云南易门凤山矿床刺穿构造特征  

On diapir structure properties of Fengshan deposit in Yimen of Yunnan

作　　者：胡一多[1] 蒋文奎 马继升[3] 

机构地区：[1]昆明理工大学国土资源学院,云南昆明650093 [2]吉林铁道职业技术学院,吉林吉林市132001 [3]大庆油田有限责任公司采油八厂,黑龙江大庆市161300

出　　处：《地质学刊》2010年第2期135-139,共5页Journal of Geology

摘　　要：狮凤山铜矿是我国重点铜矿山之一,包含2个矿段:狮山矿段和凤山矿段。凤山矿床产于刺穿构造外侧,是受构造控制的后期叠加改造富化的矿床。含矿地层是绿汁江组上部地层,富矿部位刺穿体周围为灰白色碎裂白云岩。矿体形态产状与刺穿构造密切相关,沿构造所派生的断裂、裂隙呈似层状、透镜状产出。刺穿构造内部角砾岩和火山岩岩脉占的比例不大,矿山开采处于至刺穿构造的中部平面。Shifengshan copper deposit is one major copper mines in China,which includs two ore blocks of Shishan and Fengshan.Fengshan deposit was occurred outboard of the diapir structure and was a rich type deposit subject to the control of structure post-tectonic superposition.The ore-bearing stratum was the group of the upper part of Luzhijiang Formation,rich ore body of the diapir was surrounded by the fragmental dolomite.Ore occurrence was closely related to the diapir structure morphology,fracture and fissures derived from the structure showed bedded and lenticular occurrences.Volcanic rock vein and breccia within the inner diaper structure occupied a small proportion,mining activities were conducted at the middle plane of the diaper structure.

关 键 词：刺穿构造 演化模型 控矿特征 凤山铜矿床 裂谷 云南易门 

分 类 号：P618.51[天文地球—矿床学] P548[天文地球—地质学]