Interaction of the Central Asian and Pacific Mobile Belts in the Late Triassic-Jurassic in Lower Priamurye (Russian Far East)
https://doi.org/10.52349/08697892_2021_87_17-27
Abstract
The Central Asian and Pacific Mobile Belts abut against each other almost at a right angle in the Far East of Russia. Interaction of these belts can be traced back to the end of the Precambrian, and yet primarily early Mesozoic (Upper Triassic-Jurassic) formations and features widespread in Lower Priamurye make their detailed analysis feasible. As of now, they are assigned (depending on the approach to tectonic zoning) to either the Ulban (Mongol-Okhotsk fold system) and Badzhal-Gorin (Sikhe-Alin fold system) tectonostratigraphic zones or the Ulban and Badzhal terranes. The data provided in the up-to-date State Geological Map of the Russian Federation, Scale 1:1,000,000, (3rd ed.) are very much in evidence for the formation of early Mesozoic deposits in a single sea basin within Lower Priamurye, with similar stratigraphic sections, lithology, folding, and metamorphism. It is proposed that an area of Interference of the Central Asian and Pacific Mobile Belts of the mobile belt rank be identified in the Russian Far East in the course of tectonic zoning.
About the Author
V. Yu. Zabrodin
Institute of Tectonics and Geophysics FEB RAS (ITiG FEB RAS)
Russian Federation
Russian Federation
Doctor of Geological and Mineralogical Sciences, Leading Researcher
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For citations:
Zabrodin V.Yu. Interaction of the Central Asian and Pacific Mobile Belts in the Late Triassic-Jurassic in Lower Priamurye (Russian Far East). Regional Geology and Metallogeny. 2021;(87):17–27. (In Russ.) https://doi.org/10.52349/08697892_2021_87_17-27
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