Abstract
The article presents the new data concerning the bounding zones of the Archean - Early Proterozoic Taratash block. It breaks the longitude structure of the Urals, squeezing all structural zones at a latitude of the town Miass. There were studied the meso- and microstructures of the boundary zones, anisotropy of magnetic susceptibility of faulted rocks and distribution of seismic waves velocities in to blastomylonites. We suggest that kinematic history of the Taratash block consists of two phases: 1) Middle Riphean exhumation of Taratash rocks in tension environ- ment; 2) Late Paleozoic formation of Indenter due regional shortening setting.
Highlights
The article presents the new data concerning the bounding zones of the Archean — Early Proterozoic Taratash block
We suggest that kinematic history of the Taratash block consists of two phases: 1) Middle Riphean exhumation of Taratash rocks in tension environment; 2) Late Paleozoic formation of Indenter due regional shortening setting
Бельдишско-Куватальская зона тектонитов, первоначально маркировавшая более или менее прямолинейный пологий сброс, была деформирована (изогнута) и превратилась в зону надвига, расположенного во фронтальной части Тараташского индентора
Summary
The article presents the new data concerning the bounding zones of the Archean — Early Proterozoic Taratash block. Микроструктуры тектонитов, анизотропия магнитной восприимчивости и скорости прохождения сейсмических волн в бластомилонитах. По положению в структуре выделены три главные зоны распространения тектонитов бельдишского комплекса Для изучения состава и физических свойств бластомилонитов были отобраны пробы из керна скважин 311, 319 и 323
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