Oxygen isotopic composition of boron minerals from kurchatovite-sakhaite ores of the Solongo deposit-Reference-Cited by-同舟云学术

Oxygen isotopic composition of boron minerals from kurchatovite-sakhaite ores of the Solongo deposit

Published:2022-06-30 Issue:2 Volume:45 Page:104-118
ISSN:2686-7931
Container-title:Earth sciences and subsoil use
language:
Short-container-title:jour

Author:

Izbrodina S. Yu.¹^ORCID,Posokhov V. F.¹

Affiliation:

1. Dobretsov Geological Institute, Siberian Branch of the Russian Academy of Sciences

Abstract

The Solongo boron-magnetite skarn deposit (Western Transbaikalia, Russia) features industrial reserves of rare kurchatovite-sakhaite ores. The purpose of the work is to study the oxygen isotopic composition of boron-bearing minerals from the kurchatovite-sakhaite ores of the deposit. The samples were studied using modern methods of electron microscopy, mass spectrometry. The original photographs of transparent thin sections and images of the samples in backscattered electrons show mineral associations of sakhaite and kurchatovite icluding polymineral szaibeliite-sibirskite-calcite aggregate, roweite, fedorovskite, ludwigite, forsterite, serpentine, titanite, sphalerite, magnetite, jacobsite, apatite, turneaureite. The evolution of the Solongo deposit boron minerals is described. The following indicators of the oxygen isotopic composition δ18О v-SMOW in minerals have been obtained: sakhaite – +1 ‰, roweite – +2.7 ‰, kurchatovite – +1.9 ‰, magnetite – -0.3 ‰. The comparison of isotopic data on sakhaite with the available literature data has shown that the sakhaite of Solongo boron ores has a relatively light oxygen composition. The indicators obtained are attributed to the participation of meteoric waters including melt waters of firn basins and permafrost, in the formation process of the deposit, as well as reduced index of the oxygen isotope composition δ18O of the dolomites of the Ozerninsky ore cluster, whose transformation is associated with the sakhaite formation.

Publisher

Irkutsk National Research Technical University

Subject

General Earth and Planetary Sciences,General Environmental Science

Reference24 articles.

1. Malinko S. V., Lisitsyn A. E., Dorofeeva K. A., Ostrovskaya I. V., Shashkin D. P. A new mineral kurchatovite. Zapiski Vsesoyuznogo mineralogicheskogo obshchestva.1966;95(2):203-209. (In Russ.).

2. Malinko S. V. A new boron mineral – solongoite. Zapiski Vsesoyuznogo mineralogicheskogo obshchestva. 1974;103(1):117-121. (In Russ.).

3. Malinko S. V., Shashkin D. P., Yurkina K. V. Fedorovskite as a new mineral of boron and as an isomorphic series of roweite. Zapiski Vsesoyuznogo mineralogicheskogo obshchestva. 1976;105(1):71-85. (In Russ.).

4. Simonov M. A., Malinko S. V., Belov N. V., Kazanskaya E. V., Egorov-Tismenko Yu. K., Fe-dorenko M. B., et al. New mineral hexahydroborite Са[В(ОН)4]2·2Н2О. Zapiski Vsesoyuznogo mineralogicheskogo obshchestva. 1977;106(6):688-691. (In Russ.).

5. Chukanov N. V., Pekov I. V., Malinko S. V., Zadov A. E., Dubinchuk V. T. A new mineral vitimite Ca6B14O19[SO4](ОН)14·5H2O and its formation conditions at the Solongo deposit (Buryatia). Zapiski Vserossiiskogo mineralogicheskogo obshchestva. 2002;131(4):41-47. (In Russ.).

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