globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2017.08.012
论文题名:
The formation of the Alleghenian Isthmus triggered the Bashkirian glaciation: Constraints from warm-water benthic foraminifera
作者: Davydov V.I.; Cózar P.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2017
语种: 英语
英文关键词: Benthic foraminifera ; Biostratigraphy ; Isthmus ; Late Paleozoic glaciation ; Rheic gateway ; Statistical methods ; Taxonomy ; Tethys
英文摘要: The timing of the final collision of Laurentia and Gondwana as well as the disappearance of the gateway between the Rheic and Tethyan oceans are quite controversial and poorly established. Accurate constraints on the gateway closure are vitally important for the understanding of global sea-level fluctuations, ocean circulation, regional and global environments, salinity and reorganization of the thermohaline circulation in the western Tethys, the Bashkirian glacial episode and the overall decline of atmospheric CO2 concentrations. Here we present a new approach by applying warm-water benthic foraminifera (WWBF) data to precisely constrain the Rheic-Tethys gateway (RTG) closure, utilizing taxonomic and statistical methods. The link to the RTG closure and the profound biotic transformations in the oceans, sea-level, and expansion of the Gondwana ice sheet are discussed herein. The WWBF records in the studied regions constrain the timing of the RTG disappearance and support a linkage between the appearance of the Alleghenian Isthmus and the onset of the Bashkirian glaciation. © 2017 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/68147
Appears in Collections:过去全球变化的重建

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作者单位: Permian Research Institute, Boise State University, 1910 University Drive, Boise, ID 83725, USA; Kazan (Volga Region) Federal University, Kremlevskaya St., 4/5, Kazan, Tatarstan Republic, Russia; North-East Interdisciplinary Scientific Research Institute n. a. N.A., Shilo Far East Branch of the Russian Academy of Sciences, Magadan, Russia; Instituto de Geociencias (CSIC-UCM), c/ José Antonio Novais 12, 28040 Madrid, Spain

Recommended Citation:
Davydov V.I.,Cózar P.. The formation of the Alleghenian Isthmus triggered the Bashkirian glaciation: Constraints from warm-water benthic foraminifera[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2017-01-01
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