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Paleopedology, palynology, and geochronological interpretation of alluvial paleosols, Cenomanian Dunvegan formation, Alberta, Canada

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dc.contributor.author Mongrain, Jacob Raymond
dc.date.accessioned 2015-08-24T23:40:08Z
dc.date.available 2015-08-24T23:40:08Z
dc.date.issued 2006-05
dc.identifier.uri http://hdl.handle.net/11122/5847
dc.description Thesis (M.S.) University of Alaska Fairbanks, 2006 en_US
dc.description.abstract The Dunvegan Formation is a mid-Cretaceous deltaic deposit exposed in the Rocky Mountain foothills of Alberta and British Columbia along the Peace River Valley. Intrinsic features of Dunvegan Formation paleosols understood through micromorphology, geochemical, and mineralogical analysis provide a paleoclimatic interpretation of warm to cool temperate. Micromorphological and geochemical analysis lead to reconstruction of the depositional and pedogenic histories of the five primary paleosols of this study. Preserved palynomorphs of the paleosols are primarily composed of fern spores with much less abundant conifer and cycad species. The paleoclimate based on the palynomorphs is humid and ranges from cool temperate to subtropical. The overall paleoenvironmental interpretation based on both paleosols and palynology is humid cool to warm temperate. Geochronology using the ⁴⁰Ar/³⁹Ar dating method was implemented in an effort to date pedogenesis. This technique needs further refinement in order to be successful in dating paleosols. The multi-proxy approach of this study lead to a more complete interpretation of the climatic, pedogenic and depositional history and should be used in the future. en_US
dc.language.iso en_US en_US
dc.title Paleopedology, palynology, and geochronological interpretation of alluvial paleosols, Cenomanian Dunvegan formation, Alberta, Canada en_US
dc.type Thesis en_US
dc.type.degree ms en_US
dc.identifier.department Department of Geology and Geophysics en_US


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