摘要
黑龙江岔路口矿床是近年来在大兴安岭地区北部找到的一处特大型斑岩钼多金属矿床,其产出规模已居中国北方钼多金属矿床之首。钼多金属矿化大部分在侏罗系火山-沉积岩中,呈细脉状、细脉浸染状产出,并与晚侏罗世石英斑岩、花岗斑岩和隐爆角砾岩具有密切的时空分布关系。初步研究表明,该矿床无论是在产出环境、地质特征上,还是在含矿侵入岩岩石学、热液蚀变上,均与美国克莱麦克斯斑岩型钼矿床具有一定的相似性,属于华北板块-蒙古块体与西伯利亚板块碰撞对接后伸展构造环境中岩浆活动的产物。
The Chalukou molybdenum polymetallic deposit,located in North Daxinganling District,is a super large scale porphyry deposit with resource of 1.34 Mt molybdenum,370 kt zinc＋lead and nearly 4 200 t silver.The resource has exceeded that of Jinduicheng molybdenum deposit and make it the largest scale molybdenum deposit in northern China.The molybdenum mineralization occurs in the Jurassic volcanic-sedimentary rocks as veinlet,veins and stockwork.The quartz porphyry,granite porphyry and explosive breccia show close space-time relationship with the molybdenum mineralization.Preliminary result shows that geological setting,geological feature,petrological characteristics and hydrothermal alteration of Chalukou molybdenum deposit are similar to Climax molybdenum in West America,which is the product of extensional environment after collage of North China-Mongolia Block and Siberia Block in Late Mesozoic.
出处
《矿床地质》
CAS
CSCD
北大核心
2011年第4期759-764,共6页
Mineral Deposits
基金
国家重点自然科学基金项目(编号:41030421)
地质调查项目(编号:1212010911029)
基本业务费项目(K1012)的成果
关键词
地质学
斑岩钼矿床
地质特征
产出环境
燕山期
岔路口
大兴安岭
geology
porphyry molybdenum deposit
geological feature
geological setting
Yanshanian
Chalukou
Daxinganling
