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Variations in effective elastic thickness of the North American lithosphereA technique for estimating flexural rigidity that is not limited to sedimentary basins is used here to map variations in the effective elastic thickness of the North American lithosphere. The effective elastic thickness ranges from a minimum of about 4 km in the Basin and Range Province to more than 100 km in the Precambrian core of the continent. This finding supports the idea that flexural rigidity has increased with time since the last thermal event.
Document ID
19900037355
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Bechtel, Timothy D.
(Brown Univ. Providence, RI, United States)
Forsyth, Donald W.
(Brown University Providence, RI, United States)
Sharpton, Virgil L.
(Lunar and Planetary Institute Houston, TX, United States)
Grieve, Richard A. F.
(Department of Energy Mines and Resources, Ottawa, Canada)
Date Acquired
August 14, 2013
Publication Date
February 15, 1990
Publication Information
Publication: Nature
Volume: 343
ISSN: 0028-0836
Subject Category
Geophysics
Accession Number
90A24410
Distribution Limits
Public
Copyright
Other

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