Structural evolution of Mesozoic complexes in Western Chukotka
| Autor: | V. E. Verzhbitsky, E. V. Vatrushkina, K. E. Degtiarev, B. G. Golionko |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
010504 meteorology & atmospheric sciences
Fold (geology) 010502 geochemistry & geophysics 01 natural sciences Structural evolution Two stages Cretaceous Tectonics Paleontology Shear (geology) Earth and Planetary Sciences (miscellaneous) General Earth and Planetary Sciences Mesozoic Geology 0105 earth and related environmental sciences |
| Zdroj: | Doklady Earth Sciences. 475:719-723 |
| ISSN: | 1531-8354 1028-334X |
| Popis: | Detailed structural investigations were carried out in the Pevek area in order to verify the tectonic evolution of the Mesozoic thrust and fold belt in Chukotka. South-vergent F1 folds in Triassic rocks were proved to be the earliest structures formed during the first deformation stage DI. These structures were deformed by north-vergent folds F2 that were formed during the second deformation stage DII. North-vergent folds are the main structures of the Jurassic–Lower Cretaceous complex. The fold structures of the first two stages are deformed by shear folds F3 finishing the stage DII. All these structures are deformed by submeridionally trending normal faults referred to the deformation stage DIII. |
| Databáze: | OpenAIRE |
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