Geochemistry of silicate and oxide inclusions in sublithospheric diamonds

MJ Walter, AR Thomson… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Minerals included in diamonds provide direct information about the petrologic and chemical
environment of diamond crystallization. They record information relating to local and …

Experimental petrology applied to natural diamond growth

RW Luth, YN Palyanov… - Reviews in Mineralogy …, 2022 - pubs.geoscienceworld.org
Perhaps the first point to address in this chapter is what role, or roles, experimental petrology
can play in understanding the formation of natural diamond. As can be seen from the other …

A practical review of the laser-heated diamond anvil cell for university laboratories and synchrotron applications

S Anzellini, S Boccato - Crystals, 2020 - mdpi.com
In the past couple of decades, the laser-heated diamond anvil cell (combined with in situ
techniques) has become an extensively used tool for studying pressure-temperature …

Reversal of carbonate-silicate cation exchange in cold slabs in Earth's lower mantle

M Lv, SM Dorfman, J Badro, S Borensztajn… - Nature …, 2021 - nature.com
The stable forms of carbon in Earth's deep interior control storage and fluxes of carbon
through the planet over geologic time, impacting the surface climate as well as carrying …

Stability of Ca2CO4-Pnma against the Main Mantle Minerals from Ab Initio Computations

DN Sagatova, AF Shatskiy… - ACS Earth and Space …, 2021 - ACS Publications
Recently, calcium orthocarbonate (Ca2CO4-Pnma) has been predicted to be stable under P–
T conditions of the Earth's transition zone and the lower mantle. Here, we investigate its …

Liquid structure under extreme conditions: high-pressure x-ray diffraction studies

JWE Drewitt - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Under extreme conditions of high pressure and temperature, liquids can undergo substantial
structural transformations as their atoms rearrange to minimise energy within a more …

Pyroxene-carbonate reactions in the CaMgSi2O6 ± NaAlSi2O6 + MgCO3 ± Na2CO3 ± K2CO3 system at 3–6 GPa: Implications for partial melting of …

A Shatskiy, IV Podborodnikov, AV Arefiev… - … to Mineralogy and …, 2021 - Springer
The reactions between pyroxenes and carbonates have been studied in the CaMgSi 2 O 6+
MgCO 3 (Di+ 2Mgs), CaMgSi 2 O 6+ NaAlSi 2 O 6+ 2MgCO 3 (Di+ Jd+ 2Mgs), CaMgSi 2 O …

Carbonate-Metal Reactions in the Lower Mantle

AH Davis, BA Chidester, E Greenberg… - ACS Earth and Space …, 2024 - ACS Publications
Carbonates are important carbon-bearing phases in the mantle. While their role in upper
mantle petrologic processes has been well studied, their effect on phase relations, melting …

[HTML][HTML] Iron-rich carbonates stabilized by magnetic entropy at lower mantle conditions

Z Li, S Stackhouse - Earth and Planetary Science Letters, 2020 - Elsevier
Constraining the flux of carbon in and out of the interior of the Earth due to long-term
geological processes is important, because of the influence that it has on climate change …

Carbon isotope composition of basalts from Loihi Seamount: Primordial or recycled carbon in the Hawaiian mantle plume?

DW Graham, PJ Michael, TB Truong - Earth and Planetary Science Letters, 2023 - Elsevier
We analyzed the carbon isotope composition of vesicle CO 2, plus He isotopes and He and
CO 2 concentrations in the vesicle (vapor) and glass (melt) phases of 37 submarine basalts …