globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.05.009
论文题名:
Revised correlation of the Frasnian-Famennian boundary and Kellwasser Events (Upper Devonian) in shallow marine paleoenvironments of New York State
作者: Bush A.M.; Csonka J.D.; DiRenzo G.V.; Over D.J.; Beard J.A.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 433
起始页码: 233
结束页码: 246
语种: 英语
英文关键词: Appalachian Basin ; Black shale ; Chemung ; Late Devonian ; Mass extinction ; Pennsylvania
英文摘要: The Frasnian-Famennian boundary (Upper Devonian) is exposed in a 200. km-long outcrop belt in New York State, with deeper paleoenvironments to the west and shallower ones to the east. Geochronology in the eastern end of the outcrop belt has been based primarily on lithostratigraphic correlation with western sections, which were dated using conodonts. We collected conodonts and brachiopods from several measured sections and numerous other localities, and these collections suggest that these east-west lithostratigraphic correlations require revision. We correlate the Wiscoy Formation with the upper Angola Formation and the Canaseraga with the upper Hanover. Thus, the Canaseraga Formation contains the Frasnian-Famennian boundary and Upper Kellwasser Event, and the dark shale above the Wiscoy is equivalent to the Pipe Creek Formation and Lower Kellwasser Event. These new correlations imply that the Lower Kellwasser Event had greater impact on the shelly benthos of New York than the Upper Kellwasser, at least for the subset of taxa examined here. All strophomenid brachiopods and rugose corals were extirpated at the Lower Kellwasser, along with numerous other brachiopods. The final species of atrypid brachiopod persisted to the Upper Kellwasser. © 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/69118
Appears in Collections:过去全球变化的重建

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作者单位: Department of Ecology and Evolutionary Biology, University of Connecticut, 75 North Eagleville Road, U-3043, Storrs, CT, United States; Center for Integrative Geosciences, University of Connecticut, 354 Mansfield Road, U-1045, Storrs, CT, United States; Department of Geological Sciences, SUNY College at Geneseo, Geneseo, NY, United States; Department of Biology, University of Maryland, 4219 Biology�Psychology Building, College Park, MD, United States

Recommended Citation:
Bush A.M.,Csonka J.D.,DiRenzo G.V.,et al. Revised correlation of the Frasnian-Famennian boundary and Kellwasser Events (Upper Devonian) in shallow marine paleoenvironments of New York State[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,433
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