Geologic map of the Clark Ranch 7 ½’ Quadrangle and the west half of the Rhodes Peak 7 ½’ Quadrangle, Pinal and Graham Counties, Arizona v2.0

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Author
Gootee, B.F.
Spencer, J.E.
Ferguson, C.A.
Richard, S.M.
Cook, J.P.
MacFarlane, B.J.
Affiliation
Arizona Geological Survey
Issue Date
2018-09
Keywords
Arizona Geological Survey Digital Geologic Map
Bolsa Quartzite
Pinal Schist
Mescal Limestone
Clark Ranch
Graham County
Paleozoic
Laramide
Proterozoic
Quaternary

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Citation
Gootee, B.F., Spencer, J.E., Ferguson, C.A., Richard, S.M., Cook, J.P., and MacFarlane, B.J., 2018, Geologic Map of the Clark Ranch 7½ ’ Quadrangle and west half of the Rhodes Peak 7 ½ ’ Quadrangle, Pinal and Graham Counties, Arizona: Arizona Geological Survey Digital Geologic Map 68 (DGM-68), version 2.0, 1 sheet, sc ale 1:24,000, with text
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
The Clark Ranch 7½' Quadrangle and the western half of the Rhodes Peak 7½' Quadrangle include part of the San Pedro River, flanking valley fill, and bedrock on the east side of the valley that forms part of the Galiuro Mountains range front (Fig. 1). Production of this new geologic map continues the Arizona Geological Survey mapping program of the San Pedro River valley. This mapping was done under the joint State-Federal STATEMAP program, as specified in the National Geologic Mapping Act of 1992, and was jointly funded by the Arizona Geological Survey and the U.S. Geological Survey under STATEMAP Program Contract award number 07HQAG0110. Mapping was compiled digitally using ESRI ArcGIS software. Parts of the Clark Ranch and Rhodes Peak Quadrangles were mapped previously by Creasey et al. (1961), Dickinson (1987, 1991, 1998), Marsh (2001), and Skotnicki (undated)). Studies of Cenozoic sedimentary strata in the Clark Ranch 7½' Quadrangle include those by Blake (1902, 1903), Bollaert (1952, 1953, 1962), Heindl (1963), Agenbroad (1967), Krieger et al. (1974), Ladd (1975), Scarborough and Wilt (1979), Utley (1980), Lindsay (1984), Dickinson (1988), Shenk (1990), and Dickinson (2003). The regional geochronology of the Oligo-Miocene volcanic rocks is outlined by Dickinson and Shafiqullah (1989). Studies of the Copper Canyon mineral district include those by Marsh (2001), Creasey et al., (1981), Guthrie (1994), Guthrie and Moore (1978), Hausen et al. (1988), Walker (1979) and Eichenlaub and Seedorff (2008).
URI
http://hdl.handle.net/10150/631076
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
DGM-68 v2.0
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Documents 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
32.75
South Bounding Coordinate
32.625
West Bounding Coordinate
-110.625
East Bounding Coordinate
-110.43
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