Published June 26, 2017
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FIG. 22 in Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin
Authors/Creators
- 1. Division of Paleontology, American Museum of Natural History
- 2. Department of Earth Sciences, University of Western Ontario, London, Ontario IREK WALASZCZYK Faculty of Geology, University of Warsaw, Warszawa, Poland
Description
FIG. 22. Offshore facies typical of the Muskiki Member. A. Weakly bioturbated (BI 0-1) cm-scale beds of very fine-grained sandstone interstratified with mudstone forming an upward-coarsening succession culminating at flooding surface CS4. The rusty-weathering colour is typical of this facies and is due to abundant disseminated pyrite. Overlying rock comprises weakly bioturbated mudstone with mm-scale siltstone interbeds. Example: "Brown Creek" section (fig. 6, 11–19 m). B. Stratified mudstone (BI 1-2) with mm-scale coarse siltstone interbeds and abundant, dispersed siderite nodules; scale bar = 20 cm. Example: Oldfort Creek (fig. 10, 42–46 m). C. Heavily bioturbated (BI 4-5) sandy siltstone with dispersed siderite nodules. Example: Oldfort Creek (fig. 10, 49–52 m).
Notes
Published as part of Landman, Neil H., Plint, A. Guy & Walaszczyk, Ireneusz, 2017, Allostratigraphy And Biostratigraphy Of The Upper Cretaceous (Coniacian-Santonian) Western Canada Foreland Basin, pp. 1-173 in Bulletin of the American Museum of Natural History 2017 (414) on page 32, DOI: 10.1206/0003-0090-414.1.1, http://zenodo.org/record/12778552
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