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The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle. / Shatskiy, Anton; Litasov, Konstantin D.; Sharygin, Igor S. et al.

In: High Pressure Research, Vol. 36, No. 1, 02.01.2016, p. 23-41.

Research output: Contribution to journal › Article › peer-review

Harvard

Shatskiy, A, Litasov, KD, Sharygin, IS, Egonin, IA, Mironov, AM, Palyanov, YN & Ohtani, E 2016, 'The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle', High Pressure Research, vol. 36, no. 1, pp. 23-41. https://doi.org/10.1080/08957959.2015.1135916

APA

Shatskiy, A., Litasov, K. D., Sharygin, I. S., Egonin, I. A., Mironov, A. M., Palyanov, Y. N., & Ohtani, E. (2016). The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle. High Pressure Research, 36(1), 23-41. https://doi.org/10.1080/08957959.2015.1135916

Vancouver

Shatskiy A, Litasov KD, Sharygin IS, Egonin IA, Mironov AM, Palyanov YN et al. The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle. High Pressure Research. 2016 Jan 2;36(1):23-41. doi: 10.1080/08957959.2015.1135916

Author

Shatskiy, Anton ; Litasov, Konstantin D. ; Sharygin, Igor S. et al. / The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle. In: High Pressure Research. 2016 ; Vol. 36, No. 1. pp. 23-41.

BibTeX

@article{8ae803a35efb41e394aac909786b93f7,
title = "The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle",
abstract = "In order to constrain the Na2CO3-CaCO3-MgCO3 T-X diagram at 6 GPa in addition to the binary and pseudo-binary systems we conducted experiments along the Na2CO3-Ca0.5Mg0.5CO3 join. At 900-1000°C, melting does not occur and isothermal sections are presented by one-, two-and three-phase regions containing Ca-bearing magnesite, aragonite, Na2CO3 (Na2) and Na2(Ca1-0.9Mg0-0.1)3-4(CO3)4-5 (Na2Ca3-4), Na4(Ca1-0.6Mg0-0.4)(CO3)3 (Na4Ca), Na2(Ca0-0.08Mg1-0.92)(CO3)2 (Na2Mg) phases with intermediate compositions. The minimum melting point locates between 1000°C and 1100°C. This point would resemble that of three eutectics: Mgs-Na2Ca3-Na2Mg, Na2Mg-Na2Ca3-Na4Ca or Na2Mg-Na4Ca-Na2, in the compositional interval of [45Na2CO3·55(Ca0.6Mg0.4)CO3]-[60Na2CO3·40Ca0.6Mg0.4CO3]. The liquidus projection has seven primary solidification phase regions for Mgs, Dol, Arg, Na2Ca3, Na4Ca, Na2 and Na2Mg. The results suggest that extraction of Na and Ca from silicate to carbonate components has to decrease minimum melting temperature of carbonated mantle rocks to 1000-1100°C at 6 GPa and yields Na-rich dolomitic melt with a Na# (Na2O/(Na2O + CaO + MgO)) ≥ 28 mol%.",
keywords = "carbonate-silicate reaction, high-pressure, NaCO-CaCO-MgCO T-X diagram, partial melting of carbonated lherzolite",
author = "Anton Shatskiy and Litasov, {Konstantin D.} and Sharygin, {Igor S.} and Egonin, {Ilya A.} and Mironov, {Aleksandr M.} and Palyanov, {Yuri N.} and Eiji Ohtani",
year = "2016",
month = jan,
day = "2",
doi = "10.1080/08957959.2015.1135916",
language = "English",
volume = "36",
pages = "23--41",
journal = "High Pressure Research",
issn = "0895-7959",
publisher = "Taylor and Francis Ltd.",
number = "1",

}

RIS

TY - JOUR

T1 - The system Na2CO3-CaCO3-MgCO3 at 6 GPa and 900-1250°C and its relation to the partial melting of carbonated mantle

AU - Shatskiy, Anton

AU - Litasov, Konstantin D.

AU - Sharygin, Igor S.

