The chromium isotope composition of reducing and oxic marine sediments
The chromium (Cr) isotope composition of marine sediments has the potential to provide
new insights into the evolution of Earth-surface redox conditions. There are significant but …
new insights into the evolution of Earth-surface redox conditions. There are significant but …
The isotopic composition of authigenic chromium in anoxic marine sediments: A case study from the Cariaco Basin
CT Reinhard, NJ Planavsky, X Wang… - Earth and Planetary …, 2014 - Elsevier
Chromium (Cr) isotopes are an emerging proxy for tracking redox processes at the Earth's
surface. However, there has been limited exploration of the Cr isotope record of modern and …
surface. However, there has been limited exploration of the Cr isotope record of modern and …
Chromium isotope cycling in the water column and sediments of the Peruvian continental margin
S Bruggmann, F Scholz, RM Klaebe… - … et Cosmochimica Acta, 2019 - Elsevier
Chromium (Cr) isotope fractionation is sensitive to redox changes and the Cr isotopic
composition (δ 53 Cr) of sedimentary rocks has been used to reconstruct marine redox …
composition (δ 53 Cr) of sedimentary rocks has been used to reconstruct marine redox …
Chromium isotopes in marine hydrothermal sediments
Hydrothermal chromium (Cr) cycling contributes to marine Cr inventories and their Cr
isotopic composition, yet Cr isotope effects associated with this cycling remain poorly …
isotopic composition, yet Cr isotope effects associated with this cycling remain poorly …
[HTML][HTML] Chromium reduction and associated stable isotope fractionation restricted to anoxic shelf waters in the Peruvian Oxygen Minimum Zone
P Nasemann, DJ Janssen, J Rickli, P Grasse… - … et cosmochimica acta, 2020 - Elsevier
The marine chromium (Cr) cycle is still insufficiently understood, in particular the
mechanisms modulating the spatial distribution of dissolved stable Cr isotopes in seawater …
mechanisms modulating the spatial distribution of dissolved stable Cr isotopes in seawater …
Geochemical conditions regulating chromium preservation in marine sediments
In the marine sediment record, concentrations and isotope ratios of chromium (Cr) can be
used to reconstruct ocean biogeochemical conditions. These reconstructions rely on a …
used to reconstruct ocean biogeochemical conditions. These reconstructions rely on a …
Chromium isotope fractionation in ferruginous sediments
Ferrous Fe is a potent reductant of Cr (VI), and while a number of laboratory studies have
characterized Cr isotope fractionation associated with Cr (VI) reduction by ferrous iron, the …
characterized Cr isotope fractionation associated with Cr (VI) reduction by ferrous iron, the …
Chromium Cycling in Redox‐Stratified Basins Challenges δ53Cr Paleoredox Proxy Applications
DJ Janssen, J Rickli, M Wille… - Geophysical …, 2022 - Wiley Online Library
Chromium stable isotope composition (δ53Cr) is a promising tracer for redox conditions
throughout Earth's history; however, the geochemical controls of δ53Cr have not been …
throughout Earth's history; however, the geochemical controls of δ53Cr have not been …
Cr isotope systematics in the Connecticut River estuary
Stable chromium (Cr) isotopes (expressed in δ 53 Cr as the deviation of 53 Cr/52 Cr in
samples from the international standard NIST SRM 979) are an emerging paleoredox proxy …
samples from the international standard NIST SRM 979) are an emerging paleoredox proxy …
[HTML][HTML] Behaviour of chromium isotopes in the eastern sub-tropical Atlantic Oxygen Minimum Zone
Constraints on the variability of chromium (Cr) isotopic compositions in the modern ocean
are required to validate the use of Cr isotopic signatures in ancient authigenic marine …
are required to validate the use of Cr isotopic signatures in ancient authigenic marine …