Geology of the Cholla Tank and northern third of the Hoodoo Well quadrangles, northern Kofa Mountains, Yuma and La Paz Counties, Arizona v. 2.0

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Author
Skotnicki, S.J.
Ferguson, C.A.
Issue Date
2022
Keywords
Arizona Geological Survey Open File Reports
Miocene
Quaternary
Little Horn Mountains
Arizona
Kofa Mountain
Hoodoo Well quadrangle
Cholla Tank
La Paz County
Yuma County

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Citation
Skotnicki, S.J. and Ferguson, C.A., 1996, Geology of the Cholla Tank and northern third of the Hoodoo Well quadrangles, northern Kofa Mountains, Yuma and La Paz Counties, Arizona. Arizona Geological Survey Open File Report, OFR-96-24, 1 map sheet, map scale 1:24,000, 14 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
This study encompasses the western-most end of the Little Horn Mountains and the northeast end of the Kofa Mountains. Although relief in the area is less than 2000 feet, with elevations ranging from about 1500 feet in the northeast corner to 3348 feet at New Water (the peak west of Red Rock Pass), both ranges are extremely rugged. The physiography of the area is dominated by high basalt mesas flanked by steep-sided talus slopes. This is a very dry region in which saguaro, palo verde and ocotillo are abundant and separated by land largely devoid of low brush. Abundant older Quaternary surfaces (Late Pleistocene and older) and talus deposits mantling dark basalt mesas all contain abundant basalt clasts covered with dark desert varnish. This abundant varnish gives the area a very dark, charred appearance. Desert pavements are well-developed on older surfaces.
URI
http://hdl.handle.net/10150/630978
Additional Links
https://library.azgs.arizona.edu/item/ADGM-1669153529907-905
Language
en
Series/Report no.
DGM-159
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
33.5
South Bounding Coordinate
33.345
West Bounding Coordinate
-113.87
East Bounding Coordinate
-113.75
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