Surficial Geologic Map of the southern parts of the New River Mesa and Humboldt Mountain Quadrangles, Maricopa County, Arizona

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Author
Pearthree, P.A.
Demsey, K.A.
Issue Date
1996
Keywords
Arizona Geological Survey Open File Reports
Tertiary
Carefree
Cave Creek
Phoenix metropolitan area
Arizona
Maricopa County
Humboldt Mountain
New River Mesa
bedrock geology

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Citation
Pearthree, P.A. and Demsey, K.A., 1996, Surficial Geologic Map of the southern parts of the New River Mesa and Humboldt Mountain Quadrangles, Maricopa County, Arizona. Arizona Geological Survey Open File Report, OFR-96-26, 1 map sheet, map scale 1:24,000, 13 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
This map and report summarize the surficial geology of the southern parts of the New River Mesa and Humboldt Mountain quadrangles on the northeastern margin of the Phoenix metropolitan area. The map area is just north of Cave Creek and Carefree and is approximately 40 km northeast of Phoenix. The map area consists primarily of fairly rugged mountainous terrain, but also includes the valleys of Cave Creek and Camp Creek and the northern part of an extensive dissected bedrock pediment. The mountainous portion of the study area is underlain by Precambrian metamorphic and granitic rocks, and Tertiary basalt and sedimentary rocks. Most of the bedrock at the surface in the mountains has been weathered into hillslope colluvium, although relatively intact bedrock may be observed in gullies. Deeply weathered Precambrian granitic rocks have been eroded into a well-developed pediment at the southern margin of the mapped area. Quaternary alluvium is found primarily along the larger drainage's in the mountains and along smaller drainage's that cross the pedimented areas on the southern margin of the map area.
URI
http://hdl.handle.net/10150/631007
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
OFR-96-26
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
33.9423
South Bounding Coordinate
33.8523
West Bounding Coordinate
-112.019
East Bounding Coordinate
-111.73
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