Compositions of kimberlite melts: A review of melt inclusions in kimberlite minerals

AV Golovin, VS Kamenetsky - Petrology, 2023 - Springer
The paper presents a comprehensive review of currently available data on melt inclusions
entrapped in minerals of kimberlites of different age and different provenance in ancient …

Solidus and melting of carbonated phlogopite peridotite at 3–6.5 GPa: Implications for mantle metasomatism

A Shatskiy, A Bekhtenova, AV Arefiev… - Gondwana …, 2022 - Elsevier
It is well known that water significantly lowers mantle solidi. But it turns out this paradigm is
not always true. Here, we studied the interaction of K-rich carbonate melts with the natural …

Mineral Assemblage of Olivine-Hosted Melt Inclusions in a Mantle Xenolith from the V. Grib Kimberlite Pipe: Direct Evidence for the Presence of an Alkali-Rich …

AV Golovin, AA Tarasov, EV Agasheva - Minerals, 2023 - mdpi.com
This report deals with the first mineralogical examination of secondary crystallized melt
inclusions (CMIs) in healed cracks within olivine in a mantle peridotite xenolith from the V …

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 …

Composition of supercritical fluid in carbonate-and chlorine-bearing pelite at conditions of subduction zones

AG Sokol, OA Kozmenko, AN Kruk - Contributions to Mineralogy and …, 2023 - Springer
The composition of fluid from carbonate-and chlorine-bearing pelite has been studied at 5.5
GPa, 850–1030° C and at 7.8 GPa, 940–1090° C using the diamond trap method. The run …

Towards composition of carbonatite melts in peridotitic mantle

A Shatskiy, A Bekhtenova, IV Podborodnikov… - Earth and Planetary …, 2022 - Elsevier
It is generally accepted that carbonatite metasomatism in the subcontinental lithospheric
mantle (SCLM) inevitably causes wehrlitization of the primary lherzolite substrate. However …

Phase relations in carbonate component of carbonatized eclogite and peridotite along subduction and continental geotherms

A Bekhtenova, A Shatskiy, IV Podborodnikov… - Gondwana …, 2021 - Elsevier
Phase relations in the carbonate constituent of mafic and ultramafic suites are decisive in the
deep carbon cycle and partial melting in the Earth's mantle. Here we present an …

Solidus of carbonated phlogopite eclogite at 3–6 GPa: Implications for mantle metasomatism and ultra-high pressure metamorphism

A Shatskiy, A Bekhtenova, IV Podborodnikov… - Gondwana …, 2022 - Elsevier
The interaction of natural eclogite (Ecl) with synthetic hydrous carbonate melts with Na: K= 0:
1 (KH2) and 1: 1 (NKH2) was studied in multianvil experiments at 3–6 GPa and 850–1250° …

[HTML][HTML] Kaapvaal lamproite melts (aka orangeites): A new type of alkali-carbonate liquid? insights from olivine-hosted multiphase inclusions (Silvery Home, South …

A Abersteiner, A Tarasov, A Golovin, GH Howarth… - Geoscience …, 2024 - Elsevier
Kaapvaal lamproites (aka orangeites) are a group of volatile-rich (H 2 O, CO 2), micaceous,
ultrapotassic igneous rocks that are unique to the Kaapvaal craton in southern Africa …

[HTML][HTML] Change in carbonate budget and composition during subduction below metal saturation boundary

A Shatskiy, AV Arefiev, KD Litasov - Geoscience Frontiers, 2023 - Elsevier
It is generally accepted that carbonates can be subducted to the mantle depths, where they
are reduced with iron metal to produce a diamond. In this work, we found that this is not …