REE incorporation into calcite individual crystals as one time spike addition

Rinat I. Gabitov, Aleksey Sadekov, Artas Migdisov

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Experiments on the incorporation of trace elements into calcite were performed, and rare earth elements (REE) were used to mark the growth zones of individual crystals. Experiments were conducted at different pH (7.7 to 8.8) and temperatures (2 °C to 24.6 °C) in NH4Cl + CaCl2 solutions, where REE were rapidly consumed by growing calcite. LA-ICP-MS line-scans yielded the distribution of (REE/Ca)calcite within individual crystals in a manner consistent with the addition of REE into fluid. A sharp decrease of (REE/Ca)calcite toward the crystal edge suggests the fast depletion of (REE/Ca)fluid due to strong REE consumption by growing calcite. An attempt was made to estimate the lower limit of the partition coefficients between calcite and fluid using selected REE/Ca data within individual calcite crystals and the amount of REE added into fluid.

Original languageEnglish
Article number204
JournalMinerals
Volume7
Issue number11
DOIs
Publication statusPublished - 1 Nov 2017

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Calcite
Rare earth elements
rare earth element
calcite
crystal
Crystals
Fluids
fluid
incorporation
Trace elements
partition coefficient
experiment
Experiments
trace element

Cite this

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title = "REE incorporation into calcite individual crystals as one time spike addition",
abstract = "Experiments on the incorporation of trace elements into calcite were performed, and rare earth elements (REE) were used to mark the growth zones of individual crystals. Experiments were conducted at different pH (7.7 to 8.8) and temperatures (2 °C to 24.6 °C) in NH4Cl + CaCl2 solutions, where REE were rapidly consumed by growing calcite. LA-ICP-MS line-scans yielded the distribution of (REE/Ca)calcite within individual crystals in a manner consistent with the addition of REE into fluid. A sharp decrease of (REE/Ca)calcite toward the crystal edge suggests the fast depletion of (REE/Ca)fluid due to strong REE consumption by growing calcite. An attempt was made to estimate the lower limit of the partition coefficients between calcite and fluid using selected REE/Ca data within individual calcite crystals and the amount of REE added into fluid.",
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REE incorporation into calcite individual crystals as one time spike addition. / Gabitov, Rinat I.; Sadekov, Aleksey; Migdisov, Artas.

In: Minerals, Vol. 7, No. 11, 204, 01.11.2017.

Research output: Contribution to journalArticle

TY - JOUR

T1 - REE incorporation into calcite individual crystals as one time spike addition

AU - Gabitov, Rinat I.

AU - Sadekov, Aleksey

AU - Migdisov, Artas

PY - 2017/11/1

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AB - Experiments on the incorporation of trace elements into calcite were performed, and rare earth elements (REE) were used to mark the growth zones of individual crystals. Experiments were conducted at different pH (7.7 to 8.8) and temperatures (2 °C to 24.6 °C) in NH4Cl + CaCl2 solutions, where REE were rapidly consumed by growing calcite. LA-ICP-MS line-scans yielded the distribution of (REE/Ca)calcite within individual crystals in a manner consistent with the addition of REE into fluid. A sharp decrease of (REE/Ca)calcite toward the crystal edge suggests the fast depletion of (REE/Ca)fluid due to strong REE consumption by growing calcite. An attempt was made to estimate the lower limit of the partition coefficients between calcite and fluid using selected REE/Ca data within individual calcite crystals and the amount of REE added into fluid.

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