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The AAPG/Datapages Combined Publications Database

CSPG Bulletin

Abstract


Bulletin of Canadian Petroleum Geology
Vol. 14 (1966), No. 2. (June), Pages 266-272

The Mississippian-Jurassic Unconformity Near Nordegg, Alberta

D. M. Cruden, H. A. K. Charlesworth

ABSTRACT

Bedding on either side of the Mississippian-Jurassic unconformity near Nordegg is almost parallel. Determining the angular relations between such sub-parallel surfaces is difficult. The recognition of significant, small angular discordances is made possible by setting up an approximate F-test based on an analysis of variance analogy. By following this procedure it is suggested that the Mississippian and Jurassic beds near Nordegg are separated by a 4° angular unconformity.


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