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THE VENDIAN VILYUCHAN HORIZON IN THE NYUYA ZONE IN THE SOUTH-EAST OF THE SIBERIAN PLATFORM

N. V. Melnikov, L. V. Ryabkova

Siberian Research Institute of Geology, Geophysics and Mineral Resources, Novosibirsk, Russia

The present paper gives the structure analysis of the lower section part of Riphean-Vendian sediments of the Nyuya zone in the south-east of the Siberian Platform. The study results showed a complex heterochronous structure of the Talakan Formation section. The sharp difference in lithological rock composition, presence of depositional breaks of the Lower Talakan Subformation does not allow leaving this part of the section as a part of the Talakan Formation. It is proposed to refer the deposits of the lower part of the Talakan Formation to the older ones. The article is a continuation of series of works devoted to the improvement of stratigraphic schemes for the Vendian-Riphean of the Siberian Platform.

Keywords: Vendian, Nyuya zone, Vilyuchan Horizon, Talakan Formation, dark-gray stratum, conglomerate stratum, rhythmite stratum.

DOI 10.20403/2078-0575-2023-4b-119-129

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