Surficial geology of the Superstition Mountain Piedmont Area, northern Pinal and eastern Maricopa Counties, Arizona
Issue Date
1993-09-01Keywords
Arizona Geological Survey Open File ReportsSuperstiton Mountains
Pinal County
Maricopa County
Arizona
alluvial fan
geologic hazards
surficial deposits
piedmont
surficial geologyGeologyQueen CreekPhoenix BasinApache JunctionGilbertChandlerFlorence NEMagmaFlorence JunctionWeavers NeedleGoldfieldSuperstition MountainsCOGEOMAPrelative geochronology
Metadata
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Huckleberry, G., 1993, Surficial geology of the Superstition Mountain Piedmont Area, northern Pinal and eastern Maricopa Counties, Arizona. Arizona Geological Survey Open File Report, OFR-93-15, 6 map sheet, map scale 1:24,000, 33 p.Publisher
Arizona Geological Survey (Tucson, AZ)Description
One of the fastest growing areas of Arizona is the eastern part of the Phoenix Basin near the communities of Chandler, Gilbert, Mesa, and Apache Junction. Much of this development has occurred on the piedmont near the base of the mountains where little of the surficial geology has ever been mapped. Because this area of the Phoenix Basin will continue to grow in the future, there is a need to understand the nature and distribution of surficial deposits. Surficial geologic mapping provides a spatial data base for assessing potential geologic hazards (pearthree, 1991), for defining important groundwater recharge zones, and for analyzing the physical characteristics of surface deposits for excavation purposes. Such mapping is also valuable to earth scientists who are interested in defining the links between landscape evolution and climate change (Bull, 1991). This report presents the results of surficial geologic mapping in the eastern margins of the Phoenix Basin including the Superstition Mountain piedmont and Queen Creek alluvial fan (Figure 1). The region mapped is contained within the Florence Junction, Florence NE, Goldfield, Magma, and Superstition Mountains SW quadrangles (1:24,000), and part of the Weavers Needle quadrangle (1:24,000). This area contains a variety of landscape elements including steep mountain slopes, pediments, and alluvial fans. Included within this report is a discussion of the origins of pediments and an analysis of streamflow processes on the Queen Creek fan. (33 pages; 6 map sheets, map scale 1:24,000)Additional Links
http://repository.azgs.az.gov/uri_gin/azgs/dlio/288Language
enSeries/Report no.
OFR-93-15Rights
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
33.8522South Bounding Coordinate
32.9534West Bounding Coordinate
-111.621East Bounding Coordinate
-110.676Collections
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