辽西八家子斑岩成矿分带系列的应用及其找矿效果  

APPLICATION STUDY AND ORE EXPLORATION OF BAJIAZI LEAD-ZINC ORE SERIES,WESTERN LIAONING

作　　者：姚富强 

机构地区：[1]辽宁省有色地质局葫芦岛地质勘查院,辽宁葫芦岛125000

出　　处：《矿产与地质》2004年第3期252-255,共4页Mineral Resources and Geology

摘　　要：为了在八家子铅-锌-银矿田寻找新的矿种——钼矿,通过对八家子-杨家杖子成矿带上矿床特征的对比研究,认为此成矿带上每隔10km就出现一个矿集区,每个矿集区由数个或数十个矿床构成;在同一个矿集区中,围绕岩体这个成矿中心,金属矿化和成矿元素出现明显分带性。而八家子铅-锌-银矿床具有此类似特征。因此,提出八家子矿田存在一个完整的成矿分带系列,其成矿中心是炉沟的花岗斑岩体,岩体具备了寻找兰家沟式大型斑岩钼矿床的各种地质条件。此后,经对物化探异常的验证,发现八家子铅-锌-银多金属矿田的Mo异常内存在厚大钼矿体。In order to search new type of the molybdenum deposit in the Bajiazi lead-zinc-silver ore field, a comparison research has been carried out on the basis of deposit characteristics of Bajiazi-yangjiazhangzi ore zone. It is considered that there is an ores accumulation area every 10km, which is composed of several to tens of deposits; and the mineralization and ore elements show clear zonings around magmatite body every certain ore accumulation area.The Bajiazi lead-zinc-silver deposit bears similar feature. It is therefore proposed that there is a complete ore forming series in the Bajiazi ore field with the Lugou granite porphyry as a ore forming center which possess various geological conditions for the Lanjiagou type large scale porphyry molybdenum deposit. Thick molybdenum orebodies were found in Mo anomalies of the Bajiazi lead-zinc-silver polymetallic ore field.　

关 键 词：铅-锌-银矿床 成矿分带系列 斑岩型钼矿 矿集区 元素分带 找矿新方向 

分 类 号：P618.42[天文地球—矿床学] P618.43[天文地球—地质学]