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Integrated geophysical studies of co...

University of Houston.

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Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults./
Author:	Bundalo, Neda.
Description:	276 p.
Notes:	Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 5818.
Contained By:	Dissertation Abstracts International68-09B.
Subject:	Geology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3279585
ISBN:	9780549206569

Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults.
Bundalo, Neda.

Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults. - 276 p.

Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 5818.

Thesis (Ph.D.)--University of Houston, 2007.

Continental transform margins are broad, complex regions dominated by strike-slip motion that mark the boundary between lithospheric plates. To better understand plate interactions at continental transforms, variations in crustal and upper mantle structure along the San Andreas transform margin have been investigated using gravity, magnetic and seismic data.

ISBN: 9780549206569Subjects--Topical Terms:

516570
Geology.

Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults.
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020 $a 9780549206569
035 $a (UMI)AAI3279585
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100 1 $a Bundalo, Neda. $3 1020464
245 1 0 $a Integrated geophysical studies of continental transforms: San Andreas and Alpine Faults.
300 $a 276 p.
500 $a Source: Dissertation Abstracts International, Volume: 68-09, Section: B, page: 5818.
502 $a Thesis (Ph.D.)--University of Houston, 2007.
520 $a Continental transform margins are broad, complex regions dominated by strike-slip motion that mark the boundary between lithospheric plates. To better understand plate interactions at continental transforms, variations in crustal and upper mantle structure along the San Andreas transform margin have been investigated using gravity, magnetic and seismic data.
520 $a Two-dimensional (2D) and three-dimensional (3D) gravity models have been constructed to analyze the distribution of density along the plate margin. In addition, analyses of gravity and magnetic anomalies and their enhancements have been used to map the spatial distribution of tectonics blocks involved in the development of the transform margin.
520 $a In northern and central California, 2D gravity models constrained by regional seismic reflection and refraction data profiles have been developed. In southern California, the distribution of crustal elements is such that a 3D modeling approach is more appropriate. The 3D gravity model was constructed using the geometry of the Southern California Earthquake Center 3D seismic velocity model version 3. For both types of gravity models, density values were obtained from seismic P-wave density conversions.
520 $a For northern and central California, results of this study are consistent with evolutionary models that assume no remnant subducted Farallon slab beneath North America. In particular, the results agree well with the predictions of the dynamic slab model that assume magmatic underplating and metamorphic changes in lower crust.
520 $a For southern California, the 3D gravity model, and distribution of gravity and magnetic anomalies are consistent with a plate capture model during the early stages of plate boundary development. Residuals in the 3D gravity model of the crust and uppermost mantle, however, suggest that the recent development has been more complicated. Spatially coherent residual gravity highs indicate a high density body at depths > 50 km beneath the San Gabriel Mountains that is interpreted to be lithospheric mantle down-welling produced during the past 5 My as a compressional component developed along the Big bend of the San Andreas fault in response changes in relative plate motion. A similar phenomenon has been observed along the oblique convergent Alpine Fault plate boundary in New Zealand.
590 $a School code: 0087.
650 4 $a Geology. $3 516570
650 4 $a Geophysics. $3 535228
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710 2 $a University of Houston. $3 1019266
773 0 $t Dissertation Abstracts International $g 68-09B.
790 $a 0087
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3279585