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Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C. / Shatskiy, Anton; Litasov, Konstantin D.; Ohtani, Eiji et al.

In: European Journal of Mineralogy, Vol. 27, No. 4, 2015, p. 487-499.

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

Harvard

Shatskiy, A, Litasov, KD, Ohtani, E, Borzdov, YM, Khmelnikov, AI & Palyanov, YN 2015, 'Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C', European Journal of Mineralogy, vol. 27, no. 4, pp. 487-499. https://doi.org/10.1127/ejm/2015/0027-2452

APA

Shatskiy, A., Litasov, K. D., Ohtani, E., Borzdov, Y. M., Khmelnikov, A. I., & Palyanov, Y. N. (2015). Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C. European Journal of Mineralogy, 27(4), 487-499. https://doi.org/10.1127/ejm/2015/0027-2452

Vancouver

Shatskiy A, Litasov KD, Ohtani E, Borzdov YM, Khmelnikov AI, Palyanov YN. Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C. European Journal of Mineralogy. 2015;27(4):487-499. doi: 10.1127/ejm/2015/0027-2452

Author

Shatskiy, Anton ; Litasov, Konstantin D. ; Ohtani, Eiji et al. / Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C. In: European Journal of Mineralogy. 2015 ; Vol. 27, No. 4. pp. 487-499.

BibTeX

@article{d932e991c4294db7a2625d997f00ff33,
title = "Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C",
abstract = "The phase relations in the K2CO3 FeCO3 system were studied in multianvil experiments using graphite capsules at 6 GPa and 900-1400 degrees C. Subsolidus assemblages comprise the stability fields of K2CO3 + K2Fe(CO3)(2) and K2Fe(CO3)(2) + siderite with the transition boundary at X(K2CO3) = 50 mol%. The K2CO3-K2Fe(CO3)(2) and K2Fe(CO3)(2)-FeCO3 eutectics are established at 1100 degrees C and 65 mol% and at similar to 1150 degrees C and 46 mol% K2CO3, respectively. Siderite is a subliquidus phase at 1400 degrees C at X(K2CO3)The siderite-magnesite system was studied at 6 GPa and 900-1700 degrees C. Complete solid solution is recorded between Fe0.94Mn0.06CO3 siderite and magnesite. At X(MgCO3) = 7 mol% and 1600 degrees C, the (Fe0.90Mn0.06Mg0.04)CO3 partial melt coexists with (Fe0.86Mn0.06Mg0.08)CO3 siderite, whereas at X(MgCO3) = 26 and 35 mol%, the (Fe0.71Mn0.06Mg0.23)CO3 partial melt coexists with (Fe0.51Mn0.06Mg0.43)CO3 siderite. Based on these data, Fe0.94Mn0.06CO3 siderite should melt slightly below 1600 degrees C, i.e. 300 degrees lower than magnesite. Development of bubbles in the quenched melt at X(MgCO3) = 7 mol% and 1700 degrees C suggests incongruent melting of siderite according to the reaction: siderite = liquid + CO2 fluid.",
keywords = "experimental petrology, phase relations, carbonates, high pressure, high temperature, carbonate melt, partial melting, potassium iron carbonate, siderite melting, HIGH-PRESSURE, CARBONATED ECLOGITE, K-CYMRITE, THERMODYNAMIC PROPERTIES, EXPERIMENTAL CONSTRAINTS, MELTING EXPERIMENTS, MINERAL INCLUSIONS, DIAMOND FORMATION, HIGH-TEMPERATURE, KIMBERLITE PIPE",
author = "Anton Shatskiy and Litasov, {Konstantin D.} and Eiji Ohtani and Borzdov, {Yuri M.} and Khmelnikov, {Aleksandr I.} and Palyanov, {Yuri N.}",
year = "2015",
doi = "10.1127/ejm/2015/0027-2452",
language = "English",
volume = "27",
pages = "487--499",
journal = "European Journal of Mineralogy",
issn = "0935-1221",
publisher = "E. Schweizerbartsche Verlagsbuchhandlung",
number = "4",

}

RIS

TY - JOUR

T1 - Phase relations in the K2CO3-FeCO3 and MgCO3-FeCO3 systems at 6 GPa and 900-1700 degrees C

AU - Shatskiy, Anton

AU - Litasov, Konstantin D.

AU - Ohtani, Eiji

AU - Borzdov, Yuri M.

