The Taratash indenter and its role in the geological structure of the Urals

This work presents the results of studying zones bounded by the Archean and Early Proterozoic Taratash block, which breaks the meridional structure of the Urals, pinching its structural zones at the latitude of the town of Miass. The mesostructures of rupture zones, microtextures of tectonites, anis...

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Bibliographic Details
Published in:Moscow University geology bulletin 2017-03, Vol.72 (2), p.95-105
Main Authors: Tevelev, Al. V., Tevelev, Ark. V., Fedorchuk, V. A., Khotylev, A. O., Kosheleva, I. A.
Format: Article
Language:English
Subjects:
Anisotropy
Compression
Earth and Environmental Science
Earth Sciences
Geological structures
Geological time
Geology
Geophysics
History
Magnetic fields
Magnetic susceptibility
Mountains
Paleozoic
Precambrian
Wave propagation
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Summary:This work presents the results of studying zones bounded by the Archean and Early Proterozoic Taratash block, which breaks the meridional structure of the Urals, pinching its structural zones at the latitude of the town of Miass. The mesostructures of rupture zones, microtextures of tectonites, anisotropy of the magnetic susceptibility, and seismic-wave propagation rate in blastomylonites were studied. The kinematic history of the Taratash block consists of two phases: (1) exhumation in the Middle Riphean under conditions of crustal extension; and (2) the formation of an indenter in the Late Paleozoic under conditions of compression.
ISSN:0145-8752
1934-8436
DOI:10.3103/S0145875217020077