[2] It is present in the northern foothills of the Canadian Rockies and the adjacent plains in northeastern British Columbia and west-central Alberta.

[4][3] North: South: The formations of the Minnes Group were deposited in marine and nonmarine environments within and adjacent to the Western Interior Seaway.

Depositional settings ranged from shallow marine to shoreline, coastal plain, deltaic, river channel, floodplain, and swamp environments.

[4] The age of the Minnes Group strata has been determined from their fossil fauna, primarily species of the bivalve Buchia.

[2][3] The Minnes Group contains natural gas reservoirs in the subsurface of the Peace River Plains and Deep Basin areas, where it is sometimes reported as "Nikanassin Formation".