AU - Egonin, Ilya A.

AU - Mironov, Aleksandr M.

AU - Palyanov, Yuri N.

AU - Ohtani, Eiji

PY - 2016/1/2

Y1 - 2016/1/2

N2 - In order to constrain the Na2CO3-CaCO3-MgCO3 T-X diagram at 6 GPa in addition to the binary and pseudo-binary systems we conducted experiments along the Na2CO3-Ca0.5Mg0.5CO3 join. At 900-1000°C, melting does not occur and isothermal sections are presented by one-, two-and three-phase regions containing Ca-bearing magnesite, aragonite, Na2CO3 (Na2) and Na2(Ca1-0.9Mg0-0.1)3-4(CO3)4-5 (Na2Ca3-4), Na4(Ca1-0.6Mg0-0.4)(CO3)3 (Na4Ca), Na2(Ca0-0.08Mg1-0.92)(CO3)2 (Na2Mg) phases with intermediate compositions. The minimum melting point locates between 1000°C and 1100°C. This point would resemble that of three eutectics: Mgs-Na2Ca3-Na2Mg, Na2Mg-Na2Ca3-Na4Ca or Na2Mg-Na4Ca-Na2, in the compositional interval of [45Na2CO3·55(Ca0.6Mg0.4)CO3]-[60Na2CO3·40Ca0.6Mg0.4CO3]. The liquidus projection has seven primary solidification phase regions for Mgs, Dol, Arg, Na2Ca3, Na4Ca, Na2 and Na2Mg. The results suggest that extraction of Na and Ca from silicate to carbonate components has to decrease minimum melting temperature of carbonated mantle rocks to 1000-1100°C at 6 GPa and yields Na-rich dolomitic melt with a Na# (Na2O/(Na2O + CaO + MgO)) ≥ 28 mol%.

AB - In order to constrain the Na2CO3-CaCO3-MgCO3 T-X diagram at 6 GPa in addition to the binary and pseudo-binary systems we conducted experiments along the Na2CO3-Ca0.5Mg0.5CO3 join. At 900-1000°C, melting does not occur and isothermal sections are presented by one-, two-and three-phase regions containing Ca-bearing magnesite, aragonite, Na2CO3 (Na2) and Na2(Ca1-0.9Mg0-0.1)3-4(CO3)4-5 (Na2Ca3-4), Na4(Ca1-0.6Mg0-0.4)(CO3)3 (Na4Ca), Na2(Ca0-0.08Mg1-0.92)(CO3)2 (Na2Mg) phases with intermediate compositions. The minimum melting point locates between 1000°C and 1100°C. This point would resemble that of three eutectics: Mgs-Na2Ca3-Na2Mg, Na2Mg-Na2Ca3-Na4Ca or Na2Mg-Na4Ca-Na2, in the compositional interval of [45Na2CO3·55(Ca0.6Mg0.4)CO3]-[60Na2CO3·40Ca0.6Mg0.4CO3]. The liquidus projection has seven primary solidification phase regions for Mgs, Dol, Arg, Na2Ca3, Na4Ca, Na2 and Na2Mg. The results suggest that extraction of Na and Ca from silicate to carbonate components has to decrease minimum melting temperature of carbonated mantle rocks to 1000-1100°C at 6 GPa and yields Na-rich dolomitic melt with a Na# (Na2O/(Na2O + CaO + MgO)) ≥ 28 mol%.

KW - carbonate-silicate reaction

KW - high-pressure

KW - NaCO-CaCO-MgCO T-X diagram

KW - partial melting of carbonated lherzolite

UR - http://www.scopus.com/inward/record.url?scp=84959525343&partnerID=8YFLogxK

U2 - 10.1080/08957959.2015.1135916

DO - 10.1080/08957959.2015.1135916

M3 - Article

AN - SCOPUS:84959525343

VL - 36

SP - 23

EP - 41

JO - High Pressure Research

JF - High Pressure Research

SN - 0895-7959

IS - 1

ER -

ID: 25725242