Non-traditional stable isotopes: retrospective and prospective

FZ Teng, N Dauphas… - Reviews in mineralogy …, 2017 - pubs.geoscienceworld.org
Traditional stable isotope geochemistry involves isotopes of light elements such as H, C, N,
O, and S, which are measured predominantly by gas-source mass spectrometry (Valley et al …

Radiogenic and “stable” strontium isotopes in provenance studies: a review and first results on archaeological wood from shipwrecks

F Hajj, A Poszwa, J Bouchez, F Guérold - Journal of Archaeological …, 2017 - Elsevier
Different approaches are used to study wood provenance, but most of them are based on
tracers in wood that are generally controlled by climatic factors. The strontium isotopic ratio …

[HTML][HTML] Barite formation in the ocean: Origin of amorphous and crystalline precipitates

F Martinez-Ruiz, A Paytan, MT Gonzalez-Muñoz… - Chemical …, 2019 - Elsevier
Ocean export production is a key constituent in the global carbon cycle impacting climate.
Past ocean export production is commonly estimated by means of barite and Barium …

A 35-million-year record of seawater stable Sr isotopes reveals a fluctuating global carbon cycle

A Paytan, EM Griffith, A Eisenhauer, MP Hain… - Science, 2021 - science.org
Changes in the concentration and isotopic composition of the major constituents in seawater
reflect changes in their sources and sinks. Because many of the processes controlling these …

Barium bioaccumulation by bacterial biofilms and implications for Ba cycling and use of Ba proxies

F Martinez-Ruiz, F Jroundi, A Paytan… - Nature …, 2018 - nature.com
Ba proxies have been broadly used to reconstruct past oceanic export production. However,
the precise mechanisms underlying barite precipitation in undersaturated seawater are not …

[HTML][HTML] Strontium isotopes trace biological activity in the Critical Zone along a climate and vegetation gradient

RA Oeser, F von Blanckenburg - Chemical Geology, 2020 - Elsevier
Weathering and ecosystem nutrition are intimately linked through the supply of fresh mineral
nutrients from regolith and bedrock (the “geogenic nutrient pathway”). However, the …

[PDF][PDF] The role of vegetation in setting strontium stable isotope ratios in the Critical Zone

J Bouchez, F von Blanckenburg - American Journal of Science, 2021 - hal.science
At Earth's surface the stable isotope ratio of strontium (88Sr/86Sr) is predominantly set by
biological uptake of Sr and its storage in plant litter. This conclusion was reached from a …

Isotope fractionation processes of selected elements

J Hoefs, J Hoefs - Stable isotope geochemistry, 2021 - Springer
The foundations of stable isotope geochemistry were laid in 1947 by Urey's classic paper on
the thermodynamic properties of isotopic substances and by Nier's development of the …

[HTML][HTML] The stable strontium isotopic composition of ocean island basalts, mid-ocean ridge basalts, and komatiites

E Amsellem, F Moynier, JMD Day, M Moreira… - Chemical …, 2018 - Elsevier
Abstract The radiogenic 87 Rb-87 Sr system has been widely applied to the study of
geological and planetary processes. In contrast, the stable Sr isotopic composition of the …

Controls on barite crystal morphology during abiotic precipitation

IH Widanagamage, AR Waldron, M Glamoclija - Minerals, 2018 - mdpi.com
Barite (BaSO4) is a stable and widely distributed mineral in Earth's crust. As such, barite has
the potential to preserve specific geochemical and morphological characteristics …