The Peach Spring Tuff, its source caldera, and implications for structural geology of the Colorado River Extensional Corridor

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Author
Ferguson, C.A.
Issue Date
2016-10-01
Keywords
Poster Publications
Proterozoic
Miocene
Tertiary
Eagle Peak
Times Gulch
Sitgreaves Pass
Black Mountains
Kingman
Oatman

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Citation
Ferguson, C.A., 2016, The Peach Spring Tuff, its source caldera, and implications for structural geology of the Colorado River Extensional Corridor. Arizona Geological Society 2016 Fall Field Trip, 29 p.
Description
The 18.8 Ma Peach Spring Tuff’s presence over nearly 20,000 km2 of the southern Basin and Range province makes it the principal strain and time marker in one of the world’s most intensively studied extensional belts (Glazner et al.,1986). After decades of intensive study however, the search for its source caldera yielded nothing. Then, during a routine, 2006 highway survey suggested and funded through the vision of ADOT geological engineer Nicolas M. Priznar. the elusive caldera was identified by Arizona Geological Survey geologists along the eastern edge of the Colorado River Extensional Corridor (CREX) near Oatman, Arizona.
URI
http://hdl.handle.net/10150/629539
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
Arizona Geological Society 2016 Fall Field Trip
Rights
Arizona Geological Society. 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
35.3062
South Bounding Coordinate
34.6491
West Bounding Coordinate
-115.14
East Bounding Coordinate
-113.673
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