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小石头泉银矿区火山岩地层层序厘定及成矿模式确立
DEFINITION OF SEQUENCE OF VOLCANIC STRATA AND ESTABLISHMENT OF METALLOGENIC MODEL IN XIAOSHITOUQUAN SILVER MINE AREA
【摘要】 小石头泉银矿区火山岩地层划分为3个岩性段,分别对应于3个大的爆发期次。矿化类型划分为3种类型:上部硅帽型、火山通道主矿体型、底部裂隙充填型,并提出通过遥感地质方法快速寻找海相火山岩型金、银、铜、多金属矿的具体思路和方法。
【Abstract】 Three lithologic members of volcanic strata in Xiaoshitouquan silver mine area, which correspond to three cycles of volcanic activity respectively,are devided,and three types of mineralization are divided as following: 1) upper siliceous cap; 2) main lode in volcanic vent and 3) fissure-filling vein in basal part. Finally,the train of thought and method of quickly prospecting marine volcanic-type Au、Ag、Cu and polymetal ore deposits by means of remote sense method were proposed.
【关键词】 火山岩;
地层层序;
成矿模式;
小石头泉银矿区;
【Key words】 volcanic rock; sequence; metallogenic model; Xiaoshitouquan silver mine area.;
【Key words】 volcanic rock; sequence; metallogenic model; Xiaoshitouquan silver mine area.;
- 【文献出处】 地质与勘探 ,GEOLOGY AND PROSPECTING , 编辑部邮箱 ,1998年02期
- 【分类号】P618.52,P536
- 【被引频次】1
- 【下载频次】74