摘要
斑岩型铜钼矿是我国重要的铜钼矿床类型。车户沟斑岩型铜钼矿处于华北地台北缘边缘隆起带,且恰位于赤峰—开源深大断裂在赤峰段向北突出的弧形的顶部。赋矿主岩为花岗斑岩、正常斑岩、隐爆角砾岩,分布广泛,矿体是否富集与蚀变关系密切,主要富矿体是经过二次富集作用的隐爆角砾岩;矿区主要蚀变类型有硅化、钾长石化、白云母化、绢云母化、碳酸盐化、黄铁矿化;矿石结构有浸染状构造、脉状结构、胶结角砾状结构、团块状构造。本文通过现有地质资料,结合野外地质观察,分析了围岩蚀变特征,探讨了蚀变与成矿的关系。
Porphyry copper-molybdenum deposit is an important copper-molybdenum ore deposit in China. Chehugou porphyry copper-molybdenum deposit is located at the edge of North margin uplift, in Chifeng-Kaiyuan deep fractures on the top of a prominent curved to the North of Chifeng. The main ore rock is granite porphyry, porphyry normal, hidden breccia, which has a wide distribution. The ore enrichment is closely linked to alteration. The main bonanza is the hidden breccias after second enrichment. Major alteration types are silicification, potassic, muscovite-oriented, sericitization, carbonation, and pyrite. Ore structures comprise disseminated structure, vein-like structure, cemented breccia structure, and lump structure. Based on existing geological data analysis, by combined with field investigation, the paper analyzes and discusses the relationship between characteristics of al-tered wall rock alteration and mineralization.
出处
《科技广场》
2015年第5期17-20,共4页
Science Mosaic
关键词
斑岩型铜钼矿
车户沟地区
围岩蚀变
Porphyry Copper-molybdenum Deposit
Chehugou Area
Wall Rock Alteration
