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Title:
A unique geochemical record at the Permian/Triassic boundary
Authors:
Holser, William T.; Schoenlaub, Hans-Peter; Klein, Peter; Attrep, Moses, Jr.; Boeckelmann, Klaus
Affiliation:
AA(Oregon, University, Eugene), AB(Geologische Bundesanstalt, Vienna, Austria), AC(Geologische Bundesanstalt, Vienna, Austria), AD(Los Alamos National Laboratory, NM), AE(Berlin, Technische Universitaet, Federal Republic of Germany)
Publication:
Nature (ISSN 0028-0836), vol. 337, Jan. 5, 1989, p. 39-44. Research supported by FFWF, NSF, Geologische Bundesanstalt, NASA, DOE, and Weizmann Institute of Science. (Nature Homepage)
Publication Date:
01/1989
Category:
Geophysics
Origin:
STI
NASA/STI Keywords:
Abundance, Geochemistry, Geochronology, Isotope Effect, Paleontology, Austria, Carbon Isotopes, Iridium, Oxygen Isotopes, Petrography
DOI:
10.1038/337039a0
Bibliographic Code:
1989Natur.337...39H

Abstract

A 330-m core drilled through the marine Permian/Triassic boundary in the Austrian Carnic Alps has been used to make closely correlated studies of geochemistry, petrography, and paleontology across that boundary. The isotope shifts and metal concentrations are found to be extended, multiple, and complex, and do not resemble those seen at the Cretaceous/Tertiary boundary. Both the carbon isotope shifts and the chemical events, including an iridium anomaly, may have causes related to a major regression of the sea.
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