An expanding list of reliable paleomagnetic poles for Precambrian tectonic reconstructions

David A.D. Evans, Lauri J. Pesonen, Bruce M. Eglington, Sten Åke Elming, Zheng Gong, Zheng Xiang Li, Phil J. McCausland, Joseph G. Meert, Satu Mertanen, Sergei A. Pisarevsky, Anthony F. Pivarunas, Johanna Salminen, Nicholas L. Swanson-Hysell, Trond H. Torsvik, Ricardo I.F. Trindade, Toni Veikkolainen, Shihong Zhang

Research output: Chapter in Book/Report/Conference proceedingChapter

44 Scopus citations

Abstract

We present a compilation of reliable Precambrian paleomagnetic poles from three successive international workshops (in years 2009, 2014, 2017), comprising paleomagnetists specializing in Precambrian tectonic reconstructions. The working groups compiled lists of two global classes of poles, published through the end of 2017. “Grade-A” results are judged to provide essential constraints on tectonic reconstructions; “Grade-B” poles are judged to be suggestive of high-quality, but not yet demonstrated to be primary, or perhaps lacking precise geochronologic or other constraints. Our catalog documents a resurgence of high-quality data acquisition in recent years, and highlights specific cratons and time intervals that are most lacking in the data needed to reconstruct those blocks through supercontinental cycles.

Original languageEnglish (US)
Title of host publicationAncient Supercontinents and the Paleogeography of Earth
PublisherElsevier
Pages605-639
Number of pages35
ISBN (Electronic)9780128185339
ISBN (Print)9780128185346
DOIs
StatePublished - Jan 1 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Inc. All rights reserved.

Keywords

  • database
  • paleomagnetism
  • Precambrian
  • supercontinents
  • tectonics

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