A VENDIAN-CAMBRIAN ISLAND ARC SYSTEM OF THE SIBERIAN CONTINENT IN GORNY ALTAI (RUSSIA, CENTRAL ASIA)
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dc.contributor.author | Buslov M.M. | |
dc.contributor.author | Saphonova I.Yu. | |
dc.contributor.author | Travin A. | |
dc.contributor.author | Watanabe T. | |
dc.contributor.author | Iwata K. | |
dc.contributor.author | Akiyama M. | |
dc.date.accessioned | 2021-05-22T12:11:17Z | |
dc.date.available | 2021-05-22T12:11:17Z | |
dc.date.issued | 2002 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=13398057 | |
dc.identifier.citation | Gondwana Research, 2002, 5, 4, 781-800 | |
dc.identifier.issn | 1342-937X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/28561 | |
dc.description.abstract | An extended Vendian-Cambrian island-arc system similar to the Izu-Bonin-Mariana type is described in the Gorny Altai terrane at the margin of the Siberian continent.Three different tectonic stages in the terrane are recognized. (1) A set of ensimatic active margins including subducted oceanic crust of the Paleo-Asian ocean, the Uimen-Lebed primitive island arc, oceanic islands and seamounts: the set of rocks is assumed to be formed in the Vendian. (2) A more evolved island arc comprising calc-alkaline volcanics and granites: a fore-arc trough in Middle-late Cambrian time was filled with disrupted products of pre-Middle Cambrian accretionary wedges and island arcs. (3) Collision of the more evolved island arc with the Siberian continent: folding, metamorphism and intrusion of granites occurred in late Cambrian-early Ordovician time.In the late Paleozoic, the above-mentioned Caledonian accretion-collision structure of the Siberian continent was broken by large-scale strike-slip faults into several segments. This resulted in the formation of a typical mosaic-block structure. | |
dc.subject | Cambrian | |
dc.title | A VENDIAN-CAMBRIAN ISLAND ARC SYSTEM OF THE SIBERIAN CONTINENT IN GORNY ALTAI (RUSSIA, CENTRAL ASIA) | |
dc.type | Статья | |
dc.subject.age | Paleozoic::Cambrian | |
dc.subject.age | Палеозой::Кембрийская | ru |
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