老挝布劳铁矿矿床地质特征及找矿方向  

Geological Characteristics and Prospecting Direction of the Bulao Iron Deposit in Laos

作　　者：王进进[1] 左琼华[2] 陈载林[2] 陈玉梁 吴静[1] 

机构地区：[1]昆明理工大学国土资源工程学院,昆明650093 [2]云南国土资源职业学院,昆明650217 [3]核工业280研究所,四川广汉618300

出　　处：《有色金属工程》2016年第4期91-95,共5页Nonferrous Metals Engineering

基　　金：境外风险勘查基金(B02500102);云南省地矿局科技创新基金(2012JJ03);云南省教育厅科学研究基金(2013Y561)

摘　　要：基于老挝波乔省东蓬县布劳铁矿区开展的铁矿产资源勘查结果，初步查明了该区矿床类型、异常特征和矿床成因。结果表明，布劳磁铁矿矿床为矽卡岩型矿床，主要产于火山岩系（主要为安山岩与沉凝灰岩）与二长岩及花岗斑岩的接触带附近，近南北向与北西向的断裂是重要的控矿及容矿构造。矿体形态呈脉状、透镜状，矿石中金属矿物主要为磁铁矿．品位25％-52％。区内戒矿作用复杂，围岩蚀变强烈，物探异常值高，规模大．有较大找矿前景。Based on the results of Bulao iron mineral resources exploration Laos, this paper basically indentified the type of deposit, area anomalies and causes of deposits. The results show that the Bulao iron deposit is a skarn deposit. It＇ s mainly hosted in the contact zone between the volcanic rocks （ major andesite and tuff） and the monzonite and granitic porphyry. Nearly N-S and N-W trending faults and fractures are important ore-controlling and ore-hosting structures. The ore bodies are lenticular and rich in magnetite with the grade of 25% -52%. The mineralization in the area is complicated, and the wall rock alteration is strong. The geophysical exploration anomaly value is high, the scale is large, and the prospecting potentiality is very hopeful.

关 键 词：铁矿床 矽卡岩型 地质特征 找矿方向 老挝人民民主共和国波乔省东蓬县 

分 类 号：P618.31[天文地球—矿床学]