Arizona Geological Survey Digital Geologic Maps
This map depicts the bedrock and surficial geology of the Secret Pass quadrangle in the Black Mountains and Sacramento Valley, Mohave County, northwestern Arizona. The geologic mapping is original...
Resource Identifiers: DGM-130
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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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Abstract: The Flatiron Mountain 7.5' Quadrangle is located approximately 70 km (40 miles) west of downtown Phoenix, and is just north of Interstate Highway 10. The map area includes the...
Resource Identifiers: DGM-46
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The bedrock geology of the map area is dominated by several sets of rock units, as follows: (1) Variably mylonitic granitic and gneissic bedrock at the north flank of the map area forms the Rincon...
Resource Identifiers: DGM-44
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The Buckeye NW 7.5-minute Quadrangle is located approximately 35 miles (60 km) west of downtown Phoenix. The map area covers the southwestern piedmont of the White Tank Mountains which merges to the...
Resource Identifiers: DGM-37
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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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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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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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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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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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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-71
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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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Structural measurements of deformation fabrics in Paleoproterozoic rocks within the map area were plotted on stereonets using Rick Allmendinger’s Stereonet software provided on his Cornell University...
Resource Identifiers: DGM-70
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The Boundary Cone 7 ½' Quadrangle includes part of the Black Mountains and most of the piedmont
between the Colorado River floodplain and the Black Mountains southeast of Bullhead City, Arizona...
Resource Identifiers: DGM-54
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The Daggs Tank 7.5-minute Quadrangle is located approximately 40 miles (60 km) northwest of downtown Phoenix on the east side of Hassayampa Plain. Much of the map area consists of the western...
Resource Identifiers: DGM-39
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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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Geologic Map of Green Valley 7.5' Quadrangle, Pima County, Arizona, 1 sheet, map scale 1:24,000.
Resource Identifiers: DGM-141
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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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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 are...
Resource Identifiers: DGM-145
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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 are...
Resource Identifiers: DGM-146
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