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Magnitude of crustal extension in the southern Great Basin

Wernicke, Brian and Spencer, Jon E. and Burchfiel, B. Clark and Guth, Peter L. (1982) Magnitude of crustal extension in the southern Great Basin. Geology, 10 (10). pp. 499-502. ISSN 0091-7613. doi:10.1130/0091-7613(1982)10<499:MOCEIT>2.0.CO;2.

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Strike-slip faults in the southern Great Basin separate areas of Cenozoic upper crustal extension from relatively stable tectonic blocks. Linear geologic features, offset along the Garlock fault, Las Vegas Valley shear zone, and Lake Mead fault system, allow reconstruction of the southern Great Basin to a pre-extension configuration. The Sierra Nevada, Mojave Desert, Spring Mountains, and Colorado Plateau are treated as stable, unextended blocks that have moved relative to each other in response to crustal extension, with the Spring Mountains held fixed to the Mojave block. Our reconstruction indicates a minimum of 65% extension (140 km) between the southern Sierra Nevada and Colorado Plateau.

Item Type:Article
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URLURL TypeDescription<499:MOCEIT>2.0.CO;2 DOIArticle ItemReply
Wernicke, Brian0000-0002-7659-8358
Additional Information:© 1982 Geological Society of America. Manuscript received December 28, 1981; Revised manuscript received May 25, 1982; Manuscript accepted June 2, 1982. Reviewed by R. E. Anderson, R. G. Bohannon, G. A. Davis. Dietrich Roeder, and L. A. Wright. Supported by National Science Foundation Grants EAR 7913637 awarded to B. C. Burchfiel and EAR 7926346 awarded to B. C. Burchfiel and Peter Molnar.
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NSFEAR 7913637
NSFEAR 7926346
Issue or Number:10
Record Number:CaltechAUTHORS:20140716-143803082
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47272
Deposited By: Tony Diaz
Deposited On:16 Jul 2014 23:34
Last Modified:10 Nov 2021 17:37

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