Pleistocene gravels of the Red River valley

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dc.contributor.authorOrgan, David Williamen_US
dc.date.accessioned2011-06-06T18:14:58Z
dc.date.available2011-06-06T18:14:58Z
dc.date.issued1952en_US
dc.degree.disciplineGeologyen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThis thesis is based on field and laboratory studies of several Pleistocene gravel deposits in southeastern Manitoba. The deposit near Birds Hill receives special attention. North American topography has been greatly influenced by the widespread glaciation of the Pleistocene epoch. Ice-sheets of this epoch extended over the northern part of North America in four successive advances, named in order the Nebraskan, Kansan, Illinoian and Wisconsin glacial ages. With each recession of the ice-sheets a mantle of glacial till remained, to be overridden and modified by the next age of glaciation. The drift deposited by the Wisconsin ice-sheet remains today virtually unaltered over large areas of Canada and northern United States. In Manitoba the drift is found as unmodified till, moraines, outwash deposits and lake clay deposits of glacial Lake Agassiz, which developed against the face of the retreating ice-sheet. Also remaining are the elevated beaches of glacial Lake Agassiz. The Birds Hill gravel deposit near Winnipeg is a feature unusual to the surrounding countryside. It is of interest academically as to origin, and also commercially...en_US
dc.format.extentviii, 89 p. :en_US
dc.format.extent31780461 bytes
dc.format.mimetypeapplication/pdf
dc.identifierocm72795366en_US
dc.identifier.urihttp://hdl.handle.net/1993/4717
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.rightsThe reproduction of this thesis has been made available by authority of the copyright owner solely for the purpose of private study and research, and may only be reproduced and copied as permitted by copyright laws or with express written authorization from the copyright owner.en_US
dc.titlePleistocene gravels of the Red River valleyen_US
dc.typemaster thesisen_US
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