摘要
从盘水断陷盆地、峨眉山玄武岩、断裂褶皱构造、地层岩性组合、地球化学背景、成矿作用几方面 ,分析了铅锌矿的成矿条件。又从深大断裂、典型矿床类比、矿体垂向变化趋势、物探 TEM测量 ,杉树林矿区深部见矿等几方面探讨了铅锌矿的找勘潜力和方向。认为盆缘褶皱断裂带控制区是铅锌找矿的最佳远景区 ;预测在已知矿床延深、延长、侧伏方向具备找矿的第二赋矿空间 ,铅锌隐伏矿体可能埋深至地下 5 0 0～ 6 0 0 m。
The paper analyzes the preconditions of lead and zinc deposits in northweatern Guizhou from the views of Liupanshui depression basin, Emeishan basalt, fracture and fold structure, strata and lithologic combination, geochemical background, metallogenic process and furthermore discusses the prospecting potential and direction of lead and zinc deposits from the views of deep-rooted fracture, typical deposit analogy, vertical variation trend, geophysical TEM measurement, ore discovery in depth of Sanshulin mine. The fold and fracture controlling zone across basin margin is the promising area for lead and zinc deposit searching. It is predicted that there is the second ore bearing space in extension, dip and depth of the existing deposit. The concealed orebodies of the lead and zinc deposit may be buried up to 500m^600m in depth or even much more deeper.
出处
《矿产与地质》
2004年第6期545-549,共5页
Mineral Resources and Geology
基金
中国地质调查局国土资源地质大调查项目 ( 2 0 0 10 2 0 15 40 0 3 )资助
关键词
铅锌矿
找矿潜力
找矿条件
黔西北
Lead and zinc deposit, prospecting potential, precondition for exploration, northwestern Guizhou
