PALEOMAGNETISM AND MAGNETOSTRATIGRAPHY OF THE TRAPS FROM WESTERN TAIMYR (NORTHERN SIBERIA) AND THE PERMO-TRIASSIC CRISIS
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dc.contributor.author | Gurevitch E. | |
dc.contributor.author | Khramov A.N. | |
dc.contributor.author | Westphal M. | |
dc.contributor.author | Daragan-Suchov J. | |
dc.contributor.author | Feinberg H. | |
dc.contributor.author | Pozzi J.P. | |
dc.date.accessioned | 2020-12-03T08:38:24Z | |
dc.date.available | 2020-12-03T08:38:24Z | |
dc.date.issued | 1995 | |
dc.identifier | https://elibrary.ru/item.asp?id=31083814 | |
dc.identifier.citation | Earth and Planetary Science Letters, 1995, , 3, 461-473 | |
dc.identifier.issn | 0012-821X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/20283 | |
dc.description.abstract | The Siberian traps were emplaced near the Permo-Triassic boundary and are among the largest continental igneous provinces. A 1750 m thick section of traps from the western Taimyr (72.9°N, 84°E) has been sampled. This section is equivalent to the lower and middle part of the total Siberian traps section. Thirty-one oriented hand samples were studied and demagnetised by alternating fields and heating cycles. A stable characteristic component passes the fold test and is thought to be primary. The mean direction is D = 84 °, I = 75 ° with α95 = 10 ° (N = 29) and the corresponding pole is 59°N, 150°E. The bottom part (660 m) is of reversed polarity, the middle part (900 m) is normal and the uppermost level (150 m) is mixed. Correlations with reference Permo-Triassic magnetostratigraphic timescales are discussed. The most probable correlation indicates an age quite close to the Permian/Triassic boundary and a duration for the volcanism of less than 1 m.y. The data are therefore consistent with the hypothesis that this volcanism triggered the Permian/Triassic crisis. | |
dc.subject | Triassic | en |
dc.title | PALEOMAGNETISM AND MAGNETOSTRATIGRAPHY OF THE TRAPS FROM WESTERN TAIMYR (NORTHERN SIBERIA) AND THE PERMO-TRIASSIC CRISIS | |
dc.type | Статья | |
dc.subject.age | Mesozoic::Triassic | en |
dc.subject.age | Мезозой::Триасовая | ru |
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