云南麻栗坡县老厂坡铜矿特征及找矿标志

THE FEATURE AND PROSPECTING CRITERIA OF LAOCHANGPO CU DEPOSIT IN MALIPO,YUNNAN

云南麻栗坡县老厂坡铜矿矿体呈层状、似层状,赋存于中三叠统海相基性火山岩组(T_(2)β)片理化玄武岩、溶结凝灰岩、玄武质火山角砾石中,为被后期改造的火山喷发沉积型铜矿床。矿区赋矿层位(T_(2)β)是直接的找矿标志,孔雀石化、硅化、类石墨化、绿泥石化、碳酸盐化、黄铁矿化等是重要的找矿标志。

The orebody of Laochangpo Cu deposit in Malipo,Yunnan is bedded,stratoidIn Middle T marine basic volcanic rock formation(T_(2)β)schistoid basalt,ignimbrite,basaltic volcanic breccia,being volcanic eruption sedimentation Cu deposit reformed later.The bed(T_(2)β)ore-bearing in the orefield is the direct prospecting criterion and malachitization,silicification,kind of graphitization,chloritization,carbonatization,pyritization,etc are the important prospecting criteria.