A Vendian manganese-bearing basin of the Ikat terrane: Formation settings and provenance areas

A Vendian manganese-bearing basin of the Ikat terrane: Formation settings and provenance areas

The results of geochemical, mineralogical, and isotope (U–Pb and Sm–Nd) studies of metasedimentary manganese-bearing rocks from the Itantsa Formation of the Ikat terrane are presented. It is found that the carbonate-effusive-shale complex of the Itantsa Fm. formed under the continental margin enviro...

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Veröffentlicht in:Doklady earth sciences 2017-07, Vol.475 (1), p.739-742
Hauptverfasser: Shkolnik, S. I., Letnikova, E. F., Maslov, A. V., Buyantuev, M. D., Reznitskii, L. Z., Barash, I. G.
Format: Artikel
Sprache:eng
Schlagworte:
Carbonates
Continental margins
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Isotopes
Manganese
Manganese compounds
Minerals
Provenance
Sedimentary rocks
Sedimentation
Shale
Uranium
Volcanic activity
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Beschreibung
Zusammenfassung:The results of geochemical, mineralogical, and isotope (U–Pb and Sm–Nd) studies of metasedimentary manganese-bearing rocks from the Itantsa Formation of the Ikat terrane are presented. It is found that the carbonate-effusive-shale complex of the Itantsa Fm. formed under the continental margin environment, with volcanic activity accompanying sedimentation, in the interval of 650–540 Ma ago.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X1707008X