238U/235U in calcite is more susceptible to carbonate diagenesis

Upper limits on the extent of seafloor anoxia during the PETM from uranium isotopes

(2021) Matthew O. Clarkson et al.   Nature Communications

Vanadium isotope evidence for expansive ocean euxinia during the appearance of early Ediacara biota

(2021) Haifeng Fan et al.   EARTH AND PLANETARY SCIENCE LETTERS

Anoxic depositional overprinting of 238U/235U in calcite: When do carbonates tell black shale tales?

(2021) Xinming Chen et al.   GEOLOGY

Microbial U Isotope Fractionation Depends on the U(VI) Reduction Rate

(2020) Anirban Basu et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Uranium Isotope Fractionation (238U/235U) during U(VI) Uptake by Freshwater Plankton

(2020) Xinming Chen et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Early Mississippian ocean anoxia triggered organic carbon burial and late Paleozoic cooling: Evidence from uranium isotopes recorded in marine limestone

(2020) Keyi Cheng et al.   GEOLOGY

Uranium isotope compositions of biogenic carbonates – Implications for U uptake in shells and the application of the paleo-ocean oxygenation proxy

(2020) B.D. Livermore et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Untangling the diagenetic history of uranium isotopes in marine carbonates: A case study tracing the δ238U composition of late Silurian oceans using calcitic brachiopod shells

(2020) Álvaro del Rey et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Aqueous Uranium Speciation on U/Ca in Foraminiferal Calcite: The Importance of Minor Species—UO2(CO3)22–

(2020) Xinming Chen   ACS Earth and Space Chemistry

History of carbonate ion concentration over the last 100 million years II: Revised calculations and new data

(2019) Richard E. Zeebe et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Investigating ocean deoxygenation during the PETM through the Cr isotopic signature of foraminifera

(2019) Serginio R.C. Remmelzwaal et al.   Paleoceanography and Paleoclimatology

Uranium isotope evidence for limited euxinia in mid-Proterozoic oceans

(2019) Geoffrey J. Gilleaudeau et al.   EARTH AND PLANETARY SCIENCE LETTERS

Uranium isotopes as a proxy for primary depositional redox conditions in organic-rich marine systems

(2019) Michelle L. Abshire et al.   EARTH AND PLANETARY SCIENCE LETTERS

Diagenetic effects on uranium isotope fractionation in carbonate sediments from the Bahamas

(2018) Xinming Chen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Marine redox fluctuation as a potential trigger for the Cambrian explosion

(2018) Guang-Yi Wei et al.   GEOLOGY

Large-scale ocean deoxygenation during the Paleocene-Eocene Thermal Maximum

(2018) Weiqi Yao et al.   SCIENCE

Extensive marine anoxia during the terminal Ediacaran Period

(2018) Feifei Zhang et al.   Science Advances

Uranium isotope variations in a dolomitized Jurassic carbonate platform (Tithonian; Franconian Alb, Southern Germany)

(2018) Achim D. Herrmann et al.   CHEMICAL GEOLOGY

Uranium isotope fractionation by abiotic reductive precipitation

(2018) Shaun T. Brown et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Global seawater redox trends during the Late Devonian mass extinction detected using U isotopes of marine limestones

(2018) David A. White et al.   EARTH AND PLANETARY SCIENCE LETTERS

Uranium isotope evidence for an expansion of anoxia in terminal Ediacaran oceans

(2018) Rosalie Tostevin et al.   EARTH AND PLANETARY SCIENCE LETTERS

Biological effects on uranium isotope fractionation (238U/235U) in primary biogenic carbonates

(2018) Xinming Chen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Controls of eustasy and diagenesis on the 238U/235U of carbonates and evolution of the seawater (234U/238U) during the last 1.4 Myr

(2018) François L.H. Tissot et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Uranium isotope fractionation induced by aqueous speciation: Implications for U isotopes in marine CaCO 3 as a paleoredox proxy

(2017) Xinming Chen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Uranium and carbon isotopes document global-ocean redox-productivity relationships linked to cooling during the Frasnian-Famennian mass extinction

(2017) Huyue Song et al.   GEOLOGY

Uranium Isotope Fractionation

(2017) Morten B. Andersen et al.   Reviews in Mineralogy & Geochemistry

A Cenozoic seawater redox record derived from 238U/235U in ferromanganese crusts

(2016) X. Wang et al.   AMERICAN JOURNAL OF SCIENCE

Syndepositional diagenetic control of molybdenum isotope variations in carbonate sediments from the Bahamas

(2016) Stephen J. Romaniello et al.   CHEMICAL GEOLOGY

Effective use of cerium anomalies as a redox proxy in carbonate-dominated marine settings

