Arizona Geological Survey Digital Geologic Maps
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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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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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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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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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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The White Tank Mountains are a mid-Tertiary metamorphic core complex located 65 kilometers west of
Phoenix. Bedrock is composed of Proterozoic metamorphic and plutonic rocks, two late Cretaceous to...
Resource Identifiers: DGM-14
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The study area is located ~50 km north of downtown Tucson, and is bounded by the Tortolita Mountains on the south, the Suizo Mountains on the west, and Black Mountain on the northeast. The map area...
Resource Identifiers: DGM-22
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This digital geologic map and report describes the bedrock and surficial geology of the Durham Hills 7 1/2' Quadrangle. The study area is located approximately 60 km north-west of downtown...
Resource Identifiers: DGM-19
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The Desert Peak 7-1/2' Quadrangle is located in southeastern Pinal County, and extreme northern Pima County, about 40 km northwest of Tucson, Arizona. It includes the extreme western edge of...
Resource Identifiers: DGM-20
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Abstract: This map was modified from a map originally included as part of Steve Skotnicki's Ph.D. dissertation at Arizona State University.
Purpose: Paul Knauth and his students have studied...
Resource Identifiers: DGM-27
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The geologic map of the Tortolita Mountains encompasses the Tortolita Mountains 7.5’
quadrangle plus parts of 3 adjoining 7.5’ quadrangles; Desert Peak and Marana to the west and
southwest, and...
Resource Identifiers: DGM-26
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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-15
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The Sierrita Mountains are a deeply eroded Basin and Range uplift located 60 km south
of Tucson, Arizona. The mountains consist of a rugged inselberg core range 300 m high
flanked by a bajada...
Resource Identifiers: DGM-30
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The Sierrita Mountains are a deeply eroded, ~1,000km2 Basin and Range uplift
located 60km south of Tucson, southern Arizona, USA. The Sierritas are dominated by a
35km diameter, 600m-high bajada...
Resource Identifiers: DGM-32
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Tumamoc Hill and Sentinel Peak form a group of hills at the western edge of Tucson in
southeastern Arizona, and comprise a small part of the Tucson Mountains. Sentinel Peak, also
known as A-...
Resource Identifiers: DGM-29
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The Esperanza Mill 7 ½' Quadrangle is located approximately 40 km south-southwest of
downtown Tucson, and is on the southeast flank of the Sierrita Mountains. The quadrangle
encompasses the...
Resource Identifiers: DGM-33
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The McGrew Springs 7.5' Quadrangle is located in northwestern Cochise County about 45 miles southeast of Tucson, Arizona and lies south of the town of Benson. The western portion of the map...
Resource Identifiers: DGM-35
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This geologic map of the Twin Buttes 7.5' quadrangle, located south of Tucson in southern Arizona, includes both bedrock and surficial mapping. The map shows the 2120 level in the Twin Buttes...
Resource Identifiers: DGM-31
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This map details the bedrock geology, structural geology, surficial geology, geomorphology, and geologic hazards of the Fortified Peak 7.5'quadrangle located north of Oracle Junction along the...
Resource Identifiers: DGM-18
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The Oro Valley 7.5' Quadrangle covers an area, located approximately 25 km north of downtown Tucson, that extends over much of Oro Valley and includes parts of the adjacent Tortolita Mountains...
Resource Identifiers: DGM-21
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