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Ore Mineral Textures of Late Cretaceous volcanogenic Massive Sulfide Deposits (VMS) of Turkey: Proposed Paragenetic Sequence

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矿物学报 2013年第S1期33卷 20-20页

作者： Emin ifti Abdurrahman Lermi Bülent Yal nalp ITU Faculty of MinesDept.of Geological Engineering34469 MaslakIstanbul-Turkey Nigde University Faculty of EngineeringDepartment of Geological Engineering51100 Ni de-Turkey KTU Faculty of EngineeringDepartment of Geological Engineering61100 Trabzon-Turkey

Most of the massive sulfide deposits (VMS) occurring from Precambrian to Cenozoic throughout the world has been subsequently metamorphosed at various grades. Thus, all the original textures have been either completely destroyed or strongly modified. However, there are a very few examples, rather younger deposits such as late Cretaceous Turkish VMS deposits and Miocene Kuroko deposits of Japan in which representative and original ore textures are preserved. The Turkish massive sulfide deposits are mainly Cu-Zn-Pb-type and entirely hosted by Late Cretaceous felsic volcanic rocks within a paleoarc geotectonic setting.

关键词： ore textures eastern Pontides late Cretaceous volcanogenic massive sulfides (VMS) Turkey

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Geochemistry of ore-forming fluids and geological significance of the Kuoerzhenkuola gold field in Xinjiang, China

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Science China Earth Sciences 2005年第11期48卷 1921-1931页

作者： SHEN Ping SHEN Yuanchao LIU Tiebing LI Guangming ZENG Qingdong Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China Institute of Geology and Geophysics Chinese Academy of Sciences Beijing 100029 China

The Kuoerzhenkuola gold field (including the Kuoerzhenkuola and the Buerkesidai gold deposits) is the most important one in the Sawuer gold belt, northern Xinjiang, China. Iso-topic studies including D, O, He, C, S, Pb and Sr reveal that the ore-forming fluids of the Kuo-erzhenkuola and the Buerkesidai deposits shared the same source: the water of ore fluids was magmatic water and minor meteoric water; the mineralizers and ore materials derived mainly from mantle beneath the island arc, and partially from crust. The ore-forming fluids of two depos-its are a mixture of mantle-derived fluids incorporated by crust-derived fluid, and meteoric water. Based on these results, combined with the consideration of the tectonic setting and geological features, we suggest that the two gold deposits in the Kuoerzhenkuola gold field, Sawur gold belt share the same genesis, and are volcanogenic hydrothermal gold deposits occurring in the same caldera.

关键词： ore-forming fluids, inclusions, isotope, volcanogenic late-stage hydrothermal gold deposits, Kuoerzhen-kuola gold field

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