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Research ArticleArticles

Geochemistry and origin of metamorphosed mafic rocks from the Lower Paleozoic Moretown and Cram Hill Formations of North-Central Vermont: Delamination magmatism in the western New England appalachians

Raymond Coish, Jonathan Kim, Evan Twelker, Scott Zolkos and Gregory Walsh
American Journal of Science November 2015, 315 (9) 809-845; DOI: https://doi.org/10.2475/09.2015.02
Raymond Coish
* Geology Department, Middlebury College, Middlebury, Vermont 05753
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  • For correspondence: coish@middlebury.edu
Jonathan Kim
** Vermont Geological Survey, 1 National Life Drive, Main 2, Montpelier, Vermont 05620
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Evan Twelker
* Geology Department, Middlebury College, Middlebury, Vermont 05753
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Scott Zolkos
* Geology Department, Middlebury College, Middlebury, Vermont 05753
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Gregory Walsh
*** US Geological Survey, 87 State Street, Montpelier, Vermont 05602
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American Journal of Science: 315 (9)
American Journal of Science
Vol. 315, Issue 9
1 Nov 2015
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Geochemistry and origin of metamorphosed mafic rocks from the Lower Paleozoic Moretown and Cram Hill Formations of North-Central Vermont: Delamination magmatism in the western New England appalachians
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Geochemistry and origin of metamorphosed mafic rocks from the Lower Paleozoic Moretown and Cram Hill Formations of North-Central Vermont: Delamination magmatism in the western New England appalachians
Raymond Coish, Jonathan Kim, Evan Twelker, Scott Zolkos, Gregory Walsh
American Journal of Science Nov 2015, 315 (9) 809-845; DOI: 10.2475/09.2015.02

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Geochemistry and origin of metamorphosed mafic rocks from the Lower Paleozoic Moretown and Cram Hill Formations of North-Central Vermont: Delamination magmatism in the western New England appalachians
Raymond Coish, Jonathan Kim, Evan Twelker, Scott Zolkos, Gregory Walsh
American Journal of Science Nov 2015, 315 (9) 809-845; DOI: 10.2475/09.2015.02
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  • Article
    • Abstract
    • INTRODUCTION
    • REGIONAL GEOLOGICAL CONTEXT
    • GEOLOGICAL SETTING AND STRATIGRAPHY
    • STRUCTURAL GEOLOGY AND METAMORPHISM
    • FIELD RELATIONSHIPS OF THE MAFIC ROCKS
    • AGE INFORMATION
    • PETROGRAPHY
    • GEOCHEMISTRY
    • ORIGIN OF THE MAFIC ROCKS
    • TECTONIC IMPLICATIONS
    • CONCLUSIONS
    • ACKNOWLEDGMENTS
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Keywords

  • Appalachians
  • Vermont
  • delamination
  • Geochemistry
  • mafic rocks
  • Moretown Formation

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