浙江省淳安县银山银多金属矿床地质地球化学特征及成因探讨Geochemistry and Genesis of the Yinshan Silver Polymetallic Deposit in Chun′an County,Zhejiang Province
周乐尧;吴光明;刘荣;钱俊锋;徐菲琪;
摘要(Abstract):
银山银多金属矿床主要赋存于震旦系蓝田组中。地层岩石和地球化学研究表明,矿区蓝田组沉积期间存在3个热水沉积阶段,银多金属矿床是由于热水沉积作用经后期构造叠加改造而成。区域断裂带及其两侧具有热水沉积作用特征岩石组合(含锰白云岩+硅质泥岩、粉砂岩+含硅白云质灰岩)的蓝田组是寻找本类矿床的最佳区段。
关键词(KeyWords): 银山银多金属矿床;蓝田组;热水沉积
基金项目(Foundation): 浙江省重大科技专项重点社会发展项目“浙江省成矿构造环境与金属矿床找矿新方法”(2010C03004)
作者(Author): 周乐尧;吴光明;刘荣;钱俊锋;徐菲琪;
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参考文献(References):
- [1]水涛,徐步台,梁如,等.中国浙闽变质基底地质[M].北京:科学出版社,1998.
- [2]舒良树.华南前泥盆纪构造演化:从华夏地块到加里东期造山带[J].高校地质学报,2006,12(4):418-431.
- [3]王鹤年,周丽娅.华南地质构造的再认识[J].高校地质学报,2006,12(4):457-465.
- [4]于津海,魏震洋,王丽娟,等.华夏地块:一个由古老物质组成的年轻陆块[J].高校地质学报,2006,12(4):440-447.
- [5]何国锦,杨晓春,吴光明,等.浙江西北银山银铅锌多金属矿床矿石矿物特征及成矿期次初步研究[J].地球学报,2011,32(3):304-312.
- [6]Adachi M,Yamamoto K,Sutgiski R.Hydrothermal chert andassociated siliceous rocks from the Northern Paciffic:Their ge-ological significance as indication of ocean ridge activity[J].Sedimentary Geology,1986,47:125-148.
- [7]Yamamoto K.Geochemical characteristics and deposition envi-ronment of associated rocks in the Franciscan and Shimena ter-ranes[J].Sedimentary Geology,1987,52:65-108.
- [8]Bostrom K,Kramemer T,Gantner S.Provenace and accumu-lation yates of opaline sillica,Al,Fe,Ti,Mn,Ni and Co in pa-cific petagic sediment[J].Chemical Gology,1973(2):123-148.
- [9]Bostrom K.Genesis of ferromagnese deposits:Diagenestic criteriafor recent and old deposits[C]∥Anon.Hydrothermal processesatseafloor centers.New York:Plenum Press,1983:16-28.
- [10]Crerar D A,Namson J,Chyi M S,et al.Manganiferouscherts of the Franciscan assemblage:I.General geology ancientand modern analyses,and implications for hydrothermal con-vection at oceanic spreading centers[J].Economic Geology,1982,77:519-540.
- [11]李双应.皖南上震旦统蓝田组中银铅锌等多金属矿床成因探讨[J].地质论评,2001,47(2):129-138.
- [12]Marchig V,Gundlach H,Moller P,et al.Some geochemical in-dicators for discrimination between diagenetic and hydrother-mal metalliferrous sediments[J].Marine Geology,1982,50:241-256.
- [13]Fouquet Y,Stackelberg U V,Charlou J P,et al.Hydrothermalactivity in the Lau back-arc basin:Sulfides and water chemistry[J].Geology,1991,19:303-306.
- [14]Simizu H,Masuda A.Cenum in chert as an indication of marineenvironment of its formation[J].Nature,1977,266:346-348.
- [15]徐跃通.浙江西裘晚元古代层状硅质岩热水沉积地球化学标志及其沉积环境意义[J].地球化学,1996,25(6):600-608.
- [16]Fleet A J.Hydrothermal and hydrogeneous ferromangenes de-posits[C]∥Rona P A.Hydrothermal process at sea floorspreading centers.Amsterdam:Elsevier Science Publishers BV,1983:537-570.