BLIND DUPLEX STRUCTURE OF THE NORTH URALS THRUST BELT FRONT
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dc.contributor.author | Sobornov K.O. | |
dc.date.accessioned | 2020-11-07T08:52:21Z | |
dc.date.available | 2020-11-07T08:52:21Z | |
dc.date.issued | 1992 | |
dc.identifier | https://elibrary.ru/item.asp?id=31094161 | |
dc.identifier.citation | Journal of Geodynamics, 1992, , 1, 1-11 | |
dc.identifier.issn | 0264-3707 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/18679 | |
dc.description.abstract | New multichannel seismic-reflection profiles shot across the north Ural thrust front indicate the presence of previously unknown wedge-shaped foreland-verging blind duplex. The structure of this zone shows westward thrusting of the tectonic wedge of the Silurian-Artinskian assemblage into the foreland sedimentary cover. This process caused structural delamination of the basin succession, tilting of frontal molasse monocline above the leading edge of the low-taper allochthonous unit, thrust duplication and tectonic thickening of the wedge. Two distinct structural styles are recognized in the blind thrust. Its frontal zone formed by Artinskian shale has thin-skinned imbrication structure. The eastern internal zone consists of Silurian-Sakmarian carbonate-dominated sequences that have much more coherent thrust and fold deformations. This part of allochthonous unit forms a rigid “core” of the blind duplex. The structural geometry of the study area suggests its tectonic shortening of at least 60 km. | |
dc.subject | Silurian | en |
dc.subject | Sakmarian | |
dc.title | BLIND DUPLEX STRUCTURE OF THE NORTH URALS THRUST BELT FRONT | |
dc.type | Статья | |
dc.subject.age | Paleozoic::Silurian | en |
dc.subject.age | Paleozoic::Permian::Cisuralian::Sakmarian | |
dc.subject.age | Палеозой::Силурийская | ru |
dc.subject.age | Палеозой::Пермская::Приуральский::Сакмарский | ru |
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