Isotope composition of strontium, carbon, and oxygen in magnesian carbonates of the Onot greenstone belt

Study of carbonate rocks in greenstone belts of South Africa, Canada, and Australia increased significantly our knowledge on the conditions of the forma tion of Archean chemogenic sediments, but for the OGB investigations of such kind had not been performed. However, this belt contains magnesite ser...

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Published inDoklady earth sciences Vol. 455; no. 1; pp. 341 - 345
Main Authors Gorokhov, I. M., Dubinina, E. O., Kuznetsov, A. B., Levitskii, V. I., Konstantinova, G. V., Turchenko, T. L., Levitskii, I. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.03.2014
Springer
Springer Nature B.V
Subjects
Carbonate minerals
Carbonate rocks
Carbonates
Earth and Environmental Science
Earth Sciences
Geochemistry
Isotopes
Lithosphere
Magnesium compounds
Mineralogy
Strontium
Oxygen Isotope
DOKLADY Earth Science
87Sr
Dolomite
Isotope Composition
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Summary:Study of carbonate rocks in greenstone belts of South Africa, Canada, and Australia increased significantly our knowledge on the conditions of the forma tion of Archean chemogenic sediments, but for the OGB investigations of such kind had not been performed. However, this belt contains magnesite series in a volume that has no analog among the Archean greenstone belts of other regions. In this paper, we report the first isotopegeochemical data for ancient magnesian carbonates of the OGB, which provide evidence for specifics of the formation of these rocks and for the role of metosomatic processes in their lithogenetic history.
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ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X14030258