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The Manitoba Escarpment

East boundary of Sask. PlainSeperates Manitoba Plain

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The Manitoba Escarpment

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    1. The Manitoba Escarpment By: Riley Cram

    2. East boundary of Sask. Plain Seperates Manitoba Plain & Sask. Plain Sask Plain 800m-275m, MB Plain 430m-235 Escarpment drops to MB Plain Cretaceous Rocks 675km Length; Pasquia Hills to Pembina Mtn What is the Manitoba Escarpment?

    5. Interrupted by broad valleys (Assiniboine & Valley rivers) E. Sask Plain form a series of Uplands What is the Manitoba Escarpment?

    7. 60 mya (Tertiary Times) Branching system of large & small rivers Ancestral (preglacial) MB Plain Ancestral Assinniboine & Valley rivers Escarpment at about its Present location Pleistocene ice sheets modified greatly in appearance and drainage Formation

    9. Pleistocene Glaciation

    13. Large deltas from stagnating ice Alluvial fans along base Hummocky topography Glacial till deposits up to 260m thickness Steep Eastern face Results

    14. It has come to be appreciated that, by virtue of its isolation and the continuity and kind of exposures found, the Manitoba escarpment is of fundamental importance to an understanding of the stratigraphic-structural configuration and depositional history of the Western interior basin as a whole. Conclusions

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