Abstract

Originally, continuous Mississippian-age shallow-water marine deposits extended over western Canada and parts of the Precambrian shield, but post-Mississippian--pre-Cretaceous erosion separated and isolated these rocks, leaving three distinct areas of more complete preservation: the Williston basin, southern Alberta, and northern Alberta-British Columbia. These basins have been treated independently as depositional entities; geologic, political, economic and human factors have created 'barrier boundaries' which inhibit understanding Mississippian sedimentation. This paper identifies and examines these barriers and seeks to stimulate a broader approach to the geology involved.

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