GEOLOGY AND STRUCTURAL EVOLUTION OF THE MURUNTAU GOLD DEPOSIT, KYZYLKUM DESERT, UZBEKISTAN
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dc.contributor.author | Drew L.J. | |
dc.contributor.author | Berger B.R. | |
dc.contributor.author | Kurbanov N.K. | |
dc.date.accessioned | 2020-11-30T07:42:21Z | |
dc.date.available | 2020-11-30T07:42:21Z | |
dc.date.issued | 1996 | |
dc.identifier | https://elibrary.ru/item.asp?id=13240389 | |
dc.identifier.citation | Ore Geology Reviews, 1996, , 4, 175-196 | |
dc.identifier.issn | 0169-1368 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/19970 | |
dc.description.abstract | The Muruntau gold deposit in the Kyzylkum desert of Uzbekistan is the largest single deposit (> 1100 tonnes of gold) of the class of low-sulfide syndeformation/synigenous gold deposits formed in the brittle/ductile transition zone of the crust within transpressional shear zones. Hosted by the Cambrian to Ordovician Besopan Suite, the ores were deposited in pre-existing thrust-fault- and metamorphism-related permeabilities and in synmineralization dilational zones created in a large fault-related fold. The Besopan Suite is a 5,000-m-thick sequence of turbiditic siltstones, shales and sandstones. The ore is primarily localized at the base of the Besopan-3 unit, which is a 2,000-m-thick series of carbonaceous shales, siltstones, sandstones and cherts. Initial gold deposition took place within the Sangruntau-Tamdytau shear zone, which was developed along the stratigraphic contact between the Besopan-3 and Besopan-4 units. During the mineralization process, folding of the Besopan Suite and a left-step adjustment in the Sangruntau-Tamdytau shear zone were caused by two concurrent events: (1) the activation of the left-lateral Muruntau-Daugyztau shear zone that developed at nearly a 90° angle to the preceding shear zone and (2) the intrusion of granitoid plutons. These structural events also resulted in the refocusing of hydrothermal fluid flow into new zones of permeability. | |
dc.subject | Cambrian | en |
dc.subject | Ordovician | en |
dc.title | GEOLOGY AND STRUCTURAL EVOLUTION OF THE MURUNTAU GOLD DEPOSIT, KYZYLKUM DESERT, UZBEKISTAN | |
dc.type | Статья | |
dc.subject.age | Paleozoic::Cambrian | en |
dc.subject.age | Paleozoic::Ordovician | en |
dc.subject.age | Палеозой::Кембрийская | ru |
dc.subject.age | Палеозой::Ордовикская | ru |
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