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The evolution of the ediacaran sulfur cycle: A paired sulfate-pyrite δ^(34)S approach

Fike, David and Grotzinger, John (2007) The evolution of the ediacaran sulfur cycle: A paired sulfate-pyrite δ^(34)S approach. Geochimica et Cosmochimica Acta, 71 (15). A278. ISSN 0016-7037. https://resolver.caltech.edu/CaltechAUTHORS:20130211-143218017

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Abstract

An anomalous enrichment in marine sulfate δ^(34)S_(SO4) is preserved in globally-distributed latest Ediacaran – early Cambrian strata. The proximity of this anomaly to the Ediacaran-Cambrian boundary and the associated evolutionary radiation has invited speculation that the two are causally related. Here we present a high resolution record of paired sulfate (δ^(34)S_(SO4)) and pyrite (δ^(34)S_(pyr)) from sediments of the Ara Group, Sultanate of Oman. An enrichment in δ^(34)S_(pyr) coincides with the interval of enriched δ^(34)S_(SO4), beginning at ca. 550 million years ago (Ma) and continuing through at least ca. 540 Ma.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/j.gca.2007.06.015DOIArticle
http://www.sciencedirect.com/science/article/pii/S001670370700316XPublisherArticle
ORCID:
AuthorORCID
Fike, David0000-0003-2848-0328
Grotzinger, John0000-0001-9324-1257
Additional Information:© 2007 Published by Elsevier Ltd.
Issue or Number:15
Record Number:CaltechAUTHORS:20130211-143218017
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130211-143218017
Official Citation:Goldschmidt Abstracts 2007- E and F, Geochimica et Cosmochimica Acta, Volume 71, Issue 15, Supplement, August 2007, Pages A249-A301, ISSN 0016-7037, 10.1016/j.gca.2007.06.015.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36853
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:25 Feb 2013 23:13
Last Modified:13 Dec 2019 02:27

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