机构地区: 中南大学地学与环境工程学院
出 处: 《黄金》 2002年第11期1-5,共5页
摘 要: 库斯拉甫金矿 ,在大地构造位置上 ,处于西昆仑造山带与塔里木板块交接部位的晚古生代奥依塔格—库尔良裂陷槽的北段 ,属于西昆仑地区库斯拉甫—他龙成矿带的一部分。笔者通过详实的野外考察和综合室内测试、岩矿鉴定等研究资料分析 ,认为该区中泥盆世开始拉张形成的碎屑岩—碳酸盐岩建造 ,是金的原始矿源层 ,深部隐伏岩体的活动为区内金的成矿作用提供了成矿物质运移所需的热源 ,韧性剪切带是区内沟通深部含金热液上升的主要通道。因此 ,在库斯拉甫地区 ,应注重寻找韧性剪切带型金矿和构造蚀变岩型金矿。 The geotectonic position of Kuslap Gold Deposit is in the north part of late Devonian Era's Aoyitag Kulliang rift trough of the juncture location between West Orogenic Zone and Talimu Plate.It belongs to a part of Kuslap Talong mineralized zone of West Kunlun Mountain Region.Through field probe,synthetic determination and mineral analysis,it is considered that the region began to be in tension from middle Devonian Era thus taking shape of fragmental rock carbonate formation which became the original ore source bed of gold;the activity of deep concealed rock mass provides the required thermal source of the movement of mineralized materials in the region;tough shear zone is the main passageway for the upflowing of deep gold bearing thermal fluids in the region.Accordingly,the emphasis must by placed on the prospecting of tough shear zone type and tectonic altered rock type gold deposits.
关 键 词: 新疆西昆仑地区库斯拉甫金矿 成矿作用 矿源层 韧性剪切带 金矿床