Surficial geology of the Superstition Mountain Piedmont Area, northern Pinal and eastern Maricopa Counties, Arizona
Dataset Identification:
Resource Abstract:
One of the fastest growing areas of Arizona is the eastern part of the PhoenixBasin near the communities of Chandler, Gilbert,
Mesa, and Apache Junction. Much ofthis development has occurred on the piedmont near the base of the mountains where littleof
the surficial geology has ever been mapped. Because this area of the Phoenix Basin willcontinue to grow in the future, there
is a need to understand the nature and distribution ofsurficial deposits. Surficial geologic mapping provides a spatial data
base for assessingpotential geologic hazards (pearthree, 1991), for defining important groundwater rechargezones, and for
analyzing the physical characteristics of surface deposits for excavationpurposes. Such mapping is also valuable to earth
scientists who are interested in definingthe links between landscape evolution and climate change (Bull, 1991).This report
presents the results of surficial geologic mapping in the eastern marginsof the Phoenix Basin including the Superstition Mountain
piedmont and Queen Creekalluvial 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 oflandscape elements including steep mountain slopes, pediments, and alluvial fans.Included within
this report is a discussion of the origins of pediments and an analysis ofstreamflow processes on the Queen Creek fan. ( 33
pages; 6 map sheets, map scale 1:24,000)
Citation
Title Surficial geology of the Superstition Mountain Piedmont Area, northern Pinal and eastern Maricopa Counties, Arizona
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Metadata contact
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pointOfContact
individual Name Missing
organisation Name
Arizona Geological Survey
position Name missing
Contact information
Telephone
Voice 520.770.3500
Fax 520.770.3505
Address
416 W. Congress, Ste # 100, Tucson, AZ, 85701-1381
Country USA