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Evolution of the eastern Indian Ocean since the Late Cretaceous - Constraints from Geosat altimetryA model of the tectonic evolution of the eastern Indian Ocean from the Late Cretaceous to the present is constructed. Reinterpretations of seafloor magnetic anomalies are used to place constraints on spreading rates and the timing of major reorganizations. Vertical deflection profiles from 22 repeat cycles of Geosat altimeter data are used to determine the tectonic fabric associated with fracture zones. The Geosat data place constraints on paleospreading directions. Consideration is given to the implications of the model for the relative motions between India, Australia, and Antarctica.
Document ID
19900024579
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Royer, Jean-Yves
(Texas Univ. Austin, TX, United States)
Sandwell, David T.
(Texas, University Austin, United States)
Date Acquired
August 14, 2013
Publication Date
October 10, 1989
Publication Information
Publication: Journal of Geophysical Research
Volume: 94
ISSN: 0148-0227
Subject Category
Geophysics
Accession Number
90A11634
Funding Number(s)
CONTRACT_GRANT: NSF OCE-86-17193
CONTRACT_GRANT: NAG5-787
Distribution Limits
Public
Copyright
Other

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