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Journal article
The eruptive tempo of Deccan volcanism in relation to the Cretaceous-Paleogene boundary
Science (American Association for the Advancement of Science), v 363(6429), pp 866-870
22 Feb 2019
PMID: 30792301
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Late Cretaceous records of environmental change suggest that Deccan Traps (DT) volcanism contributed to the Cretaceous-Paleogene boundary (KPB) ecosystem crisis. However, testing this hypothesis requires identification of the KPB in the DT. We constrain the location of the KPB with high-precision argon-40/argon-39 data to be coincident with changes in the magmatic plumbing system. We also found that the DT did not erupt in three discrete large pulses and that >90% of DT volume erupted in <1 million years, with ~75% emplaced post-KPB. Late Cretaceous records of climate change coincide temporally with the eruption of the smallest DT phases, suggesting that either the release of climate-modifying gases is not directly related to eruptive volume or DT volcanism was not the source of Late Cretaceous climate change.
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- Title
- The eruptive tempo of Deccan volcanism in relation to the Cretaceous-Paleogene boundary
- Creators
- Courtney J Sprain - Planetary Science InstitutePaul R Renne - Berkeley Geochronology CenterLoÿc Vanderkluysen - Drexel UniversityKanchan Pande - Indian Institute of Technology BombayStephen Self - Department of Earth and Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley CA, 94720-4767 USATushar Mittal - Department of Earth and Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley CA, 94720-4767 USA
- Publication Details
- Science (American Association for the Advancement of Science), v 363(6429), pp 866-870
- Publisher
- American Association for the Advancement of Science (AAAS)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Biodiversity, Earth, and Environmental Science (BEES)
- Web of Science ID
- WOS:000459387100043
- Scopus ID
- 2-s2.0-85061966350
- Other Identifier
- 991019168792904721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Geochemistry & Geophysics