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 …
[HTML][HTML] Sedimentary cycling of zinc and nickel and their isotopes on an upwelling margin: Implications for oceanic budgets and paleoenvironment proxies
Zinc and Ni are essential micronutrients whose stable isotope systematics in marine
sediments represent promising, but still develo**, tracers of past ocean chemistry and …
sediments represent promising, but still develo**, tracers of past ocean chemistry and …
Widespread lithogenic control of marine authigenic neodymium isotope records? Implications for paleoceanographic reconstructions
Our understanding of past ocean-climate dynamics is informed by multiple paleocirculation
proxies including δ 13 C, 231 Pa/230 Th, and radiogenic neodymium isotopes (ε Nd). Of …
proxies including δ 13 C, 231 Pa/230 Th, and radiogenic neodymium isotopes (ε Nd). Of …
[HTML][HTML] The essential bioactive role of nickel in the oceans: Evidence from nickel isotopes
The role of nickel (Ni) in ocean biogeochemical cycles is both under-studied and
controversial. Strong correlations between Ni and organic carbon in modern and ancient …
controversial. Strong correlations between Ni and organic carbon in modern and ancient …
[HTML][HTML] Toward mending the marine mass balance model for nickel: Experimentally determined isotope fractionation during Ni sorption to birnessite
In fewer than fifteen years, the study of Ni stable isotopes has advanced from early method
development to application of a powerful tool for resolving a long-standing question: why …
development to application of a powerful tool for resolving a long-standing question: why …
[HTML][HTML] The nickel output to abyssal pelagic manganese oxides: A balanced elemental and isotope budget for the oceans
The development of nickel isotopes as a chemical tracer of past ocean environments
requires a sound understanding of the modern oceanic budget. Our current understanding …
requires a sound understanding of the modern oceanic budget. Our current understanding …
The behavior of nickel isotopes during mantle melting
Mantle-derived mafic rocks show relatively large variations in nickel (Ni) isotopes and mostly
isotopically light compared to the bulk silicate Earth (BSE). Whether this signature is due to …
isotopically light compared to the bulk silicate Earth (BSE). Whether this signature is due to …
Lack of redox cycling for nickel in the water column of the Eastern tropical north pacific oxygen deficient zone: Insight from dissolved and particulate nickel isotopes
Marine oxygen deficient zones (ODZs) promote unique plankton communities and redox
environments which impact the cycling of biologically essential trace metals in the ocean …
environments which impact the cycling of biologically essential trace metals in the ocean …
Sulfide dissolution on the nickel isotopic composition of basaltic rocks
Global basaltic rocks show large variations in nickel (Ni) isotopic compositions relative to
peridotites. The origin of this difference remains unknown. We analyzed Ni isotopic …
peridotites. The origin of this difference remains unknown. We analyzed Ni isotopic …
Nickel and chromium stable isotopic composition of ureilites: Implications for the Earth's core formation and differentiation of the ureilite parent body
We report the first Ni and Cr stable isotope data for ureilite meteorites that are the mantle
residue of a carbon‐rich differentiated planet. Ureilites have similar Ni stable isotope …
residue of a carbon‐rich differentiated planet. Ureilites have similar Ni stable isotope …