Geologic Map of the Painted Rock Mountains, Maricopa County, Arizona, scale 1:24,000.

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Author
Skotnicki, S.J.
Issue Date
1993
Keywords
Arizona Geological Survey Open File Reports
Miocene
Butterfield Stage Route
Arizona
Maricopa County
Painted Rock Mountains
granitic pluton
felsic volcanic rock
map
Geology

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Citation
Skotnicki, S.J., 1993, Geologic Map of the Painted Rock Mountains, Maricopa County, Arizona, scale 1:24,000.. Arizona Geological Survey Open File Report, OFR-93-07, 1 map sheet, map scale 1:24,000, 5 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
The Painted Rock Mountains are about 15 miles west of the town of Gila Bend in southwestern Maricopa County, Arizona (Fig. 1). The narrow north-south trending mountain range is approximately 12 miles long and 2 to 4 miles wide. The range is easily accessible by use of the paved Painted Rock Road which crosses the historic Butterfield Stage Route (once the Gila Trail and the route followed by the Mormon Battalion in 1846), and extends northward to Painted Rock Dam. The study area encompasses parts of the following 1:24,000 scale U.S. Geological Survey topographic maps: Citrus Valley West, Theba, Dendora Valley, and Sentinel NE. Bedrock consists mostly of Miocene intermediate to felsic volcanic rock that has been intruded by a granitic pluton and is overlain by basalt (plate 1; Fig. 2). Field work during February and March, 1993, coincided with filling of the Painted Rock Reservoir to peak capacity and overflow of the spillway (the first time since the dam was constructed). The high water level is marked on Plate 1. The nomenclature for the rock descriptions was adopted and modified from both the U.S. Army Corps of Engineers Painted Rock Dam 1987 Red Book report and U.S. Geological Survey Open-File Report 87-347. This project was jointly funded by the Arizona Geological Survey and the U.S. Geological Survey COGEOMAP program, contract #1434-92-A-1061.
URI
http://hdl.handle.net/10150/630945
Additional Links
https://library.azgs.arizona.edu/item/AOFR-1552431429652-626
Language
en
Series/Report no.
OFR-93-07
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
33.0062
South Bounding Coordinate
32.9019
West Bounding Coordinate
-113.072
East Bounding Coordinate
-112.981
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