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Tempo of the end-Permian event: High-resolution cyclostratigraphy at the Permian-Triassic boundary

2000; Geological Society of America; Volume: 28; Issue: 7 Linguagem: Inglês

10.1130/0091-7613(2000)28 2.0.co;2

1943-2682

Michael R. Rampino, Andreas Prokoph, Andre C. Adler,

Geological formations and processes

Research Article| July 01, 2000 Tempo of the end-Permian event: High-resolution cyclostratigraphy at the Permian-Triassic boundary Michael R. Rampino; Michael R. Rampino 1Earth and Environmental Science Program, New York University, 100 Washington Square East, New York, New York 10003, USA, and NASA, Goddard Institute for Space Studies, 2880 Broadway, New York, New York 10025, USA Search for other works by this author on: GSW Google Scholar Andreas Prokoph; Andreas Prokoph 2Department of Earth Sciences, University of Ottawa, 365 Nicholas Street, Ottawa, Ontario K1N 6N5, Canada Search for other works by this author on: GSW Google Scholar Andre Adler Andre Adler 3Department of Physics, New York University, 2-4 Washington Place, New York, New York 10003, USA Search for other works by this author on: GSW Google Scholar Author and Article Information Michael R. Rampino 1Earth and Environmental Science Program, New York University, 100 Washington Square East, New York, New York 10003, USA, and NASA, Goddard Institute for Space Studies, 2880 Broadway, New York, New York 10025, USA Andreas Prokoph 2Department of Earth Sciences, University of Ottawa, 365 Nicholas Street, Ottawa, Ontario K1N 6N5, Canada Andre Adler 3Department of Physics, New York University, 2-4 Washington Place, New York, New York 10003, USA Publisher: Geological Society of America Received: 13 Dec 1999 Revision Received: 17 Apr 2000 Accepted: 25 Apr 2000 First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (2000) 28 (7): 643–646. https://doi.org/10.1130/0091-7613(2000)28 2.0.CO;2 Article history Received: 13 Dec 1999 Revision Received: 17 Apr 2000 Accepted: 25 Apr 2000 First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Tools Icon Tools Get Permissions Search Site Citation Michael R. Rampino, Andreas Prokoph, Andre Adler; Tempo of the end-Permian event: High-resolution cyclostratigraphy at the Permian-Triassic boundary. Geology 2000;; 28 (7): 643–646. doi: https://doi.org/10.1130/0091-7613(2000)28 2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract The Permian-Triassic (P-T) boundary is marked by the most severe mass extinction in the geologic record. High-resolution cyclostratigraphy on a 104 yr scale across the P-T boundary in a core from the Carnic Alps (Austria) revealed significant cycles in the ratio ∼40:10:4.7:2.3 m, identified with Milankovitch cycles of ∼412:100:40:20 k.y. (eccentricity 1 and 2, obliquity, and precession). Wavelet analysis indicates continuity of deposition across the boundary, with an average accumulation rate of ∼10 cm/k.y. The dramatic faunal changes at the P-T boundary can be constrained within an interval of <60 k.y. (possibly <8 k.y.), with the accompanying sharp negative global carbon-isotope shift within <30 k.y., suggesting a catastrophic cause. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.