Arizona Geological Survey Digital Geologic Maps


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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: 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: 2015
The map encompasses a drainage divide that separates the Colorado River catchment from the Red Lake Playa catchment. Valleys consist of gently sloping piedmonts covered by alluvial fan and terrace...
Resource Identifiers: DGM-114

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Published: 2015
The map encompasses a drainage divide that separates the Colorado River catchment from the Red Lake Playa catchment. Valleys consist of gently sloping piedmonts covered by alluvial fan and terrace...
Resource Identifiers: DGM-113

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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: 2015
The Gene Wash 7.5' Quadrangle is located south of Lake Havasu City and includes part of Mohave and La Paz Counties of western Arizona and San Bernardino County, California. Only the Arizona part...
Resource Identifiers: DGM-110

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Published: 2007
This map depicts the geology of the Fortuna 7 ½' Quadrangle and about 2.5 square miles of the northern end of the Gila Mountains that is in the adjacent Laguna Dam, Dome, and Ligurta 7 ½'...
Resource Identifiers: DGM-55

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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: 2015
The Cross Roads 7.5 Quadrangle is situated east and NE of the town of Parker in La Paz County, western Arizona. It encompasses the Buckskin Mountains in Arizona and part of the SE flank of the...
Resource Identifiers: DGM-111

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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: 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: 2013
Quaternary geology was mapped for three 7.5 minute quadrangles in the Safford Basin, Graham County, AZ: Artesia, Safford, and Thatcher. The geologic mapping is original but informed by previous work...
Resource Identifiers: DGM-106

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Published: 2019
The Empire Ranch map area is bisected by the Davidson Canyon fault, a west-side-down normal fault zone up to 3km wide that post-dates deposition of Oligocene ignimbrites within moderately (30-45°)...
Resource Identifiers: DGM-143

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Published: 2019
Geologic Map of the Helvetia 7.5' Quadrangle, Pima County, Arizona. One sheet, map scale 1:24,000.
Resource Identifiers: DGM-144

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Published: 2019
Geologic Map of Sahuarita 7.5' Quadrangle, Pima County, Arizona, 1 sheet, map scale 1:24,000.
Resource Identifiers: DGM-142

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Published: 2019
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: 2017
Geologic map of the Oatman 7 ½' Quadrangle, Mohave County, Arizona. Includes the geodatabase with the underlying geologic data used to build the map.
Resource Identifiers: DGM-119

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Published: 2013
Quaternary geology of the Safford Basin, Graham County, Arizona, was mapped in three 7 1/2' minute quadrangles: Artesia, Safford and Thatcher. The geologic mapping is original but informed by...
Resource Identifiers: DGM-104 v.1.0

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Published: 2008
The eastern Black Canyon City 7 ½' Quadrangle and the western Squaw Creek Mesa 7 ½' Quadrangle includes the Interstate 17 corridor where it passes through Black Canyon City and Rock Springs...
Resource Identifiers: DGM-64

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Published: 2007
The Arizona Basin and Range Province consists of broad alluvial valleys that separate low but rugged mountain ranges. The broad expanses of dry alluvial deposits and ephemeral streams that...
Resource Identifiers: DGM-52

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