Sources and Provenances of Late Cenozoic Sand Deposits of the Ol’khon Island (Baikal Rift Zone)

Geochronological (LA–ICP–MS) U–Th–Pb studies of detrital zircon of the Late Cenozoic sand deposits on Ol’khon Island have been performed. It has been shown that their main source is represented by Early Paleozoic igneous and metamorphic complexes of the Ol’khon Terrane of the Central-Asian Mobile be...

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Published inDoklady earth sciences Vol. 484; no. 1; pp. 45 - 47
Main Authors Kotov, A. B., Skovitina, T. M., Kovach, V. P., Sklyarov, E. V., Donskaya, T. V., Lopatin, D. V., Plotkina, Yu. V., Tolmacheva, E. V., Gorokhovskii, B. M., Buchnev, I. N.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2019
Springer
Springer Nature B.V
Subjects
Air flow
Carboniferous
Cenozoic
Earth and Environmental Science
Earth Sciences
Geochronology
Geological time
Geology
Granite
Lake ice
Lakes
Paleozoic
Permian
Phanerozoic Eon
Rift zones
Sand
Zircon
Zirconium
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Summary:Geochronological (LA–ICP–MS) U–Th–Pb studies of detrital zircon of the Late Cenozoic sand deposits on Ol’khon Island have been performed. It has been shown that their main source is represented by Early Paleozoic igneous and metamorphic complexes of the Ol’khon Terrane of the Central-Asian Mobile belt and Late Carboniferous–Early Permian granitoids of the Angara–Vitim batholite. Sands from the source were transported over a distance of no less than 100 km. It is supposed that it was effectuated by strong air flows, over the ice on the Lake Baikal in particular.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X19010203