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Studies in Earth and Space Sciences
GSA Memoirs

Studies in Earth and Space Sciences

Author(s)
R. Shagam
R. Shagam
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R. B. Hargraves
R. B. Hargraves
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W. J. Morgan
W. J. Morgan
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F. B. Van Houten
F. B. Van Houten
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C. A. Burk
C. A. Burk
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H. D. Holland
H. D. Holland
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L. C. Hollister
L. C. Hollister
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Geological Society of America
Volume
132
DOI:
https://doi.org/10.1130/MEM132
Copyright:
© 1972 Geological Society of America
Geological Society of America
Attribution: You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). Noncommercial - you may not use this work for commercial purpose. No Derivative works - You may not alter, transform, or build upon this work. Sharing - Individual scientists are hereby granted permission, without fees or further requests to GSA, to use a single figure, a single table, and/or a brief paragraph of text in other subsequent works and to make unlimited photocopies of items in this journal for noncommercial use in classrooms to further education and science.
ISBN print:
9780813711324
Publication date:
January 01, 1972
Book Chapter

Eclogitic-Amphibolitic Rocks on Isla Margarita, Venezuela: A Preliminary Account

Author(s)
W. V. Maresch
W. V. Maresch
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Doi:
https://doi.org/10.1130/MEM132-p429
  • Published:
    January 01, 1972

The Mesozoic medium-grade metamorphic terrain on the eastern part of Margarita Island, Venezuela, can be divided into a lower “greenstone division” and the conformably overlying Juan Griego Group. Highly varied rocks of eclogitic affinity, mostly found in situ, occur in both units but are most common in the greenstone division. The stratigraphic distribution of eclogitic and amphibolitic lenses within the Juan Griego Group resembles that of the lithologically equivalent Caracas Group near Puerto Cabello and Caracas on the Venezuelan mainland. The greenstone division and its eclogites on Margarita are interpreted to represent an original accumulation of basic volcanic material on...

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