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^(238)U/^(235)U in marine carbonates as a tracer of Precambrian paleoredox conditions

Chen, C. and Tissot, F. L. H. and Dauphas, N. and Bekker, A. and Halverson, G. P. and Veizer, J. (2018) ^(238)U/^(235)U in marine carbonates as a tracer of Precambrian paleoredox conditions. In: 49th Lunar and Planetary Science Conference, March 19-23, 2018, The Woodlands, TX. http://resolver.caltech.edu/CaltechAUTHORS:20180615-111710023

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Abstract

The timing and magnitude of the oxygenation of Earth’s ocean is still a matter of intense debate. Previous work suggested that the uranium isotope variations recorded in ancient marine sediments, such as shales and carbonates, could provide valuable insights into paleoredox conditions [e.g., 1-11]. In this work, we study U concentration and isotopic composition of a large number of Precambrian carbonates to place constraints on long-term variations in oceanic redox conditions.


Item Type:Conference or Workshop Item (Paper)
Related URLs:
URLURL TypeDescription
https://www.hou.usra.edu/meetings/lpsc2018/OrganizationConference Website
ORCID:
AuthorORCID
Tissot, F. L. H.0000-0001-6622-2907
Additional Information:© 2018 Lunar and Planetary Institute.
Other Numbering System:
Other Numbering System NameOther Numbering System ID
LPI Contribution2083
Record Number:CaltechAUTHORS:20180615-111710023
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180615-111710023
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:87158
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:15 Jun 2018 18:26
Last Modified:15 Jun 2018 18:26

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