Geology and mineral resources of the Santa Catalina Mountains, southeastern Arizona: a cross-sectional approach

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Author
Force, E.R.
Affiliation
University of Arizona Center for Mineral Resources
Issue Date
1997
Keywords
core complex
minerals
Pima County
Santa Catalina Mountains
Tucson
Arizona Geological Survey Special Paper

Metadata
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Citation
Force, E.R., 1997, Geology and mineral resources of the Santa Catalina Mountains, southeastern Arizona: a cross-sectional approach. University of Arizona Center for Mineral Resources, Monograph in Mineral Resource Science, 145-p, two map plates.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
From the Abstract: "The study area, a classic metamorphic core complex, actually shows the characteristic features of such complexes only at the southern end of the range and grades into other rock assemblages to the north. The area thus affords the opportunity of analyzing the definitive components of a core complex separately. It measures about 48 by 11 km, traversing the central par t of the Santa Catalina Mountains from the Tucson basin to the San Pedro basin. The dimensions of study lend themselves to a cross-sectional approach. A supracrustal sequence 1.1 km thick consists of Middle Proterozoic Apache Group and Paleozoic rocks unconformably overlying mostly-granitic basement rocks. Units of special interest include voluminous pyroclastic rocks in the Pioneer Formation, glaciomarine rocks of Upper Proterozoic age, and ?Devonian fluvial deposits in a paleochannel on Mt. Lemmon. Laramide intrusions of roughly granodioritic composition are mostly concordant, typically inflate the supracrustal sequence about 300 m, and define three mutually exclusive large domains. The two domains characterized by Leatherwood and San Manuel intrusions show impressive heating and alteration effects, whereas the central domain characterized by Rice Peak intrusions show few such effects due apparently to multiple small intrusions."
URI
http://hdl.handle.net/10150/641989
Additional Links
https://library.azgs.arizona.edu/item/AGSP-1674495972892-618
Language
en
Series/Report no.
Arizona Geological Survey Special Paper
Rights
Reproduced here with the permission of the author, Eric R. Force, and Mark Barton, representing the Univ. of Arizona Center for Mineral Resources. F.M. Conway (24 June 2020).
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
32.5994
South Bounding Coordinate
32.247
West Bounding Coordinate
-110.929
East Bounding Coordinate
-110.619
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