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Photic zone euxinia during the Permian-triassic superanoxic event.
Science. 2005 Feb 04; 307(5710):706-9.Sci

Abstract

Carbon and sulfur isotopic data, together with biomarker and iron speciation analyses of the Hovea-3 core that was drilled in the Perth Basin, Western Australia, indicate that euxinic conditions prevailed in the paleowater column during the Permian-Triassic superanoxic event. Biomarkers diagnostic for anoxygenic photosynthesis by Chlorobiaceae are particularly abundant at the boundary and into the Early Triassic. Similar conditions prevailed in the contemporaneous seas off South China. Our evidence for widespread photiczone euxinic conditions suggests that sulfide toxicity was a driver of the extinction and a factor in the protracted recovery.

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Authors+Show Affiliations

Grice K
Curtin University of Technology, Perth, Australia. K.Grice@curtin.edu.au
Cao C
No affiliation info available
Love GD
No affiliation info available
Böttcher ME
No affiliation info available
Twitchett RJ
No affiliation info available
Grosjean E
No affiliation info available
Summons RE
No affiliation info available
Turgeon SC
No affiliation info available
Dunning W
No affiliation info available
Jin Y
No affiliation info available

MeSH

AnaerobiosisAnimalsCarbon IsotopesChlorobiEcosystemGeologic SedimentsInvertebratesIronIsotopesLightOceans and SeasOxidation-ReductionPhotosynthesisSeawaterSulfidesSulfur IsotopesTimeWestern Australia

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

15661975

Citation

Grice, Kliti, et al. "Photic Zone Euxinia During the Permian-triassic Superanoxic Event." Science (New York, N.Y.), vol. 307, no. 5710, 2005, pp. 706-9.
Grice K, Cao C, Love GD, et al. Photic zone euxinia during the Permian-triassic superanoxic event. Science. 2005;307(5710):706-9.
Grice, K., Cao, C., Love, G. D., Böttcher, M. E., Twitchett, R. J., Grosjean, E., Summons, R. E., Turgeon, S. C., Dunning, W., & Jin, Y. (2005). Photic zone euxinia during the Permian-triassic superanoxic event. Science (New York, N.Y.), 307(5710), 706-9.
Grice K, et al. Photic Zone Euxinia During the Permian-triassic Superanoxic Event. Science. 2005 Feb 4;307(5710):706-9. PubMed PMID: 15661975.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Photic zone euxinia during the Permian-triassic superanoxic event. AU - Grice,Kliti, AU - Cao,Changqun, AU - Love,Gordon D, AU - Böttcher,Michael E, AU - Twitchett,Richard J, AU - Grosjean,Emmanuelle, AU - Summons,Roger E, AU - Turgeon,Steven C, AU - Dunning,William, AU - Jin,Yugan, Y1 - 2005/01/20/ PY - 2005/1/22/pubmed PY - 2005/2/17/medline PY - 2005/1/22/entrez SP - 706 EP - 9 JF - Science (New York, N.Y.) JO - Science VL - 307 IS - 5710 N2 - Carbon and sulfur isotopic data, together with biomarker and iron speciation analyses of the Hovea-3 core that was drilled in the Perth Basin, Western Australia, indicate that euxinic conditions prevailed in the paleowater column during the Permian-Triassic superanoxic event. Biomarkers diagnostic for anoxygenic photosynthesis by Chlorobiaceae are particularly abundant at the boundary and into the Early Triassic. Similar conditions prevailed in the contemporaneous seas off South China. Our evidence for widespread photiczone euxinic conditions suggests that sulfide toxicity was a driver of the extinction and a factor in the protracted recovery. SN - 1095-9203 UR - https://www.unboundmedicine.com/medline/citation/15661975/Photic_zone_euxinia_during_the_Permian_triassic_superanoxic_event_ L2 - https://www.sciencemag.org/cgi/pmidlookup?view=long&pmid=15661975 DB - PRIME DP - Unbound Medicine ER -