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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Vol. 12 (1964), No. 4. (December), Pages 892-900

New Occurrences of Graptolites from the South Nahanni Region, Northwest Territories and Yukon

A. C. Lenz, D. E. Jackson

ABSTRACT

Graptolites and trilobites from the lower part of the Sunblood Formation extend the age of that unit to include Early Ordovician (Arenig). The overlying Whittaker and Delorme Formations contain all series from Middle Ordovician through Lower Devonian. The Delorme Formation has yielded early Lower Devonian (Lochkovian) graptolites, and a rich brachiopod fauna that suggests correlation with the Lower Devonian Borszczow Stage of Podolia.


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