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Determination of crustal structure from phase velocity of Rayleigh waves. Part I: Southern California

Press, Frank (1956) Determination of crustal structure from phase velocity of Rayleigh waves. Part I: Southern California. Geological Society of America Bulletin, 67 (12). pp. 1647-1658. ISSN 0016-7606. doi:10.1130/0016-7606(1956)67[1647:DOCSFP]2.0.CO;2. https://resolver.caltech.edu/CaltechAUTHORS:20140805-164339712

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Abstract

Local changes in crustal structure from variations of phase velocity of Rayleigh waves are deduced by utilizing the prolonged, sinusoidal trains of dispersed Rayleigh waves characteristic of long oceanic propagation paths. Crests and troughs of these waves can be traced across a triangular array of seismograph stations when the station separations are not more than a few wave lengths. Phase velocity and direction of approach can be determined for waves of a given period. By comparing observed phase velocity with an experimentally determined phase-velocity curve representative of the average continental crust local crustal thickness is obtained. Application of the method to Southern California indicates the following: (1) normal crustal thickness in the Peninsular Range Province; (2) increase of mean crustal thickness by about 50 per cent in the Sierra Nevada block; (3) significant decrease in crustal thickness, possibly as much as 50 per cent in the continental borderland.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1130/0016-7606(1956)67[1647:DOCSFP]2.0.CO;2DOIArticle
http://bulletin.geoscienceworld.org/content/67/12/1647.abstractPublisherArticle
Additional Information:Copyright © 1956, The Geological Society of America, Inc. Received January 9, 1956.
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Caltech Division of Geological Sciences756
Issue or Number:12
DOI:10.1130/0016-7606(1956)67[1647:DOCSFP]2.0.CO;2
Record Number:CaltechAUTHORS:20140805-164339712
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140805-164339712
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:48029
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:06 Aug 2014 15:17
Last Modified:10 Nov 2021 17:53

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