[HTML][HTML] The sulfur isotope evolution of magmatic-hydrothermal fluids: Insights into ore-forming processes
Metal-rich fluids that circulate in magmatic-hydrothermal environments form a wide array of
economically significant ore deposits. Unravelling the origins and evolution of these fluids is …
economically significant ore deposits. Unravelling the origins and evolution of these fluids is …
The sulfate capacities of silicate melts
HSC O'Neill, JA Mavrogenes - Geochimica et Cosmochimica Acta, 2022 - Elsevier
The solubility of sulfur as sulfate (SO 4 2− or S 6+) in silicate melts has been measured
experimentally under oxidizing conditions at 1200 to 1500° C, using SO 2-O 2 and SO 2-CO …
experimentally under oxidizing conditions at 1200 to 1500° C, using SO 2-O 2 and SO 2-CO …
Global trends in novel stable isotopes in basalts: Theory and observations
The geochemistry of global mantle melts suggests that both mid-ocean ridge basalts
(MORB) and ocean island basalts (OIB) sample lithological and temperature heterogeneities …
(MORB) and ocean island basalts (OIB) sample lithological and temperature heterogeneities …
Composition and speciation of volcanic volatiles on the Moon
Lunar volcanic volatiles are crucial for understanding eruption dynamics on the Moon as
well as the potential formation, life span, and dissipation of a lunar secondary atmosphere …
well as the potential formation, life span, and dissipation of a lunar secondary atmosphere …
[HTML][HTML] Oxygen fugacity-mediated carbonate reactions with siliceous fluids in shallow subduction zones
F Sun, J Hu, W Gui, A Deng, P Sun, F Xiong, J Liu - Geoscience Frontiers, 2024 - Elsevier
Sediments are one of the main carbon sinks in subduction zones, with CaCO 3 and SiO 2
being the main components in sediments. Their chemical stability plays a significant role in …
being the main components in sediments. Their chemical stability plays a significant role in …
Generation of Calc-alkaline magmas during crystallization at high oxygen fugacity: an experimental and petrologic study of Tephras from Buldir volcano, Western …
Despite agreement that calc-alkaline volcanism occurs at subduction zones and is
responsible for the genesis of continental landmasses, there is no consensus on the source …
responsible for the genesis of continental landmasses, there is no consensus on the source …
The oxidation state of chromium in basaltic silicate melts
HSC O'Neill, AJ Berry - Geochimica et Cosmochimica Acta, 2021 - Elsevier
Abstract Cr 3+/Cr 2+ in melts in the systems CaO-MgO-Al 2 O 3-SiO 2±Na 2 O±K 2 O doped
with Cr added as 0.5 wt% Cr 2 O 3 were determined as a function of oxygen fugacity (fO 2) at …
with Cr added as 0.5 wt% Cr 2 O 3 were determined as a function of oxygen fugacity (fO 2) at …
[PDF][PDF] PySulfSat: an open-source Python3 tool for modelling sulfide and sulfate saturation
We present PySulfSat, an Open-Source Python3 tool for modeling sulfide and anhydrite
saturation in magmas. PySulfSat supports a variety of data types (spreadsheets, Petrolog3 …
saturation in magmas. PySulfSat supports a variety of data types (spreadsheets, Petrolog3 …
[HTML][HTML] The relationship between iron redox states and H2O contents in back-arc basin basaltic glasses from the North Fiji Basin
Island-arc basalts (IAB) from convergent plate margins tend to have both higher iron
oxidation states (higher Fe 3+/Fe 2+) and higher H 2 O contents than the mid-ocean ridge …
oxidation states (higher Fe 3+/Fe 2+) and higher H 2 O contents than the mid-ocean ridge …
Metasomatic ijolite, glimmerite, silicocarbonatite, and antiskarn formation: carbonatite and silicate phase equilibria in the system Na2O–CaO–K2O–FeO–MgO–Al2O3 …
M Anenburg, JB Walters - Contributions to Mineralogy and Petrology, 2024 - Springer
Silicocarbonatites are carbonatite rocks containing> 20% silicate minerals. Their formation is
not well understood due to low silica solubility in carbonatite melts and negligible amounts …
not well understood due to low silica solubility in carbonatite melts and negligible amounts …