Diet, cellular, and systemic homeostasis control the cycling of potassium stable isotopes in endothermic vertebrates

T Tacail, J Lewis, M Clauss, CD Coath… - Metallomics, 2023 - academic.oup.com
The naturally occurring stable isotopes of potassium (41K/39K, expressed as δ41K) have
the potential to make significant contributions to vertebrate and human biology. The utility of …

Potassium isotope signatures in modern marine sediments: Insights into early diagenesis

W Li, XM Liu, K Wang, J McManus, BA Haley… - Earth and Planetary …, 2022 - Elsevier
The sedimentary fluxes controlling potassium (K) budget of the oceans and the isotope
composition of K (δ 41 K) potentially yield valuable information about the global K cycling …

[HTML][HTML] Potassium isotope compositions of Mariana arc lavas and their sedimentary input

JB Rodney, T Tacail, J Lewis, MB Andersen… - … et Cosmochimica Acta, 2024 - Elsevier
We apply the stable potassium isotope system (41 K/39 K) to well-studied Mariana arc lavas,
in which inter-island geochemical variability has been interpreted to reflect near constant …

The Rb isotope composition of modern seawater and outputs to deep-sea sediments

X Zhang, L Tang, J Du, BA Haley, J McManus… - Earth and Planetary …, 2024 - Elsevier
The rubidium (Rb) isotope system has the potential for tracing water–silicate interactions
and providing information on the global Rb cycling. However, the Rb isotope compositions …

Potassium isotope fractionation during granitic magmatic differentiation: Mineral-pair perspectives

TY Huang, FZ Teng, ZZ Wang, YS He, ZC Liu… - … et Cosmochimica Acta, 2023 - Elsevier
To constrain the behavior of K isotopes during granitic magmatic differentiation, we present
high-precision K isotope data for bulk granitoids and their K-bearing minerals from Dabie …

High precision analysis of stable potassium (K) isotopes by the collision cell MC-ICP-MS “Sapphire” and a correction method for concentration mismatch

XY Zheng, XY Chen, W Ding, Y Zhang… - Journal of Analytical …, 2022 - pubs.rsc.org
Stable potassium (K) isotopes (41K/39K) have shown great promise as novel chemical
tracers for a wide range of bio-, geo-, and cosmo-chemical processes, but high precision …

Mg isotopes of siliciclastic sediments on continental marginal sea: Insights for the potential to trace silicate weathering

Z Hu, S Yang, C Yang, Y Guo, J Xu, C Zhang - Global and Planetary …, 2023 - Elsevier
In the last decade, much attention has been devoted to Mg isotopic behavior during various
weathering processes. Nonetheless, whether Mg isotopes in terrigenous siliciclastic …

[HTML][HTML] K, Sr isotopes, and trace element to constrain potash origin in the Simao Basin, southwestern China, and insight into K isotope geochemical behavior in …

ZY Miao, MP Zheng, PC Lou, ZG Xia, WQ Li, LF Shi… - Ore Geology …, 2024 - Elsevier
With the advancement of emerging potassium isotope testing techniques, the characteristics
of δ 41 K in evaporite have garnered increasing attention. Its application in constraining the …

Stable potassium (K) isotope characteristics at mid-ocean ridge hydrothermal vents and its implications for the global K cycle

XY Zheng, BL Beard, M Neuman… - Earth and Planetary …, 2022 - Elsevier
Recent discoveries of significant variations in stable K isotope ratios (41 K/39 K or δ 41 K)
among various terrestrial samples indicate that K isotopes can be a novel tracer for the …

High-temperature inter-mineral potassium isotope fractionation in ultrapotassic and granitic rocks: Implications for the potassium isotopic compositions of arc magmas

T Yang, H Liu, Y Li, YY Xue, X Li, WD Sun - Chemical Geology, 2023 - Elsevier
To constrain the mechanism and magnitude of inter-mineral K isotope fractionation during
high-temperature magmatic processes, we conducted high-precision K isotope …