Late Vendian postcollisional leucogranites of Yenisei Ridge

A. D. Nozhkin, I. I. Likhanov, V. V. Reverdatto, T. B. Bayanova, S. V. Zinoviev, P. S. Kozlov, N. V. Popov, N. V. Dmitrieva

Результат исследования: Научные публикации в периодических изданияхстатья

5 Цитирования (Scopus)

Аннотация

The Late Vendian (540–550 Ma) U–Pb zircon age of postcollisional granitoids in the Osinovka Massif was obtained for the first time. The Osinovka Massif is located in rocks of the island-arc complex of the Isakovka Terrane, in the northwestern part of the Sayany–Yenisei accretion belt. These events stand for the final stage of the Neoproterozoic history of the Yenisei Ridge, related to the completing accretion of the oceanic crust fragments and the beginning of the Caledonian orogenesis. The petrogeochemical composition and the Sm–Nd isotopic characteristics support the fact that the granitoid melt originated from a highly differentiated continental crust of the southwestern margin of the Siberian Craton. Hence, the granite-bearing Late Riphean island-arc complexes were thrust over the craton margin at a distance considerably exceeding the dimensions of the Osinovka Massif.

Язык оригиналаанглийский
Страницы (с-по)674-679
Число страниц6
ЖурналDoklady Earth Sciences
Том474
Номер выпуска2
DOI
СостояниеОпубликовано - 1 июн 2017

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  • Цитировать

    Nozhkin, A. D., Likhanov, I. I., Reverdatto, V. V., Bayanova, T. B., Zinoviev, S. V., Kozlov, P. S., Popov, N. V., & Dmitrieva, N. V. (2017). Late Vendian postcollisional leucogranites of Yenisei Ridge. Doklady Earth Sciences, 474(2), 674-679. https://doi.org/10.1134/S1028334X17060125