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Ross Jr, Reuben J., James, Noel P. (1987) Brachiopod biostratigraphy of the middle Ordovician Cow Head and Table Head groups, western Newfoundland. Canadian Journal of Earth Sciences, 24 (1) 70-95 doi:10.1139/e87-007

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Reference TypeJournal (article/letter/editorial)
TitleBrachiopod biostratigraphy of the middle Ordovician Cow Head and Table Head groups, western Newfoundland
JournalCanadian Journal of Earth Sciences
AuthorsRoss Jr, Reuben J.Author
James, Noel P.Author
Year1987 (January 1)Volume24
Issue1
PublisherCanadian Science Publishing
DOIdoi:10.1139/e87-007Search in ResearchGate
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Mindat Ref. ID479249Long-form Identifiermindat:1:5:479249:3
GUID0
Full ReferenceRoss Jr, Reuben J., James, Noel P. (1987) Brachiopod biostratigraphy of the middle Ordovician Cow Head and Table Head groups, western Newfoundland. Canadian Journal of Earth Sciences, 24 (1) 70-95 doi:10.1139/e87-007
Plain TextRoss Jr, Reuben J., James, Noel P. (1987) Brachiopod biostratigraphy of the middle Ordovician Cow Head and Table Head groups, western Newfoundland. Canadian Journal of Earth Sciences, 24 (1) 70-95 doi:10.1139/e87-007
In(1987, January) Canadian Journal of Earth Sciences Vol. 24 (1) Canadian Science Publishing
Abstract/Notes Brachiopods from shallow-water limestone boulders in beds 12, 13, and 14 of the allochthonous Cow Head Group belong in the earliest Whiterockian Orthidiella Zone. Brachiopods of the autochthonous intertidal to deep-water Table Head Group are equivalent to those of the younger Whiterockian Anomalorthis Zone. The Cow Head is older than the Table Head.Integration of the brachiopod data from western Newfoundland with those from the type Whiterockian in Nevada, combined with the evidence of graptolites from both areas, indicates that the Orthidiella Zone spans the Australian Castlemainian, Yapeenian, and lower Darriwilian Dal zones.


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