Variable local basin hydrography and productivity control the uranium isotope paleoredox proxy in anoxic black shales
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The assumption that δ238U data can be used as a proxy to track changes in global open ocean paleoredox conditions has been challenged by studies showing that sea level changes, local productivity, and basin restriction also control δ238U variability.
“The assumption that δ238U data can be used as a proxy to track changes in global open ocean paleoredox conditions has been challenged by studies, which show that sea level changes [e.g., (44)], as well as local productivity and basin restriction [e.g., (45)], also control δ238U variability in the sedimentary record.”
From Sea level controls on Ediacaran-Cambrian animal radiations (2024) · cites this paper as [45]
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References 134 · Cited by 25
- Authors
- Lau, K. V., Hancock, L. G., Severmann, S., Kuzminov, A., Cole, D. B., Behl, R. J., Planavsky, N. J., & Lyons, T. W.
- Affiliations
- University of California, Riverside (US)
- Rutgers, The State University of New Jersey (US)
- Georgia Institute of Technology (US)
- California State University, Long Beach (US)
- Yale University (US)
- Corresponding author
- Lau, Kimberly V.
- ORCID
- Venue
- Geochimica et Cosmochimica Acta
- Publisher
- Elsevier BV
- Published
- 2022-01
- Volume
- 317
- Pages
- 433-456
- ISSN
- 0016-7037 (ISSN-L)
- OpenAlex
- W3210511795
- Cited by
- 25
- References
- 134
- Citations by year
- 2026: 3 · 2025: 7 · 2024: 5 · 2023: 8 · 2022: 2
- FWCI
- 2.82
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- www.elsevier.com/legal/tdmrep-license (tdm)
- www.elsevier.com/open-access/userlicense/1.0/ (am, 294 d)
- doi.org/10.15223/policy-017 (stm-asf)
- doi.org/10.15223/policy-037 (stm-asf)
- doi.org/10.15223/policy-012 (stm-asf)
- doi.org/10.15223/policy-029 (stm-asf)
- doi.org/10.15223/policy-004 (stm-asf)
- Locations
- Geochimica et Cosmochimica Acta (acceptedVersion)
- ScholarSphere (Penn State Libraries) (submittedVersion)
- Funders
- National Aeronautics and Space Administration
- ACS Petroleum Research Fund (57545-ND2)
- Agouron Institute
- NASA Astrobiology Institute (NNA15BB03A)
- Indian Council of Agricultural Research
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
- Physical Sciences › Earth and Planetary Sciences › Earth-Surface Processes › Geological formations and processes
- Keywords
- uranium isotopes, paleoredox proxies, ocean primary productivity, euxinia, Santa Barbara Basin, San Joaquin Basin, uranium isotope fractionation, uranium enrichment, sedimentation rate, phosphate, redox-sensitive metals, Miocene
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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