Paleozoic plate dynamics

D. M. Jurdy, M. Stefanick, C. R. Scotese

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

Current plate motions can be accounted for by a balance of active forces, slab pull, ridge push, and, for continental plates trench suction, with drag beneath the plate as a resistive force. If it is assumed that the same forces have acted through time, plate motions from the geometry of past plate boundaries can be reconstructed. Paleozoic reconstructions are made with paleomagnetic, tectonic, climatic, and biogeographic data. The opening and closing of the ocean between Laurentia and Gondwana 560-400 Ma is used to test dynamical models and the parameter values assumed. The dynamic models, with parameter values inferred from present rates, bracket the rates required by the reconstructions. -from Authors

Original languageEnglish (US)
Pages (from-to)17,965-17,975
JournalJournal of Geophysical Research
Volume100
Issue numberB9
DOIs
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

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