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Stratigraphy, Sedimentology And Paleogeography Of The Lower Cretaceous (Upper Albian) Peace River, Joli Fou And Pelican Formations, Northern Alberta, Canada, Kathleen Vannelli
Stratigraphy, Sedimentology And Paleogeography Of The Lower Cretaceous (Upper Albian) Peace River, Joli Fou And Pelican Formations, Northern Alberta, Canada, Kathleen Vannelli
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Late Albian (~ 104-101 Ma) strata in northern Alberta are assigned to the marginal-marine Paddy Member, and the marine Joli Fou, Pelican and Viking formations. Temporal relationships between these units have never been established in detail. This study shows that the marine Joli Fou mudstone forms a sheet that onlaps westward against a subaerial ridge (?forebulge); coeval fluvio-lagoonal lower Paddy strata onlap against the opposite side. The ridge crest was buried by upper Paddy strata, of Cordilleran provenance, that grade eastward into deltaic lower Pelican quartz arenites derived from the Canadian Shield. The presence of quartz arenites in the Peace …