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The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 15 (1931)

Issue: 10. (October)

First Page: 1181

Last Page: 1196

Title: Stratigraphy of Foremost, Pakowki, and Milk River Formations of Southern Plains of Alberta

Author(s): S. E. Slipper (2), H. M. Hunter (3)


The Foremost formation consists of continental material deposited during a regression of the Montana sea. Three important members are identified. The Pakowki formation is described as the marine sediments of a transgressing Montana sea. Details of local sections are given and it is shown that the sea transgressed from the southeast. The two divisions of the Milk River formation are described as the regressional deposits of the retreating Colorado sea. The upper part was derived from a land mass southwest of the area.

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