New Data on the Age and Exhumation Time of Sedimentary Complexes of the Kronotskii Terrane and the Tyshevka Basin (Eastern Kamchatka) Based on Track Dating of Apatite

New data on the fission track ages of apatite detrital grains from Eocene–Miocene deposits of different ages in the Kronotskii Peninsula and the Tyushevka (Tyushevsky) Basin, Eastern Kamchatka are given. The data obtained give us grounds to distinguish three age groups of apatite grains: 31 ± 5, 11–...

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Bibliographic Details
Published in:Doklady earth sciences 2021-09, Vol.500 (1), p.709-714
Main Authors: Tsukanov, N. V., Freitag, R., Gaedicke, C.
Format: Article
Language:English
Subjects:
Age
Age groups
Apatite
Earth and Environmental Science
Earth Sciences
Eocene
Geology
Miocene
Oligocene
Sedimentary basins
Tectonics
Terrigenous sediments
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Summary:New data on the fission track ages of apatite detrital grains from Eocene–Miocene deposits of different ages in the Kronotskii Peninsula and the Tyushevka (Tyushevsky) Basin, Eastern Kamchatka are given. The data obtained give us grounds to distinguish three age groups of apatite grains: 31 ± 5, 11–15, and 6–9 Ma. The exhumation ages of sedimentary complexes containing the studied apatite grains are compared with the times of the main tectonic events in Eastern Kamchatka. It is concluded that the collision processes continued from the Oligocene to the Late Miocene.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X21090208