Bioactive trace metals and their isotopes as paleoproductivity proxies: An assessment using GEOTRACES‐era data
Phytoplankton productivity and export sequester climatically significant quantities of
atmospheric carbon dioxide as particulate organic carbon through a suite of processes …
atmospheric carbon dioxide as particulate organic carbon through a suite of processes …
Biogeochemical cycle of chromium isotopes at the modern Earth's surface and its applications as a paleo-environment proxy
Chromium (Cr) is a redox-sensitive metal element with two natural oxidation states,
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
commonly as the soluble Cr (VI) oxyanion (CrO 4 2− or HCrO 4−) and the insoluble Cr (III) …
A Re‐evaluation of the Plenus Cold Event, and the Links Between CO2, Temperature, and Seawater Chemistry During OAE 2
The greenhouse world of the mid‐Cretaceous (~ 94 Ma) was punctuated by an episode of
abrupt climatic upheaval: Oceanic Anoxic Event 2. High‐resolution climate records reveal …
abrupt climatic upheaval: Oceanic Anoxic Event 2. High‐resolution climate records reveal …
Biological control of chromium redox and stable isotope composition in the surface ocean
While chromium stable isotopes (δ53Cr) have received significant attention for their utility as
a tracer of oxygen availability in the distant geological past, a mechanistic understanding of …
a tracer of oxygen availability in the distant geological past, a mechanistic understanding of …
High-sensitivity measurement of Cr isotopes by double spike MC-ICP-MS at the 10 ng level
High-sensitivity and high-precision (2 SD≤ 0.06‰) measurement of chromium (Cr) isotopes
at the 10 ng level was successfully carried out using double spike multiple-collector …
at the 10 ng level was successfully carried out using double spike multiple-collector …
Stable chromium isotope compositions of hydrogenetic ferromanganese crusts potentially linked to primary productivity
Stable chromium isotope composition (δ 53 Cr) is a widely used paleo-redox proxy.
However, modern seawater δ 53 Cr values do not correlate with dissolved O 2 …
However, modern seawater δ 53 Cr values do not correlate with dissolved O 2 …
Chromium stable isotope distributions in the southwest Pacific Ocean and constraints on hydrothermal input from the Kermadec Arc
DJ Janssen, D Gilliard, J Rickli, P Nasemann… - … et Cosmochimica Acta, 2023 - Elsevier
Special attention has been given to chromium (Cr) as a paleoproxy tracing redox cycling
throughout Earth's history, due to differences in the solubility of its primary redox species at …
throughout Earth's history, due to differences in the solubility of its primary redox species at …
Chromium isotope composition of organic-rich marine sediments and their mineral phases and implications for using black shales as a paleoredox archive
Chromium (Cr) stable isotopes in marine sediments, in particular iron formations, have been
used to track changes in Earth's surface redox conditions. In recent years several studies …
used to track changes in Earth's surface redox conditions. In recent years several studies …
Experimental study of chromium (III) coprecipitation with calcium carbonate
Z Fang, W Liu, T Yao, G Zhou, S Wei, L Qin - Geochimica et Cosmochimica …, 2022 - Elsevier
Chromium (Cr) isotope compositions of marine carbonates have widely been used to trace
the evolution of oxygen levels in the atmosphere and ocean during geological history …
the evolution of oxygen levels in the atmosphere and ocean during geological history …
Variations of redox conditions in the atmosphere and Yangtze Platform during the Ediacaran-Cambrian transition: Constraints from Cr isotopes and Ce anomalies
Abstract The Ediacaran-Cambrian transition was characterized by the evolution from
Ediacaran soft-body to Cambrian skeletal organisms, and fluctuations of the marine carbon …
Ediacaran soft-body to Cambrian skeletal organisms, and fluctuations of the marine carbon …