云南昌宁松山锡矿地质特征及找矿前景

THE GEOLOGICAL FEATURE AND PROSPECTING POTENTIALITY OF SONGSHAN SN DEPOSIT IN CHANGNING,YUNNAN

云南昌宁松山锡矿岭岗寨矿段矿体呈脉状赋存于松山组变质石英粉砂岩、绢云微晶片岩裂隙群、破碎带以及黑云二长花岗岩裂隙群中,总体呈北北东向展布,倾向北西。锡矿化与电气石化、云英岩化、黄铁矿化关系密切,属充填交代型金属矿床。主矿体厚度变化稳定,深部矿化连续。显示松山锡矿深部有较好的找矿前景。

The orebody of Linggangzhai ore block of Songshan Sn deposit in Changning,Yunnan is veined in Songshan Formation metamorphic quartz siltstone sericite micro-crystalline schist fissure group,fracture zone and biotite adamellite fissure group,generally in NE extension,dipping NW.The Sn metallogenesis is in close relation to tourmalinization,greisenization pyritization.,belonging to filling,metasomatic metallic deposit.The thickness of main orebody changes stably,deep metallogenesis continuous,showing the good prospecting potentiality in deep.