globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.04.026
论文题名:
Depositional and preservational environments of the Ediacara Member, Rawnsley Quartzite (South Australia): Assessment of paleoenvironmental proxies and the timing of 'ferruginization'
作者: Tarhan L.G.; Droser M.L.; Gehling J.G.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 434
起始页码: 4
结束页码: 13
语种: 英语
英文关键词: Ediacara Biota ; Ediacara Member ; Marine ; Paleoenvironment ; South Australia
英文摘要: The paleoenvironmental setting in which the Ediacara Biota lived, died and was preserved in the eponymous Ediacara Member of the Rawnsley Quartzite of South Australia is an issue of longstanding interest and recent debate. Over the past few decades, interpretations have ranged from deep marine to shelfal to intertidal to terrestrial. Here we examine the evidence in support of and against various paleoenvironmental interpretations of the fossiliferous Ediacara Member, as well as exploring in depth a range of paleoenvironmental proxies that have historically been employed in such studies. We emphasize the importance of reconciling paleoenvironmental analysis with an understanding of sedimentological processes and outline which proxies are consistent with this approach. A careful assessment of paleoenvironmental parameters is essential to the reconstruction of the depositional and early diagenetic history of the Ediacara Biota and thus the physical, chemical and biological factors that shaped the development and the fossilization of these earliest examples of complex life. We find no compelling evidence for a terrestrial setting for the Ediacara Member and strong support for a shallow marine depositional environment. © 2015 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68879
Appears in Collections:过去全球变化的重建

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作者单位: Department of Geology and Geophysics, Yale University, 210 Whitney Ave., New Haven, United States; Department of Earth Sciences, University of California-Riverside, 900 University Ave., Riverside, CA, United States; South Australian Museum, University of Adelaide, North Terrace, Adelaide, SA, Australia

Recommended Citation:
Tarhan L.G.,Droser M.L.,Gehling J.G.. Depositional and preservational environments of the Ediacara Member, Rawnsley Quartzite (South Australia): Assessment of paleoenvironmental proxies and the timing of 'ferruginization'[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,434
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