About This Item

Share This Item

The AAPG/Datapages Combined Publications Database

AAPG Bulletin


Volume: 34 (1950)

Issue: 11. (November)

First Page: 2252

Last Page: 2253

Title: Source of the Oil of the 'Tar Sands' of the Athabaska River, Alberta: ABSTRACT

Author(s): T. A. Link

Article Type: Meeting abstract


The "Tar Sands" of the Athabaska River of Northern Alberta are believed to have derived their bituminous content from the underlying coral reef reservoirs of the Upper Devonian which come in contact, or near contact, with the sands at the unconformity between the Lower Cretaceous and the Upper Devonian. The sand was supplied from the pre-Cambrian Athabaska sandstone at the east on the Canadian Shield, and it is suggested that the escape of oil via fissures from the Devonian

End_Page 2252------------------------------

reefs occurred primarily during and also after deposition of the Cretaceous sands. Diagrams illustrating possible conditions are presented.

End_of_Article - Last_Page 2253------------

Copyright 1997 American Association of Petroleum Geologists