Geologic Map of the Safford 30' x 60' Quadrangle, Graham and Greenlee Counties, Arizona, Grant and Hidalgo Counties, New Mexico

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Author
Pearthree, Philip A.
Mako, Calvin A.
Gootee, Brian F.
Wilson, Tawnya C.
Youberg, Ann
Richardson, Carson A.
Affiliation
Arizona Geological Survey
Issue Date
2025
Keywords
igneous rocks
Paleoproterozoic
Mesoproterozoic
metamorphic rocks
Cretaceous
Paleogene
Laramide Orogeny
basin deposits
surficial deposits
Quaternary

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Citation
Pearthree, P.A., Mako, C.A., Gootee, B.F., Wilson, T.C., Youberg, A., and Richardson, C.A., 2025, Geologic Map of the Safford 30' x 60' Quadrangle, Graham and Greenlee Counties, Arizona, Grant and Hidalgo Counties, New Mexico, DGM-295
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
The Safford 1:100,000-scale quadrangle encompasses a broad swath of diverse geology in the Mexican Highland subsection of the Arizona Basin and Range Province in southeastern Arizona. The geology within the quadrangle is diverse, including Paleoproterozoic and Mesoproterozoic metamorphic and igneous rocks, Cretaceous to Paleogene (Laramide) intrusive and volcanic rocks, Neogene volcanic rocks, intrusive rocks and basin deposits, and extensive Quaternary surficial deposits cover much of the map area.The quadrangle includes the growing community of Safford (about 10,000 people) and numerous smaller communities. The Safford Mine in the northern part of the quadrangle is an open-pit mine operated by Freeport-McMoran, extracting primarily copper from the San Juan, Dos Pobres, and Lone Star ore bodies. Deposits of the Gila River supply abundant, high-quality aggregate for the region.A variety of published map data was utilized to construct this Safford 1:100,000-scale quadrangle. Substantial portions of the quadrangle had been mapped previously at 1:24,000 or 1:48,000 scale by geologists with the Arizona Geological Survey or the U.S. Geological Survey. In these areas, the large-scale mapping was generalized and modestly reinterpreted. Other parts of the quadrangle had been mapped at smaller scale by U.S. Geological Survey geologists. This mapping was used for the bedrock compilation, but surficial and basin deposits were remapped as the current map was developed. This geologic map was funded in part by the U.S. Geological Survey National Cooperative Geological Mapping Program under STATEMAP award G23AC00556. The views and conclusion obtained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government.
URI
http://hdl.handle.net/10150/679108
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
DGM-295
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Documents Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
North Bounding Coordinate
33.012018
South Bounding Coordinate
32.488082
West Bounding Coordinate
-110.005571
East Bounding Coordinate
-108.988795
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