Arizona Geological Survey Digital Geologic Maps


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Published: 2007
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

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Published: 2014
Most of the map area is covered by sand dunes and related features of Cactus Plain. The dune field of Cactus Plain is on a low plateau formed primarily on older eroded sediments, with minor bedrock...
Resource Identifiers: DGM-108

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Published: 2014
T he Columbia and Copperopolis 7 ½ ' Quadrangle s are located approximate ly 80 km northwest of downtown Phoenix in central Arizona. The Quadrangles encompass part of the southern Bradshaw...
Resource Identifiers: DGM-109

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Published: 2012
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: 2012
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: 2012
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: 2009
The Mammoth 7½' Quadrangle includes part of the San Pedro River, flanking valley fill, and bedrock on the west side of the valley that forms the Black Hills and the northernmost tip of the...
Resource Identifiers: DGM-67

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Published: 2013
The Prescott Valley South 7 ½' Quadrangle is located east of Prescott in Yavapai County in central Arizona. New geologic mapping and map compilation for the entire quadrangle, presented here,...
Resource Identifiers: DGM-103

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Published: 2013
Geologic map and cross section of the Sullivan Buttes 7 1/2" quadrangle of central Arizona, Yavapai County.
Resource Identifiers: DGM-102

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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: 2000
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: 2000
The map area includes the Waterman Mountains and northern part of the Roskruge Mountains. These ranges are located in the Basin and Range Province of southern Arizona, and consist of groups of small...
Resource Identifiers: DGM-02

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Published: 2000
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: 2000
This report and accompanying maps describe the surficial geology, geomorphology, and geologic hazards of the rapidly developing Green Valley – Sahuarita area on the southern fringe of the Tucson...
Resource Identifiers: DGM-03

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Published: 2001
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: 2001
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 southeast, and the northernmost Santa Rita Mountains...
Resource Identifiers: DGM-12

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Published: 2001
The Mount Fagan quadrangle is located approximately 30 km southeast of downtown Tucson, and includes the northern terminus of two mountain ranges; of the Santa Rita Mountains in the center and...
Resource Identifiers: DGM-11

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Published: 2001
The Galleta Flat West quadrangle includes the northern part of the divide between the Tucson basin to the west and the San Pedro Basin to the east, and the southern part of the Little Rincon...
Resource Identifiers: DGM-08

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Published: 2001
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: 2001
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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