Redox-influenced seismic properties of upper-mantle olivine
Lateral variations of seismic wave speeds and attenuation (dissipation of strain energy) in
the Earth's upper mantle have the potential to map key characteristics such as temperature …
the Earth's upper mantle have the potential to map key characteristics such as temperature …
Rise of Earth's atmospheric oxygen controlled by efficient subduction of organic carbon
MS Duncan, R Dasgupta - Nature Geoscience, 2017 - nature.com
The net flux of carbon between the Earth's interior and exterior, which is critical for redox
evolution and planetary habitability, relies heavily on the extent of carbon subduction. While …
evolution and planetary habitability, relies heavily on the extent of carbon subduction. While …
Oxygen fugacity, temperature reproducibility, and H2O contents of nominally anhydrous piston-cylinder experiments using graphite capsules
The Pt-graphite double-capsule technique is a very commonly used method in high-
temperature, high-pressure experimental petrology, particularly for anhydrous experiments …
temperature, high-pressure experimental petrology, particularly for anhydrous experiments …
The oxygen fugacity at which graphite or diamond forms from carbonate-bearing melts in eclogitic rocks
The oxygen fugacity (f O 2) at which carbonate-bearing melts are reduced to either graphite
or diamond in synthetic eclogite compositions has been measured in multi-anvil …
or diamond in synthetic eclogite compositions has been measured in multi-anvil …
Experiments and models bearing on the role of chromite as a collector of platinum group minerals by local reduction
CS Finnigan, JM Brenan, JE Mungall… - Journal of …, 2008 - academic.oup.com
Chromite is widely recognized to act as a collector for platinum group elements (PGE), which
tend to be observed as discrete grains of platinum group minerals included within magmatic …
tend to be observed as discrete grains of platinum group minerals included within magmatic …
Fe3+ partitioning between clinopyroxene and silicate melt at 1–2.5 GPa: Implications for Fe3+ content of MORB and OIB source mantle
A Rudra, MM Hirschmann - Geochimica et Cosmochimica Acta, 2022 - Elsevier
Pyroxene is the chief reservoir of Fe 3+ in upper mantle peridotite, but experiments exploring
pyroxene/melt Fe 3+ partitioning (D Fe3+ pyx/liq) have been restricted to 100 kPa and …
pyroxene/melt Fe 3+ partitioning (D Fe3+ pyx/liq) have been restricted to 100 kPa and …
Speciation and solubility of reduced C–O–H–N volatiles in mafic melt: Implications for volcanism, atmospheric evolution, and deep volatile cycles in the terrestrial …
LS Armstrong, MM Hirschmann, BD Stanley… - … et Cosmochimica Acta, 2015 - Elsevier
Using vibrational spectroscopy and SIMS, we determined the solubility and speciation of C–
O–H–N dissolved volatiles in mafic glasses quenched from high pressure under reduced …
O–H–N dissolved volatiles in mafic glasses quenched from high pressure under reduced …
Partitioning of Fe2O3 in peridotite partial melting experiments over a range of oxygen fugacities elucidates ferric iron systematics in mid-ocean ridge basalts and …
FA Davis, E Cottrell - Contributions to Mineralogy and Petrology, 2021 - Springer
Basalts and peridotites from mid-ocean ridges record f O2 near the quartz-fayalite-magnetite
buffer (QFM), but peridotite partial melting experiments have mostly been performed in …
buffer (QFM), but peridotite partial melting experiments have mostly been performed in …
Crystallization of platinum-group minerals from silicate melts: Evidence from Cr-spinel–hosted inclusions in volcanic rocks
The formation of platinum-group minerals (PGM) during magma differentiation has been
suggested to be an important process in primitive magma evolution, but decisive textural …
suggested to be an important process in primitive magma evolution, but decisive textural …
Carbon, carbides, carbonates and carbonatitic melts in the Earth's interior
V Stagno - Journal of the Geological Society, 2019 - lyellcollection.org
Over recent decades, many experimental studies have focused on the effect of CO2 on
phase equilibria and melting behaviour of synthetic eclogites and peridotites as a function of …
phase equilibria and melting behaviour of synthetic eclogites and peridotites as a function of …