Geologic Map of the Western Gila Bend and Southern Eagletail Mountains, Maricopa and Yuma Counties, Arizona

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Author
Gilbert, W.G.
Laux, D.P.
Spencer, J.E.
Richard, S.M.
Issue Date
1992
Keywords
Arizona Geological Survey Open File Reports
Eagletail Mountains
Gila Bend Mountains
Yuma County
Maricopa County
bedrock geology
Paleozoic
Triassic
Jurassic
Proterozoic

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Citation
Gilbert, W.G., Laux, D.P., Spencer, J.E. and Richard, S.M., 1992Geologic Map of the Western Gila Bend and Southern Eagletail Mountains, Maricopa and Yuma Counties, Arizona. Arizona Geological Survey Open-File Report OFR-92-05, Map scale 1:24,000, 19 p .
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
The area described in this study includes the western Gila Bend and the southern Eagletail mountains, Maricopa and La paz counties, Arizona. The study area encompasses all of the Columbus Peak Quadrangle (1:24,000) and the northern part of the Hyder Northeast Quadrangle (1:24,000), and is partially within the Eagletail Mountains Wilderness Area (Fig. 1). Bedrock in this area consists largely of scattered, limited exposures of Proterozoic to Jurassic metamorphic and igneous rocks intruded by a Miocene granitoid pluton and overlain by an extensive sequence of Miocene silicic volcanic rocks and subordinate mafic and intermediate volcanic units and continental clastic rocks (plate 1). Sources of data are shown in Figure 2, rock-unit correlations and relative ages are shown in Figure 3, and map symbols are shown in Table 1.
URI
http://hdl.handle.net/10150/630716
Additional Links
https://library.azgs.arizona.edu/item/AOFR-1552428126388-589
Language
en
Series/Report no.
OFR-92-05
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Document 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
33.375
South Bounding Coordinate
33.25
West Bounding Coordinate
-113.375
East Bounding Coordinate
-113.25
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