Ewing, Maurice and Press, Frank (1959) Determination of crustal structure from phase velocity of Rayleigh waves. Part III: The United States. Geological Society of America Bulletin, 70 (3). pp. 229-244. ISSN 0016-7606. https://resolver.caltech.edu/CaltechAUTHORS:20140806-123353375
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Abstract
Variations in phase velocity of Rayleigh waves from the Samoa earthquake of April 14, 1957 are reported for the United States. These variations are correlated with topography and Bouguer gravity anomaly on a continental scale, demonstrating regional iso-static compensation. The correlation of phase-velocity variations with crustal-thickness changes is justified, and permits specification of the mechanism of compensation as the regional Airy system. Regional average crustal thicknesses are: Peninsular Ranges and Southwestern Desert, 40 km; Basin and Range Province, 48 km; Rocky Mountains, 47 km; Interior Plains, 35–41 km; Appalachian Mountains, 40km.
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| Additional Information: | Copyright © 1959, The Geological Society of America, Inc. Received April 21, 1958. | |||||||||
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| Issue or Number: | 3 | |||||||||
| Record Number: | CaltechAUTHORS:20140806-123353375 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140806-123353375 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 48095 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | George Porter | |||||||||
| Deposited On: | 06 Aug 2014 21:04 | |||||||||
| Last Modified: | 03 Oct 2019 07:00 |
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