辽东裂谷Au、Ag、Pb、Zn、Cu、Co金属矿床地质特征和成矿条件--《前寒武纪研究进展》2002年Z1期

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辽东裂谷Au、Ag、Pb、Zn、Cu、Co金属矿床地质特征和成矿条件

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【摘要】:Au、Ag、Pb、Zn、Cu、Co是辽东裂谷最主要的金属矿床 ,产于辽河群的不同层位。矿床成因至少可分沉积—变质热液成因、岩浆热液成因和接触交代成因三类。成矿受含矿层、构造、岩浆活动和变质作用控制。矿源层是成矿前提 ,构造—岩浆活动是成矿必要条件。构造—岩浆活动叠加改造的矿源层是最佳的成矿和找矿地区。水利论文y S%Q%_ bo

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天津地质矿产研究所 天津地质矿产研究所水利论文9nv{wn)o,Fk

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'tp5F!e WgW)_0辽东裂谷 金属矿床 矿源层 构造-岩浆活动

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【基金】:中国地质调查局“华北地台成矿规律和找矿方向综合研究项目”(编号 :2 0 0 110 2 0 0 0 38)水利论文)z1R-fj.O{u+[

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0a(H#pCt6F2]0辽东裂谷是辽吉古元古代裂谷的一部分 ,位于辽东半岛南部 ,包括营口、岫岩、庄河、丹东、宽甸、桓仁等市县行政区域。该区蕴藏着丰富的矿产资源 ,是我国Au、Ag、Pb、Zn矿产重要成矿区和产地 ,Cu、Co也具有找矿潜力。1 地质背景辽东古元古代裂谷形成于太古宙克拉

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