Origin and tectonic setting of Ordovician bentonites in North America: isotopic and age constraints

S. D. Samson, P. J. Patchett, J. C. Roddick, R. R. Parrish

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

Indicates that they originated from a major volcanic system. The Nd and Sr isotopic data and the U-Pb age data are consistent with the generation of the volcanic ash by anatexis of evolved continental crust. -from Authors

Original languageEnglish (US)
Pages (from-to)1175-1181
Number of pages7
JournalGeological Society of America Bulletin
Volume101
Issue number9
DOIs
StatePublished - 1989
Externally publishedYes

ASJC Scopus subject areas

  • Geology

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