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An extremely brief end Ordovician mass extinction linked to abrupt onset of glaciation

Ling, Ming-xing; Zhan, Ren-Bin; Wang, Guang-Xu; Wang, Yi; Amelin, Yuri; Tang, Peng; Liu, Jian-Bo; Jin, Jisuo; Huang, Bing; Wu, Rong-Chang; Xue, Shuo; Fu, Bin; Bennett, Victoria

Description

The end Ordovician mass extinction (EOME) was the second most severe biotic crisis in Phanerozoic, and has been widely linked to a major glaciation. However, robust geochronology of this interval is still lacking. Here we present four successive high-precision zircon UePb dates by isotope dilution thermal ionization mass spectrometry (ID-TIMS) for biostratigraphically well-constrained K-bentonites of a continuous Ordovician-Silurian boundary section at Wanhe, SW China. They include 444.65 ±...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
URI: http://hdl.handle.net/1885/206411
Source: Solid Earth Sciences
DOI: 10.1016/j.sesci.2019.11.001
Access Rights: Open Access

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