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The Cordilleran Miogeosyncline in North America

Geologic Evolution and Tectonic Nature

  • Book
  • © 1999

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Part of the book series: Lecture Notes in Earth Sciences (LNEARTH, volume 86)

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Table of contents (9 chapters)

Keywords

About this book

Steep crustal-scale faults, having their origins in the Late Archean and Early Proterozoic and trending NE-SW, which define the fundamental block lithospheric structure of the North American craton, are seen from geological and geophysical evidence to continue far into the interior of the Late Proterozoic-Phanerozoic Canadian Cordilleran mobile megabelt. This suggests that variously reworked ex-cratonic basement blocks underlie much of the Cordillera. The western edge of the modern craton is probably near the Rocky Mountain-Omineca belt boundary; the Rocky Mountain fold-and-thrust belt on the east side of the Cordillera is evidently rootless and overlies the undisturbed cratonic basement. Phanerozoic differences between the Cordilleran tectonic belts, resulting from a long, dissimilar, multi-cycle history of waxing and waning orogenesis apparent from the rock record, lie chiefly in the degree of indigenous tectonic remobilization and reworking of the ancient crust.

Bibliographic Information

  • Book Title: The Cordilleran Miogeosyncline in North America

  • Book Subtitle: Geologic Evolution and Tectonic Nature

  • Authors: Henry V. Lyatsky, Vadim B. Lyatsky

  • Series Title: Lecture Notes in Earth Sciences

  • DOI: https://doi.org/10.1007/BFb0017571

  • Publisher: Springer Berlin, Heidelberg

  • eBook Packages: Springer Book Archive

  • Copyright Information: Springer-Verlag Berlin Heidelberg 1999

  • Softcover ISBN: 978-3-540-66197-9Published: 19 August 1999

  • eBook ISBN: 978-3-540-48693-0Published: 23 November 2005

  • Series ISSN: 0930-0317

  • Series E-ISSN: 1613-2580

  • Edition Number: 1

  • Number of Pages: XX, 388

  • Number of Illustrations: 84 b/w illustrations

  • Topics: Geology, Sedimentology, Geophysics/Geodesy

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