Arizona Geological Survey Digital Geologic Maps


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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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Published: 2001
The Mescal quadrangle straddles the divide between the Tucson basin to the west and the San Pedro Basin to the east. The region is dominated by Late Tertiary basin-fill deposits that form the low...
Resource Identifiers: DGM-09

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Published: 2002
The Buckeye Hills are located approximately 30-40 km west-southwest of Phoenix, Arizona, directly south of the Town of Buckeye (see figure 1). Regionally, the Buckeye Hills are sandwiched between...
Resource Identifiers: DGM-16

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Published: 2002
As part of the mid-Tertiary Boot Heel volcanic field, the southern Peloncillo Mountains provide a wonderful opportunity to study to Oligocene cauldron structures, intracaldera and extracaldera...
Resource Identifiers: DGM-25

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Published: 2002
The Sierra Ancha are a series of high plateaus, mesas, and ridges that extend from Theodore Roosevelt Lake in the south to the Mogollon Rim on the north. The southern margin is in some paces a...
Resource Identifiers: DGM-24

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