IDENTIFYING UPPER MIOCENE – LOWER PLIOCENE LACUSTRINE SEDIMENTS IN DRY TUNKA BASIN OF THE BAIKAL RIFT ZONE

Authors :: A. Hassan
S. V. Rasskazov
I. S. Chuvashova
T. A. Yasnygina
L. A. Titova
N. V. Kulagina
M. V. Usoltseva
Source :: Geodinamika i Tektonofizika, Vol 11, Iss 2, Pp 262-284 (2020)
Publication Year :: 2020
Publisher :: Institute of the Earth's crust, Siberian Branch of RAS, 2020.
Abstract: We present results of lithogeochemical, diatomic and palynological studies of sediments from the Tunka-13 well that was drilled in the southeastern part of dry Tunka basin in the Baikal rift zone. At the base of the section, there is an eroded basaltic flow of 16–15 Ma. From lithogeochemical signatures, we identify nine sedimentary units. The seven lower ones (interval 7.2–86.5 m) belong to the Tankhoi formation, the eighth (interval 2.7–6.6 m) to the Anosov formation, the ninth (interval

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