【摘要】 内蒙古自治区境内，中、上元古界地层发育，其中所赋存的金属、非金属、贵金属矿产甚多。最近在中元古界朱拉扎嘎毛道组变质粉砂岩中所发现的微细浸染型金矿，是我局在元古界地层中寻找新类型金矿的一个突破，具有十分重要的意义。更多还原

【Abstract】 MiddleUpper Proterozoic stratigraphic are well developed where occurred in the metal,nonmetal and precious metal very rich in Inner Mongolia.Carlintype gold deposit has been discovered in the metamorphic siltstone of Zhulazhagamaodao formation in Middle Proterozoic,recently.This make a break through at explorating a new type gold deposit in Middle Proterozoic.It has been the important significance to Bureau of Geology and Mineral,Inner Mongolia.更多还原