High-pressure Raman study of nyerereite from Oldoinyo Lengai

Sergey V. Rashchenko; Sergey V. Goryainov; Alexander V. Romanenko; Alexander V. Golovin; Andrey V. Korsakov; Bertrand N. Moine; Anastasia O. Mikhno

doi:10.1002/jrs.5152

High-pressure Raman study of nyerereite from Oldoinyo Lengai

Sergey V. Rashchenko, Sergey V. Goryainov, Alexander V. Romanenko, Alexander V. Golovin, Andrey V. Korsakov, Bertrand N. Moine, Anastasia O. Mikhno

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

5 Цитирования (Scopus)

Аннотация

A rare sodium carbonate nyerereite, (Na,K)₂Ca(CO₃)₂, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a lot of attention as an inclusion phase in mantle minerals formed in the course of deep carbonatite magmatism. We measured the evolution of nyerereite Raman spectra under quasi-hydrostatic compression up to 6.4 GPa using a diamond anvil cell. The ν₄(CO₃ ²⁻) band (710 cm⁻¹ at ambient pressure) and ν₁(CO₃ ²⁻) doublet (1077 and 1086 cm⁻¹ at ambient pressure) demonstrated a positive pressure shift with dν/dP irregularities at 0.5 and 3.0 GPa. The obtained calibration was then used for residual pressure measurements in nyerereite-bearing inclusions in olivine from the Udachnaya-East kimberlite.

Язык оригинала	английский
Страницы (с-по)	1438-1442
Число страниц	5
Журнал	Journal of Raman Spectroscopy
Том	48
Номер выпуска	11
DOI	https://doi.org/10.1002/jrs.5152
Состояние	Опубликовано - 1 ноя 2017

Доступ к документу

10.1002/jrs.5152

Link to publication in Scopus

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@article{275b7cd02218480f8e6ec7d04fe04839,

title = "High-pressure Raman study of nyerereite from Oldoinyo Lengai",

abstract = "A rare sodium carbonate nyerereite, (Na,K)2Ca(CO3)2, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a lot of attention as an inclusion phase in mantle minerals formed in the course of deep carbonatite magmatism. We measured the evolution of nyerereite Raman spectra under quasi-hydrostatic compression up to 6.4 GPa using a diamond anvil cell. The ν4(CO3 2−) band (710 cm−1 at ambient pressure) and ν1(CO3 2−) doublet (1077 and 1086 cm−1 at ambient pressure) demonstrated a positive pressure shift with dν/dP irregularities at 0.5 and 3.0 GPa. The obtained calibration was then used for residual pressure measurements in nyerereite-bearing inclusions in olivine from the Udachnaya-East kimberlite.",

keywords = "carbonate, diamond anvil cell, high pressure, nyerereite, Raman spectroscopy, INCLUSIONS, MANTLE MINERALS, VOLCANO, TANZANIA",

author = "Rashchenko, {Sergey V.} and Goryainov, {Sergey V.} and Romanenko, {Alexander V.} and Golovin, {Alexander V.} and Korsakov, {Andrey V.} and Moine, {Bertrand N.} and Mikhno, {Anastasia O.}",

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High-pressure Raman study of nyerereite from Oldoinyo Lengai. / Rashchenko, Sergey V.; Goryainov, Sergey V.; Romanenko, Alexander V.; Golovin, Alexander V.; Korsakov, Andrey V.; Moine, Bertrand N.; Mikhno, Anastasia O.

В: Journal of Raman Spectroscopy, Том 48, № 11, 01.11.2017, стр. 1438-1442.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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T1 - High-pressure Raman study of nyerereite from Oldoinyo Lengai

AU - Rashchenko, Sergey V.

AU - Goryainov, Sergey V.

AU - Romanenko, Alexander V.

AU - Golovin, Alexander V.

AU - Korsakov, Andrey V.

AU - Moine, Bertrand N.

AU - Mikhno, Anastasia O.

PY - 2017/11/1

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N2 - A rare sodium carbonate nyerereite, (Na,K)2Ca(CO3)2, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a lot of attention as an inclusion phase in mantle minerals formed in the course of deep carbonatite magmatism. We measured the evolution of nyerereite Raman spectra under quasi-hydrostatic compression up to 6.4 GPa using a diamond anvil cell. The ν4(CO3 2−) band (710 cm−1 at ambient pressure) and ν1(CO3 2−) doublet (1077 and 1086 cm−1 at ambient pressure) demonstrated a positive pressure shift with dν/dP irregularities at 0.5 and 3.0 GPa. The obtained calibration was then used for residual pressure measurements in nyerereite-bearing inclusions in olivine from the Udachnaya-East kimberlite.

AB - A rare sodium carbonate nyerereite, (Na,K)2Ca(CO3)2, first found in unique natrocarbonatite lava of Oldoinyo Lengai volcano, also attracted a lot of attention as an inclusion phase in mantle minerals formed in the course of deep carbonatite magmatism. We measured the evolution of nyerereite Raman spectra under quasi-hydrostatic compression up to 6.4 GPa using a diamond anvil cell. The ν4(CO3 2−) band (710 cm−1 at ambient pressure) and ν1(CO3 2−) doublet (1077 and 1086 cm−1 at ambient pressure) demonstrated a positive pressure shift with dν/dP irregularities at 0.5 and 3.0 GPa. The obtained calibration was then used for residual pressure measurements in nyerereite-bearing inclusions in olivine from the Udachnaya-East kimberlite.

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KW - high pressure

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