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 …

Metasomatic interaction of the eutectic Na-and K-bearing carbonate melts with natural garnet lherzolite at 6 GPa and 1100–1200 C: toward carbonatite melt …

A Shatskiy, A Bekhtenova, IV Podborodnikov… - Lithos, 2020 - Elsevier
The range of carbonatite melts in equilibrium with the subcontinental lithospheric mantle
(SCLM) under geothermal conditions is limited by alkali-rich near-eutectic compositions …

Carbonate melt interaction with natural eclogite at 6 GPa and 1100–1200 C: Implications for metasomatic melt composition in subcontinental lithospheric mantle

A Shatskiy, A Bekhtenova, IV Podborodnikov… - Chemical …, 2020 - Elsevier
Compositional ranges of carbonate melt s stable under PT conditions corresponding to the
base of subcontinental lithospheric mantle (SCLM) are limited by alkali-rich near-eutectic …

[HTML][HTML] Genetic link between saline and carbonatitic mantle fluids: The system NaCl-CaCO3-MgCO3±H2O±Fe0 at 6 GPa

A Shatskiy, IV Podborodnikov, AV Arefiev… - Geoscience …, 2022 - Elsevier
Melt inclusions in kimberlitic minerals and diamonds indicate that chlorides are important
constituents of mantle carbonatite melts. Besides, alkaline chlorides are important …

Recycling carbonated hydrous sediments into the mantle source of carbonatite-associated rare-earth-element deposits

X Geng, S Tian, L Chen, Z Liang, W Xu, N Lu, W Hu… - Gondwana …, 2024 - Elsevier
Decoding the petrogenesis of carbonatites is of great importance for our understanding of
the Earth's deep carbon cycling and formation of rare-earth-element (REE) deposits. Among …

The evolution of diamond-forming fluids indicating a pre-kimberlitic metasomatic event in the mantle beneath the Mirny field (Siberian craton)

NV Gubanov, DA Zedgenizov - Contributions to Mineralogy and Petrology, 2023 - Springer
A suite of coated diamonds from the International'naya (n= 63) and Mir (n= 5) kimberlite
pipes (Mirny field, Siberian craton) was studied to track the most recent metasomatic events …

The system NaAlSi2O6‒CaMgSi2O6−CO2 at 3–6.5 GPa: implications for CO2 stability in the eclogitic suite at depths of 100–200 km

A Shatskiy, YG Vinogradova, AV Arefiev… - … to Mineralogy and …, 2023 - Springer
In this work, we studied the phase relationships in the NaAlSi2O6–CaMgSi2O6–CO2 system
in the range of 3–6.5 GPa and 900–1500℃ using a multianvil press. The duration of most …

Carbon flux and alkaline volcanism: Evidence from carbonatite-like carbonate minerals in trachytes, Ulleung Island, South Korea

SS Chen, M Ren, H Lee, E Smith, S Huang… - American …, 2022 - degruyter.com
Carbon flux metasomatism in the subduction environment is an important process, but it
remains poorly understood. The paucity of exposed lower crust and upper mantle rocks in …

The system KCl− CaCO3− MgCO3 at 6 GPa: A link between saline and carbonatitic diamond-forming fluids

A Shatskiy, IV Podborodnikov, AV Arefiev… - Chemical …, 2022 - Elsevier
Alkaline chlorides and carbonates are abundant in melt inclusions in diamonds, mantle
xenoliths, and igneous minerals from kimberlites. Despite this, the phase relationships in …

Stability of CO2 Fluid in Eclogitic Mantle Lithosphere: Thermodynamic Calculations

YG Vinogradova, A Shatskiy - Minerals, 2024 - mdpi.com
Findings of solid and liquefied CO2 in diamonds from kimberlites and placers have indicated
its presence in the form of a fluid phase in the Earth's mantle at depths of 150–250 km …