Surficial geology of the Middle Gila River Area, north-central Pinal County, Arizona

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Author
Huckleberry, G.
Issue Date
1993
Keywords
Arizona Geological Survey Open File Reports
Middle Gila River Area
Pinal County
Arizona
surficial geology
map
topography
geomorphology
Geology
Tertiary

Metadata
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Citation
Huckleberry, G., 1993, Surficial geology of the Middle Gila River Area, north-central Pinal County, Arizona. Arizona Geological Survey Open File Report, OFR-93-03, 5 map sheets, map scale 1:24,000, 52 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
Most of southern and western Arizona is covered with unconsolidated basin sediments that are not mapped in detail. Although these sediments have diverse physical characteristics, origins, and ages, they are generally mapped as generic units (e.g., Qal). This lack of detailed mapping is not unique to Arizona; it is estimated that 80% of the United States is still unmapped at intermediate or detailed scales (Molnia, 1992: 191). With recent developments in geologic dating techniques and improved understanding of weathering processes, there is now greater opportunity to distinguish and map unconsolidated sediments into genetic and temporal units. Recently, concerns in environmental geology have provided the impetus for surficial geologic mapping in Arizona (Demsey, 1989; Jackson, 1990; Field and Pearthree, 1991; Huckleberry, 1992a). These maps are of value to the scientific community because they provide insight into paleoenvironments and geomorphic history (Bull, 1991). More importantly, however, surficial geologic maps " ... can be applied to land-use management, assessment, and utilization, conservation of natural resources, groundwater management, and environmental protection. II (National Geological Mapping Act of 1992 (Section 2(b»). A recent example of the applied value of surficial geological mapping is the re-evaluation of flood hazards on alluvial fans (Pearthree, 1991). Surficial geology of the Middle Gila River Area, north-central Pinal County, Arizona, 5 map sheets, scale 1:24,000, with report.
URI
http://hdl.handle.net/10150/630849
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
OFR-93-03
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
33.125
South Bounding Coordinate
33
West Bounding Coordinate
-111.5
East Bounding Coordinate
-111
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