论文部分内容阅读
(一)矿床地质概况我矿南山坑11号矿脉为目前开采的主矿脉,矿脉赋存于石英闪长岩和闪长岩中,矿床位于主断裂闪长岩玢岩脉的上下盘断裂构造中,即矿脉中有一条玢岩脉贯入,形成中间有一条玢岩脉夹层的上下盘两条矿体。矿体走向近南北,向西倾斜,沿走向长1000米,控制延深450米,倾角40～60°,平均53°,上下盘矿体平均总厚1.96米,玢岩厚1.5～3米。矿体沿走向和倾向呈舒缓波状,矿体及玢岩节理发育,破碎不稳固,上下盘围岩节理发育属于中等稳固岩石。 (二)采矿现状我矿是1977年投产新建矿山,由于11号矿脉特有的赋存条件,促
(Ⅰ) Geological Survey of Deposits Mine No. 11 Nanshan pit vein is the main ore vein currently mined. The ore veins occur in quartz diorite and diorite. The deposit is located in the upper and lower plate fault structures of the main diorite veins , That is, there is a veins in the veins into a dacite veins, the middle of the formation of a mesa vein sandwich up and down two ore bodies. The ore bodies are nearly north-south and westward, with a length of 1000 meters along the strike. The depth of control is 450 meters and the dip angle is 40-60 degrees with an average of 53 degrees. The average total thickness of upper and lower ore bodies is 1.96 meters and the rock thickness is 1.5-3 meters. The ore body is soothing wavy along the strike and inclination. The joints of the ore body and the rock are developed and broken, and the joints of upper and lower wall rocks belong to medium stable rock. (II) Status quo of mine I Mine put into operation in 1977, a new mine, due to the unique occurrence of the 11th veins, and promote