(Search for iridium at the Permian-Triassic boundary at the Meishan section, Changxing, China).,Recherche de l'iridium a la limite Permien-Trias du site de Meishan, Changhsing (Republique populaire de Chine).
Details
State: Public
Version: Final published version
License: Not specified
Serval ID
serval:BIB_5D4DCD9B350A
Type
Article: article from journal or magazin.
Publication sub-type
Case report (case report): feedback on an observation with a short commentary.
Collection
Publications
Institution
Title
(Search for iridium at the Permian-Triassic boundary at the Meishan section, Changxing, China).,Recherche de l'iridium a la limite Permien-Trias du site de Meishan, Changhsing (Republique populaire de Chine).
Journal
Comptes Rendus - Academie des Sciences, Serie II
Publication state
Published
Issued date
1988
Volume
307
Pages
261-267
Language
french
Abstract
The presence of siderophile-enriched material at the Cretaceous-Tertiary boundary suggests
that the major extinctions of living species could result from cosmic catastrophes. The flnding
of the same kind of material at the Permian-Triassic boundary would be important to conflrm the
influence of cosmic phenomena on extinctions. The study of the Meishan section, in China, does not
provide any support to this view. Iridium, the best tracer of cosmic material, has not been detected
in any of the 18 samples collected around the boundary. A relation between the Permian-Triassic
extinction and a cosmic collision therefore remains hypothetical.
that the major extinctions of living species could result from cosmic catastrophes. The flnding
of the same kind of material at the Permian-Triassic boundary would be important to conflrm the
influence of cosmic phenomena on extinctions. The study of the Meishan section, in China, does not
provide any support to this view. Iridium, the best tracer of cosmic material, has not been detected
in any of the 18 samples collected around the boundary. A relation between the Permian-Triassic
extinction and a cosmic collision therefore remains hypothetical.
Keywords
End-Permian, Extinction, Meishan
Create date
26/06/2022 15:08
Last modification date
21/07/2022 7:10
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