TY - JOUR
T1 - Global nickel anomaly links Siberian Traps eruptions and the latest Permian mass extinction
AU - Rampino, Michael R.
AU - Rodriguez, Sedelia
AU - Baransky, Eva
AU - Cai, Yue
N1 - Funding Information:
We thank N. Bhandari for the supplying the Spiti, India samples; J. Hanley and A. Corley for sample preparation and training of E.B. in the lab; and L. Bolge for assistance in ICP-MS analyses. Y. Miura, and M. Miono helped in the field in Japan. Conversations with Y. Eshet were helpful in interpreting the Israel section. J. Deutscher prepared the figures. The research made use of the Lamont-Doherty Earth Observatory/American Museum of Natural History ICP-MS facilities. This research was funded by a Research Challenge Grant from New York University (M.R.R), by grants from Barnard College (S.R., E.B.) and a research grant from the Climate Center (Y.C.).
Publisher Copyright:
© 2017 The Author(s).
PY - 2017/12/1
Y1 - 2017/12/1
N2 - Anomalous peaks of nickel abundance have been reported in Permian-Triassic boundary sections in China, Israel, Eastern Europe, Spitzbergen, and the Austrian Carnic Alps. New solution ICP-MS results of enhanced nickel from P-T boundary sections in Hungary, Japan, and Spiti, India suggest that the nickel anomalies at the end of the Permian were a worldwide phenomenon. We propose that the source of the nickel anomalies at the P-T boundary were Ni-rich volatiles released by the Siberian volcanism, and by coeval Ni-rich magma intrusions. The peaks in nickel abundance correlate with negative δ13C and δ18O anomalies, suggesting that explosive reactions between magma and coal during the Siberian flood-basalt eruptions released large amounts of CO2 and CH4 into the atmosphere, causing severe global warming and subsequent mass extinction. The nickel anomalies may provide a timeline in P-T boundary sections, and the timing of the peaks supports the Siberian Traps as a contributor to the latest Permian mass extinction.
AB - Anomalous peaks of nickel abundance have been reported in Permian-Triassic boundary sections in China, Israel, Eastern Europe, Spitzbergen, and the Austrian Carnic Alps. New solution ICP-MS results of enhanced nickel from P-T boundary sections in Hungary, Japan, and Spiti, India suggest that the nickel anomalies at the end of the Permian were a worldwide phenomenon. We propose that the source of the nickel anomalies at the P-T boundary were Ni-rich volatiles released by the Siberian volcanism, and by coeval Ni-rich magma intrusions. The peaks in nickel abundance correlate with negative δ13C and δ18O anomalies, suggesting that explosive reactions between magma and coal during the Siberian flood-basalt eruptions released large amounts of CO2 and CH4 into the atmosphere, causing severe global warming and subsequent mass extinction. The nickel anomalies may provide a timeline in P-T boundary sections, and the timing of the peaks supports the Siberian Traps as a contributor to the latest Permian mass extinction.
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U2 - 10.1038/s41598-017-12759-9
DO - 10.1038/s41598-017-12759-9
M3 - Article
C2 - 28963524
AN - SCOPUS:85030330779
SN - 2045-2322
VL - 7
JO - Scientific reports
JF - Scientific reports
IS - 1
M1 - 12416
ER -