AU - Khmelnikov, Aleksandr I.

AU - Palyanov, Yuri N.

PY - 2015

Y1 - 2015

N2 - The phase relations in the K2CO3 FeCO3 system were studied in multianvil experiments using graphite capsules at 6 GPa and 900-1400 degrees C. Subsolidus assemblages comprise the stability fields of K2CO3 + K2Fe(CO3)(2) and K2Fe(CO3)(2) + siderite with the transition boundary at X(K2CO3) = 50 mol%. The K2CO3-K2Fe(CO3)(2) and K2Fe(CO3)(2)-FeCO3 eutectics are established at 1100 degrees C and 65 mol% and at similar to 1150 degrees C and 46 mol% K2CO3, respectively. Siderite is a subliquidus phase at 1400 degrees C at X(K2CO3)The siderite-magnesite system was studied at 6 GPa and 900-1700 degrees C. Complete solid solution is recorded between Fe0.94Mn0.06CO3 siderite and magnesite. At X(MgCO3) = 7 mol% and 1600 degrees C, the (Fe0.90Mn0.06Mg0.04)CO3 partial melt coexists with (Fe0.86Mn0.06Mg0.08)CO3 siderite, whereas at X(MgCO3) = 26 and 35 mol%, the (Fe0.71Mn0.06Mg0.23)CO3 partial melt coexists with (Fe0.51Mn0.06Mg0.43)CO3 siderite. Based on these data, Fe0.94Mn0.06CO3 siderite should melt slightly below 1600 degrees C, i.e. 300 degrees lower than magnesite. Development of bubbles in the quenched melt at X(MgCO3) = 7 mol% and 1700 degrees C suggests incongruent melting of siderite according to the reaction: siderite = liquid + CO2 fluid.

AB - The phase relations in the K2CO3 FeCO3 system were studied in multianvil experiments using graphite capsules at 6 GPa and 900-1400 degrees C. Subsolidus assemblages comprise the stability fields of K2CO3 + K2Fe(CO3)(2) and K2Fe(CO3)(2) + siderite with the transition boundary at X(K2CO3) = 50 mol%. The K2CO3-K2Fe(CO3)(2) and K2Fe(CO3)(2)-FeCO3 eutectics are established at 1100 degrees C and 65 mol% and at similar to 1150 degrees C and 46 mol% K2CO3, respectively. Siderite is a subliquidus phase at 1400 degrees C at X(K2CO3)The siderite-magnesite system was studied at 6 GPa and 900-1700 degrees C. Complete solid solution is recorded between Fe0.94Mn0.06CO3 siderite and magnesite. At X(MgCO3) = 7 mol% and 1600 degrees C, the (Fe0.90Mn0.06Mg0.04)CO3 partial melt coexists with (Fe0.86Mn0.06Mg0.08)CO3 siderite, whereas at X(MgCO3) = 26 and 35 mol%, the (Fe0.71Mn0.06Mg0.23)CO3 partial melt coexists with (Fe0.51Mn0.06Mg0.43)CO3 siderite. Based on these data, Fe0.94Mn0.06CO3 siderite should melt slightly below 1600 degrees C, i.e. 300 degrees lower than magnesite. Development of bubbles in the quenched melt at X(MgCO3) = 7 mol% and 1700 degrees C suggests incongruent melting of siderite according to the reaction: siderite = liquid + CO2 fluid.

KW - experimental petrology

KW - phase relations

KW - carbonates

KW - high pressure

KW - high temperature

KW - carbonate melt

KW - partial melting

KW - potassium iron carbonate

KW - siderite melting

KW - HIGH-PRESSURE

KW - CARBONATED ECLOGITE

KW - K-CYMRITE

KW - THERMODYNAMIC PROPERTIES

KW - EXPERIMENTAL CONSTRAINTS

KW - MELTING EXPERIMENTS

KW - MINERAL INCLUSIONS

KW - DIAMOND FORMATION

KW - HIGH-TEMPERATURE

KW - KIMBERLITE PIPE

U2 - 10.1127/ejm/2015/0027-2452

DO - 10.1127/ejm/2015/0027-2452

M3 - Article

VL - 27

SP - 487

EP - 499

JO - European Journal of Mineralogy

JF - European Journal of Mineralogy

SN - 0935-1221

IS - 4

ER -

ID: 25728773