Facies and the Architecture of Estuarine Tidal Bar in the Lower Cretaceous Mcmurray Formation, Central Athabasca Oil Sands, Alberta, Canada

作者: Mingming Tang , Kexin Zhang , Jixin Huang , Shuangfang Lu

DOI: 10.3390/EN12091769

关键词: ShoalGeologyFluvialChannel (geography)Oil sandsEstuaryGeochemistryCretaceousBar (unit)Facies

摘要: In this study, data obtained from the Lower Cretaceous McMurray Formation in the central Athabasca Oil Sands, northeastern Alberta, Canada, are examined and used to establish the architecture of stacked fluvial and estuarine tidal bar deposits. A total of 13 distinguishable facies (F1–F7, F8a–F8b, and F9–F13) corresponding to stacked fluvial and estuarine deposits are recognized. These facies are then reassembled into four facies associations: fluvial deposits, tidal flat, tidal bar complex, and tidal bar cap. Of these, the …

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