(2016) Rosalie Tostevin et al.   CHEMICAL GEOLOGY

Closing in on the marine 238 U/ 235 U budget

(2016) M.B. Andersen et al.   CHEMICAL GEOLOGY

Uranium Isotope Fractionation during Adsorption, (Co)precipitation, and Biotic Reduction

(2016) Duc Huy Dang et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Uranium Isotopic Fractionation Induced by U(VI) Adsorption onto Common Aquifer Minerals

(2016) N. E. Jemison et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Trace element proxies for surface ocean conditions: A synthesis of culture calibrations with planktic foraminifera

(2016) Katherine A. Allen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Uranium isotope fractionation during coprecipitation with aragonite and calcite

(2016) Xinming Chen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Global-ocean redox variation during the middle-late Permian through Early Triassic based on uranium isotope and Th/U trends of marine carbonates

(2016) Maya Elrick et al.   GEOLOGY

Expanded oxygen minimum zones during the late Paleocene-early Eocene: Hints from multiproxy comparison and ocean modeling

(2016) X. Zhou et al.   PALEOCEANOGRAPHY

Earth’s oxygen cycle and the evolution of animal life

(2016) Christopher T. Reinhard et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Marine anoxia and delayed Earth system recovery after the end-Permian extinction

(2016) Kimberly V. Lau et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Isotope fractionation of 238U and 235U during biologically-mediated uranium reduction

(2015) Claudine H. Stirling et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Low temperature equilibrium isotope fractionation and isotope exchange kinetics between U(IV) and U(VI)

(2015) Xiangli Wang et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Uranium isotopic compositions of the crust and ocean: Age corrections, U budget and global extent of modern anoxia

(2015) François L.H. Tissot et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Uranium isotopes fingerprint biotic reduction

(2015) Malgorzata Stylo et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

A modern framework for the interpretation of 238U/235U in studies of ancient ocean redox

(2014) M.B. Andersen et al.   EARTH AND PLANETARY SCIENCE LETTERS

Uranium isotopic fractionation factors during U(VI) reduction by bacterial isolates

(2014) Anirban Basu et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

The rise of oxygen in Earth’s early ocean and atmosphere

(2014) Timothy W. Lyons et al.   NATURE

I/Ca evidence for upper ocean deoxygenation during the PETM

(2014) Xiaoli Zhou et al.   PALEOCEANOGRAPHY

Oxygen requirements of the earliest animals

(2014) D. B. Mills et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Uranium concentrations and 238U/235U isotope ratios in modern carbonates from the Bahamas: Assessing a novel paleoredox proxy

(2013) Stephen J. Romaniello et al.   CHEMICAL GEOLOGY

Large-scale fluctuations in Precambrian atmospheric and oceanic oxygen levels from the record of U in shales

(2013) C.A. Partin et al.   EARTH AND PLANETARY SCIENCE LETTERS

Incorporation of uranium in benthic foraminiferal calcite reflects seawater carbonate ion concentration

(2012) Nina Keul et al.   GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS

Uranium Isotope Fractionation during Adsorption to Mn-Oxyhydroxides

(2011) Gregory A. Brennecka et al.   ENVIRONMENTAL SCIENCE & TECHNOLOGY

Oxygenation of the Earth's atmosphere–ocean system: A review of physical and chemical sedimentologic responses

(2011) P.K. Pufahl et al.   MARINE AND PETROLEUM GEOLOGY

Cerium anomaly variations in Ediacaran–earliest Cambrian carbonates from the Yangtze Gorges area, South China: Implications for oxygenation of coeval shallow seawater

(2011) Hong-Fei Ling et al.   PRECAMBRIAN RESEARCH

Rapid expansion of oceanic anoxia immediately before the end-Permian mass extinction

(2011) G. A. Brennecka et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Shallow-water carbonate record of the Paleocene-Eocene Thermal Maximum from a Pacific Ocean guyot

(2010) S. A. Robinson   GEOLOGY

Iodine to calcium ratios in marine carbonate as a paleo-redox proxy during oceanic anoxic events

(2010) Zunli Lu et al.   GEOLOGY

Paleoredox changes across the Paleocene-Eocene thermal maximum, Walvis Ridge (ODP Sites 1262, 1263, and 1266): Evidence from Mn and U enrichment factors

(2010) Cecily O. J. Chun et al.   PALEOCEANOGRAPHY

Tracking Euxinia in the Ancient Ocean: A Multiproxy Perspective and Proterozoic Case Study

(2009) Timothy W. Lyons et al.   Annual Review of Earth and Planetary Sciences

Environmental analysis of paleoceanographic systems based on molybdenum–uranium covariation

(2009) T.J. Algeo et al.   CHEMICAL GEOLOGY

Natural fractionation of 238U/235U

(2007) S. Weyer et al.   GEOCHIMICA ET COSMOCHIMICA ACTA