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GENESIS OF GOLD MINERALIZATION IN THE ZHOUZHI-HUXIAN-CHAN'AN AREA OF SHAANXI PROVINCE
Author(s): HOU Mantang, ZHANG Yinlong
Pages: 29-
36
Year: 2004
Issue:
1
Journal: GEOLOGY OF SHAANXI
Keyword: 陕西周至; 金矿; 地质特征; 成因;
Abstract: 陕西周(至)户(县)长(安)金成矿区位于华北板块与扬子板块的结合地带,已发现大型金矿床2处,中小型矿床(点)20余处.它们分属金牛坪-库峪贵、多金属成矿带和沙梁子-丰北河贵金属成矿带.本区金矿成矿物质来源可能与围岩有关;硫来源较为复杂,总体表现为混合硫特征;成矿流体总体表现为混合流体特征;成矿物化环境为中低温、低压、弱酸性的浅部还原条件.本区金矿矿床类型属于蚀变岩型和石英脉型.
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