江西省乐平众埠街锰矿地质特征及外围找矿方向

摘要

Zhongbujie manganese deposit is located in the bottom of upper Carboniferous Huanglong Formation and the unconformity surface of Neoproterozoic Wannian Group in Leping of Jiangxi.The ore body is layered,semi-layered and lenticular.The ore types are mainly manganese oxide ore and manganese carbonate ore.The steep and smooth landform of ancient basin margin terrain has controlled the hosted space of ore body.The ore body is distributed along the footstep,with one ore body in a footstep.There is no manganese ore body in the "scarp" between the two footsteps.In the peripheral area of Zhongbujie deposit the ore body is cut off by fault F1.According to the geophysical survey data,it has pointed out for the potential evaluation area in the next step.%江西乐平众埠街锰矿产于上石炭统黄龙组底部与新元古界万年群不整合面之上,矿体呈层状、似层状或透镜状,矿石类型主要为氧化锰矿石、碳酸锰矿石.古海盆边缘地形的平缓与陡峻,控制着矿体的赋存空间,矿体沿不整合面呈台阶展布,每个台阶赋存一个矿体,两台阶间的“陡坎”上没有锰矿沉积.众埠街矿区外围(南西面)被断层F1错开,根据前期物探成果资料,指出下一步潜力评价区.