玲珑-焦家式金矿构造地质特征及成矿构造物理化学参量因子分析——以阜山金矿区为例  

Geological and Structural Characteristics of the Linglong-Jiaojia Type Gold Deposits and Factor Analysis of Their Metallogenic Tectonic Physicochemical Parameters --Exemplified by the Fushan Gold Deposit

作　　者：吕古贤[1] 郭涛[1] 刘杜鹃[1] 

机构地区：[1]中国地质科学院地质力学研究所,北京100081

出　　处：《地球学报》2002年第5期409-416,共8页Acta Geoscientica Sinica

基　　金：中国地质科学院地质调查项目 (DKD2 10 10 2 8);地质力学研究所和山东招金集团合作项目 ( 3 0 10 0 3 9);国家攀登计划(G19990 43 2 14 )项目资助

摘　　要：在玲珑金矿田地质与构造特征研究基础上 ,建立该区玲珑 焦家式金矿成矿模式 ,开展 1∶2 0 0 0阜山金矿矿区矿源岩系构造变形岩相形迹填图 ,提出矿化趋势度的概念 ,并进行了较广泛的构造及水 岩系统物理化学参量的测算 ,共选择 15个参量进行大量测试数据因子分析。结果表明 ,在对该类金矿床成矿作用贡献程度上 ,这些参量的排序从大到小依次是 :pH ,均一温度 ,构造附加静水压力 (ps) ,最小压力 pmin,CO2 /H2 O ,lgfCO2 ,lgfO2 ,F-/Cl-和Na/K 。Based on the study of geological and structural characteristics of the Linglong gold ore field, this paper has set up the me tallogenic model of Linglong Jiaojia type in this area, carried out 1∶2 000 tectono deformation facies mapping of ore source rocks in the Fushan gold district, put forward the concept of Mineralization Trading Degree(MTD) and calculated the extensive tectonic physicochemical parameters of water rock system with 15 parameters computed by factor analysis. The result indicates that their contributions to mineralization are in decreasing order of pH, average temperature, tectono additional hydrostatic pressure, p s, p min ,CO 2/H 2O,lg f CO 2 ,lg f O 2 ,F -/Cl -,and Na/K.

关 键 词：构造地质特征 成矿构造 构造物理化学参量 矿化趋势度 因子分析 构造变形岩相形迹填图 玲珑-焦家式金矿床 

分 类 号：P618.51[天文地球—矿床学]