| Autor: |
Minina, O., Doronina, N., Nekrasov, G., Vetluzhskikh, L., Lantseva, V., Aristov, V., Naugol'nykh, S., Kurilenko, A., Khodyreva, E. |
| Předmět: |
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| Zdroj: |
Geotectonics; May2016, Vol. 50 Issue 3, p276-294, 19p |
| Abstrakt: |
New data on the composition, age, structure, and geodynamic settings of the Upper Silurian-lower Middle Carboniferous rocks in the Baikal-Vitim Fold System (BVFS) are reported. These rocks make up the Early Hercynian structural stage of the BVFS, within which the Uda-Vitim, Vitimkan-Tsipa, and Turka-Kurba lithotectonic zones are recognized. The Early Hercynian stage combines rocks of two stratigraphic levels: Upper Silurian-Upper Devonian (S-D) and Upper-Devonian-Middle Carboniferous (D-C). On the basis of lithostratigraphic and spatiotemporal relationships between sedimentary and volcanic-sedimentary complexes of the Early Hercynian stage three formations are identified, which characterize the main tectonic regimes of the early half of the Late Paleozoic. It has been established that a common paleobasin that evolved through consecutively changing geodynamic settings at the passive and active continental margins existed in the Silurian (?)-early Middle Carboniferous in the northeastern part (in present-day coordinates) of the western Transbaikal region. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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