Carbon-saturated COH fluids in the upper mantle: a review of high-pressure and high-temperature ex situ experiments

C Tiraboschi, F Miozzi, S Tumiati - European Journal of …, 2022 - ejm.copernicus.org
High-pressure COH fluids have a fundamental role in a variety of geological processes.
Their composition in terms of volatile species can control the solidus temperature and …

Electrolytic fluid speciation by Gibbs energy minimization and implications for subduction zone mass transfer

JAD Connolly, ME Galvez - Earth and Planetary Science Letters, 2018 - Elsevier
The number of solute species required to describe the thermodynamic behavior of
electrolytic fluids is a hindrance to the incorporation of aqueous geochemistry in petrological …

Early release of H2O during subduction of carbonated ultramafic lithologies

L Eberhard, O Plümper, DJ Frost - Contributions to Mineralogy and …, 2023 - Springer
To investigate the effect of carbon-bearing phases on the release of fluids in subducted
serpentinites, we performed high-pressure multi-anvil experiments on representative …

Experimental determination of magnesia and silica solubilities in graphite-saturated and redox-buffered high-pressure COH fluids in equilibrium with forsterite+ …

C Tiraboschi, S Tumiati, D Sverjensky, T Pettke… - … to Mineralogy and …, 2018 - Springer
We experimentally investigated the dissolution of forsterite, enstatite and magnesite in
graphite-saturated COH fluids, synthesized using a rocking piston cylinder apparatus at …

Experimental exploration of polycyclic aromatic hydrocarbons stability in subduction zones

L Besognet, B Debret, J Siebert, N Wehr… - … to Mineralogy and …, 2024 - Springer
Thermodynamic, experimental and field studies have suggested that organic compounds
could be stable, and in some cases predominate over inorganic carbon species, within …

Metasomatism at a metapelite–ultramafic rock contact at the subduction interface: insights into mass transfer and fluid flow at the mantle wedge corner

R Oyanagi, M Uno, A Okamoto - Contributions to Mineralogy and Petrology, 2023 - Springer
Metasomatism of the subducting slab and mantle wedge influences the rheological and
chemical properties of rocks at the subduction zone interface. We investigated a serpentinite …

Retrograde carbon sequestration in orogenic complexes: a case study from the Chinese southwestern Tianshan

H Hu, AV Brovarone, L Zhang, F Piccoli, W Peng… - Lithos, 2021 - Elsevier
The interaction between ascending carbonic fluids and rocks at shallow depths in orogenic
systems plays a crucial role in carbon distribution and fluxes regulation. Here we present …

A reliable analytical procedure to determine the carbon isotopic signature of CO2-bearing COH fluids generated in petrological experiments

L Toffolo, L Minopoli, E Ferrari… - European Journal of …, 2025 - ejm.copernicus.org
The ratio of stable carbon isotopes, δ 13 C, serves as a fundamental tracer for geological
processes. Experiments aiming to replicate isotopic exchange between carbon reservoirs …