Mineral Paragenesis and Ore‐Forming Processes of the Dongping Gold Deposit, Hebei Province, China
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چکیده
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SILVER MINERALS AND PARAGENESIS IN THE KANGJIAWAN Pb–Zn–Ag–Au DEPOSIT OF THE SHUIKOUSHAN MINERAL DISTRICT, HUNAN PROVINCE, CHINA
The Kangjiawan deposit, in the Shuikoushan district, Hunan Province, China, is a representative hydrothermal Pb–Zn–Ag– Au deposit in this region. The orebodies consist mainly of pyritic Pb–Zn ores. Silver minerals are associated with Pb–Zn mineralization. Ag-bearing Pb–Zn ores in the deposit are characterized by Ag > Cu > Sb content. Silver occurs mainly as silver minerals, such as minor argent...
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15 صفحه اولMineral chemistry of sulfide and sulfosalt minerals in the Cheshmeh-Noghreh barite (gold- silver) deposit, Sabzevar subzone, NE Kashmar
The Sebandoon Barite (gold-silver) deposit is located about 20 km NW of the Kashmar in the Central Iran. The rock units exposed in the area consist of Eocene volcano-sedimentary sequences of lithic tuff, rhyolitic tuff, tuffaceouce shale, lapilli tuff and agglomerate associated with pyroxene andesite and trachyandesite. The barite is composed of lenticular, banded and stockwork mineralization a...
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BACKGROUND In 1985, a hepatitis C virus (HCV) outbreak caused by plasmapheresis donation was reported in the Hebei Province, China. However, studies assessing the epidemic features and risk factors of HCV in the general population of Hebei have been limited until now. METHODS The multicenter cluster sampling method was used to collect samples. The participants were interviewed. Relevant infor...
متن کاملMineral paragenesis and textures associated with sandstone-hosted roll-front uranium deposits, NW China
We present a first paragenetic study of the Wuyier, Wuyisan, Wuyiyi and Shihongtan sandstone-hosted roll-front uranium deposits, northwest China. The mineralization is hosted by Lower–Middle Jurassic coarseto medium-grained sandstones, which are dark-gray to black due to a mixture of ore minerals and carbonaceous debris. The sandstone is alluvial fan-braided river facies. Minerals associated wi...
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ژورنال
عنوان ژورنال: Resource Geology
سال: 2019
ISSN: 1344-1698,1751-3928
DOI: 10.1111/rge.12202