Nd isotopes link Ouachita turbidites to Appalachian sources

J. D. Gleason, P. J. Patchett, W. R. Dickinson, J. Ruiz

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Abstract

New Nd isotopic data suggest that Paleozoic turbidites in the Ouachita fold belt (Arkansas and Oklahoma) had a dominantly Appalachian provenance after Middle Ordovician time. A long-lived sedimentary dispersal system of isotopically homogeneous detritus linked to Appalachian tectonics is inferred. By Carboniferous time, both the continental surface and the closing Ouachita trough were apparently flooded with sediment derived from the Appalachian collisional orogen. -Authors

Original languageEnglish (US)
Pages (from-to)347-350
Number of pages4
JournalGeology
Volume22
Issue number4
DOIs
StatePublished - Jan 1 1994

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ASJC Scopus subject areas

  • Geology

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