Geologic map and report for the Theodore Roosevelt Dam area, Gila and Maricopa Counties, Arizona v.2

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Author
Spencer, J.E.
Richard, S.M.
Issue Date
2024
Keywords
alluvium
Apache Group
Apache Leap tuff
Bolsa Quartzite
conglomerate
diabase
Dripping Spring Quartzite
Fractures
Gneiss.
granitic rocks

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Citation
Spencer, J.E. and Richard, S.M., 2024, Geologic map and report for the Theodore Roosevelt Dam area, Gila and Maricopa Counties, Arizona v.2. Arizona Geological Survey Digital Geologic Map, DGM-221, 1 map sheet, map scale 1:24,000, 28 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
The Theodore Roosevelt Dam area is located approximately 90 km east of Phoenix on the southwest flank of Tonto Basin (Figure 1). The map area encompasses the southeastern end of the Mazatzal Mountains and the northern Two Bar Ridge area at the northeastern end of the Superstition Mountains. The area was mapped during November, 1997 to April, 1998, as part of a multiyear mapping program directed at producing a geologic map of the Theodore Roosevelt 30' x 60' Quadrangle. A 1 :24,000 scale map is the primary product of this study (Plate 1; Figure 2), and the accompanying report describes rock units and other geologic features and includes modal mineral analyses of granitic rocks that was done in order to classify the granitoids.
URI
http://hdl.handle.net/10150/675632
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
DGM-221
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
33.7515
South Bounding Coordinate
33.635
West Bounding Coordinate
-111.23
East Bounding Coordinate
-111.112
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