data describe the surficial geology, geomorphology, and geologic hazards of the rapidly developing Amado-Tubac area, south of the Green Valley area. The...
Resource Identifiers: DGM-13

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Published: 2000
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...
Resource Identifiers: DGM-01

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Published: 2020
A 1:24,000 scale map showing the geology of the West of Avra 7.5' quadrangle. The map focus is Quaternary-age basin fill deposits. Supplemental_Information: Research supported by the...
Resource Identifiers: DGM-05

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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
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: 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: 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 study area is located ~40 km southeast of downtown Tucson, and is bounded by the Rincon Mountains on the north, the Empire Mountains on the southwest, and the Whetstone Mountains on the...
Resource Identifiers: DGM-10

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Published: 2020
The rocks exposed in this study area represent the eastern-most exposures of the Roskruge Mountains, themselves part of a long chain of low ridges and hills extending as far north as the Silverbell...
Resource Identifiers: DGM-06

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Published: 2018
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 v2.0

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Published: 2018
The Clark Ranch 7½' Quadrangle and the western half of the Rhodes Peak 7½' Quadrangle include part of the San Pedro River, flanking valley fill, and bedrock on the east side of the valley...
Resource Identifiers: DGM-68 v2.0

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Published: 2018
This map depicts the geology of the Hereford and the northern part of the Stark 7 ½' quadrangles, which are located in the upper San Pedro Valley north of the U.S. - Mexico border. The...
Resource Identifiers: DGM-57 v3.0

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Published: 2018
The geology of the Davis Dam SE quadrangle reflects the complex interplay of the Colorado River and piedmont drainages that flow from the Black Mountains to join the river. The history of the...
Resource Identifiers: DGM-45

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Published: 2018
The Needles NE 7 ½' Quadrangle includes the modern and historical floodplain of the Colorado River and the lower piedmont between the river and the Black Mountains to the east. This quadrangle...
Resource Identifiers: DGM-53 v2.0

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Published: 2018
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: 2018
Star Well 7.5-minute quadrangle is located approximately 50 miles northwest of Phoenix and approximately 30 south of Wickenburg, in the Hassayampa Plain, northwestern Maricopa County, Arizona. Most...
Resource Identifiers: DGM-42

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Published: 2018
Bedrock and surficial mapping of the Middle Water Spring 7.5' quadrangle, Mohave County, Arizona. . Revised and re-released with funding from the USGS National Geological and Geophysical Data...
Resource Identifiers: DGM-96

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Published: 2018
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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