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Evidence for a Large-Scale Reorganization of Early Cambrian Continental Masses by Inertial Interchange True Polar Wander

Kirschvink, Joseph L. and Ripperdan, Robert L. and Evans, David A. (1997) Evidence for a Large-Scale Reorganization of Early Cambrian Continental Masses by Inertial Interchange True Polar Wander. Science, 277 (5325). pp. 541-545. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20130130-094917521

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Abstract

Analysis of Vendian to Cambrian paleomagnetic data shows anomalously fast rotations and latitudinal drift for all of the major continents. These motions are consistent with an Early to Middle Cambrian inertial interchange true polar wander event, during which Earth's lithosphere and mantle rotated about 90 degrees in response to an unstable distribution of the planet's moment of inertia. The proposed event produces a longitudinally constrained Cambrian paleogeography and accounts for rapid rates of continental motion during that time.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.277.5325.541 DOIUNSPECIFIED
http://www.sciencemag.org/content/277/5325/541PublisherUNSPECIFIED
ORCID:
AuthorORCID
Kirschvink, Joseph L.0000-0001-9486-6689
Additional Information:© 1997 American Association for the Advancement of Science. Received for publication 27 November 1996. Accepted for publication 9 June 1997. We thank D. L. Anderson, S. Bengtson, V. Courtillot, P. Goldreich, K. J. Peterson, and D. Prothero for discussions and R. Van der Voo and several anonymous referees for helpful comments. This work was supported by NSF grant EAR9418523 and an NSF Graduate Research Fellowship to D .A. E.
Funders:
Funding AgencyGrant Number
NSFEAR9418523
NSF Graduate Research FellowshipUNSPECIFIED
Issue or Number:5325
Record Number:CaltechAUTHORS:20130130-094917521
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130130-094917521
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36681
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Jan 2013 19:22
Last Modified:03 Mar 2020 13:01

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