Rethinking the ancient sulfur cycle

DA Fike, AS Bradley, CV Rose - Annual Review of Earth and …, 2015 - annualreviews.org
The sulfur biogeochemical cycle integrates the metabolic activity of multiple microbial
pathways (eg, sulfate reduction, disproportionation, and sulfide oxidation) along with abiotic …

[HTML][HTML] Recent advances in MC-ICP-MS applications in Earth and environmental sciences: Challenges and solutions

V Balaram, W Rahaman, P Roy - Geosystems and Geoenvironment, 2022 - Elsevier
The development of multi-collector inductively coupled plasma mass spectrometry (MC-ICP-
MS) in 1992 opened up new opportunities for geochemical, mineral exploration, and …

Assessment of international reference materials for isotope-ratio analysis (IUPAC Technical Report)

WA Brand, TB Coplen, J Vogl, M Rosner… - Pure and Applied …, 2014 - degruyter.com
Since the early 1950s, the number of international measurement standards for anchoring
stable isotope delta scales has mushroomed from 3 to more than 30, expanding to more …

Sulfate was a trace constituent of Archean seawater

SA Crowe, G Paris, S Katsev, CA Jones, ST Kim… - Science, 2014 - science.org
In the low-oxygen Archean world (> 2400 million years ago), seawater sulfate
concentrations were much lower than today, yet open questions frustrate the translation of …

Development of pressed sulfide powder tablets for in situ sulfur and lead isotope measurement using LA-MC-ICP-MS

Z Bao, L Chen, C Zong, H Yuan, K Chen… - International Journal of …, 2017 - Elsevier
Controlling the accuracy and precision of sulfur and lead isotopic compositions in natural
sulfide minerals requires the use of well-characterized reference materials with matrices …

Sulfur isotopes in rivers: Insights into global weathering budgets, pyrite oxidation, and the modern sulfur cycle

A Burke, TM Present, G Paris, ECM Rae… - Earth and Planetary …, 2018 - Elsevier
The biogeochemical sulfur cycle is intimately linked to the cycles of carbon, iron, and
oxygen, and plays an important role in global climate via weathering reactions and aerosols …

In situ sulfur isotopes (δ34S and δ33S) analyses in sulfides and elemental sulfur using high sensitivity cones combined with the addition of nitrogen by laser ablation …

J Fu, Z Hu, W Zhang, L Yang, Y Liu, M Li, K Zong… - Analytica Chimica …, 2016 - Elsevier
The sulfur isotope is an important geochemical tracer in diverse fields of geosciences. In this
study, the effects of three different cone combinations with the addition of N 2 on the …

Preparation of standards for in situ sulfur isotope measurement in sulfides using femtosecond laser ablation MC-ICP-MS

L Chen, K Chen, Z Bao, P Liang, T Sun… - Journal of Analytical …, 2017 - pubs.rsc.org
We prepared a series of pressed powder tablets and chalcopyrite glass standards to correct
mass bias when using standard–sample bracketing for in situ sulfur isotope measurements …

Sulfate sulfur isotopes and major ion chemistry reveal that pyrite oxidation counteracts CO2 drawdown from silicate weathering in the Langtang-Trisuli-Narayani River …

PC Kemeny, GI Lopez, NF Dalleska, M Torres… - … et Cosmochimica Acta, 2021 - Elsevier
Drawdown of atmospheric carbon dioxide (CO 2) due to silicate weathering in the Himalaya
has previously been implicated in Cenozoic cooling. However, over timescales shorter than …

The acid and alkalinity budgets of weathering in the Andes–Amazon system: Insights into the erosional control of global biogeochemical cycles

MA Torres, AJ West, KE Clark, G Paris… - Earth and Planetary …, 2016 - Elsevier
The correlation between chemical weathering fluxes and denudation rates suggests that
tectonic activity can force variations in atmospheric pCO 2 by modulating weathering fluxes …