湖南省郴州市饭垄堆北段锡钨多金属矿勘查方法优化

Optimization on the Prospecting Method of Sn-W Polymetallic Deposit in the North Section of Fanlongdui in Chenzhou City,Hunan Province

湖南省郴州市饭垄堆北段锡钨多金属矿位于湘南钨锡钼铋多金属成矿带东坡矿田内,成矿地质条件优越,具有很好的找矿前景。根据该矿床地质特征以及已有的地质矿产勘查成果,系统总结了矿区101、102、103号主矿体特征。在此基础上,进一步讨论了该类裂隙充填细脉带型锡钨多金属矿床在勘查过程中探矿工程布置的优化方法即①探矿工程不宜按每个矿带单独控制,应对整个赋矿层位进行整体控制;②应对含有毒砂、锡、钨细脉的岩性段进行连续取样化验,既可避免漏矿,又可以为将来工业指标调整后重新圈定矿体提供直接依据。

Sn-W polymetallic deposit in the north section of Beilongdui in Chenzhou City,Hunan Province is loacated in Dongpo Ore Field in W-Sn-Mo-Bi polymetallic metallogenic belt in Southern Hunan Province,the metallogenic geological conditions prospecting prospective of the mining area are both good.Based on the geological characteristics of the deposit and the existing prospecting results,the geological characteristics of the main orebodies such as No.101、No.102、No.103 orebodies are discussed.Based on the above discussion results,the optimization method of the layout of prospecting engineerings during the exploration process of fissure filling veined belt type Sn-W polymetallic deposit are analyzed.The optimized method can be summarized as:①the prospecting engineering should not be controlled by each ore belt alone,the ore hosting layer should be controlled by prospecting engineering overally;②continuous sampling of lithologic sections containg toxic sand,tin and tungsten veins should be conducted,it can not only avoid ore leakage,but also provide direct basis for redelineating orebodies after adjusting industrial indexes in the future.