The stable isotope geochemistry of molybdenum

B Kendall, TW Dahl, AD Anbar - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
“The Answer to the Great Question... Of Life, the Universe and Everything... Is... Forty-two,”
said Deep Thought, with infinite majesty and calm…“I checked it very thoroughly,” said the …

Global marine redox evolution from the late Neoproterozoic to the early Paleozoic constrained by the integration of Mo and U isotope records

GY Wei, NJ Planavsky, T He, F Zhang, RG Stockey… - Earth-Science …, 2021 - Elsevier
The emergence and diversification of early animals is commonly thought to have coincided
with atmosphere and ocean oxygenation across the terminal Neoproterozoic and early …

Uranium and molybdenum isotope evidence for an episode of widespread ocean oxygenation during the late Ediacaran Period

B Kendall, T Komiya, TW Lyons, SM Bates… - … et Cosmochimica Acta, 2015 - Elsevier
To improve estimates of the extent of ocean oxygenation during the late Ediacaran Period,
we measured the U and Mo isotope compositions of euxinic (anoxic and sulfidic) organic …

[PDF][PDF] Controls on trace metal authigenic enrichment in reducing sediments: insights from modern oxygen-deficient settings

SH Little, D Vance, TW Lyons… - American Journal of …, 2015 - ajsonline.org
Any effort to reconstruct Earth history using variations in authigenic enrichments of redox-
sensitive and biogeochemically important trace metals must rest on a fundamental …

Intense molybdenum accumulation in sediments underneath a nitrogenous water column and implications for the reconstruction of paleo-redox conditions based on …

F Scholz, C Siebert, AW Dale, M Frank - Geochimica et Cosmochimica Acta, 2017 - Elsevier
The concentration and isotope composition of molybdenum (Mo) in sediments and
sedimentary rocks are widely used proxies for anoxic conditions in the water column of …

[HTML][HTML] Precipitation of molybdenum from euxinic waters and the role of organic matter

GR Helz, TP Vorlicek - Chemical Geology, 2019 - Elsevier
Molybdenum preserved in organic-rich shales is a key archive employed in studying Earth's
past oxygenation and Life's evolution. In these shales, positive correlations between Mo and …

Uranium and molybdenum isotope systematics in modern euxinic basins: Case studies from the central Baltic Sea and the Kyllaren fjord (Norway)

J Noordmann, S Weyer, C Montoya-Pino, O Dellwig… - Chemical …, 2015 - Elsevier
Recent investigations have revealed significant fractionation of 238 U/235 U between
organic-rich sediments of anoxic marginal seas and seawater, indicating redox-dependent …

Beyond redox: Control of trace-metal enrichment in anoxic marine facies by watermass chemistry and sedimentation rate

J Liu, TJ Algeo - Geochimica et Cosmochimica Acta, 2020 - Elsevier
Although redox conditions are the dominant control on authigenic enrichment of trace metals
in marine sediments, other factors may be important within environments having relatively …

Correlated molybdenum and uranium isotope signatures in modern anoxic sediments: Implications for their use as paleo-redox proxy

A Brüske, S Weyer, MY Zhao, NJ Planavsky… - … et Cosmochimica Acta, 2020 - Elsevier
Redox-sensitive trace metals and their isotopes have emerged as important tools that are
used to reconstruct the redox-evolution of the ocean-atmosphere system. However …

Identifying oxygen minimum zone-type biogeochemical cycling in Earth history using inorganic geochemical proxies

F Scholz - Earth-Science Reviews, 2018 - Elsevier
Because of anthropogenic global warming, the world ocean is currently losing oxygen. This
trend called ocean deoxygenation is particularly pronounced in low-latitude upwelling …