得尔布干有色、贵金属成矿区、带划分

得尔布干成矿区位于蒙古-额霍茨克断裂与得尔布干断裂之间，可划分3个成矿亚区：①上黑龙江（拗陷）成矿亚区，位于得尔布干成矿区北部，以金矿化为主，铜次之，可划分出3个E-W向成矿带；②额尔古纳（隆起）成矿亚区，位于中部，以铅锌银、金矿化为主，铜矿化次之，可划分出3个NE向成矿带；③克鲁伦（半拗、半隆）成矿亚区，位于南部，以铜、银、铅锌矿化为主，金矿化次之，可划分2个NW向成矿带和1个NE向成矿带.

DIVISION OF DERBUGAN METALLOGENIC PROVINCES AND BELTS OF NONFERROUS AND PRECIOUS METALS

The new concept of the"Derbugan metallogenic province"is proposed instead of the"Derbugan metallo-genic belt".Derbugan metallogenic province re fers to the zone between the Mongolia n-Okhotsk and Derbugan fracture belts.It is composed of 3metallogen ic subprovinces with NE strike.Upper Heilongjiang(depression)Au and Cu met-allogenic subprovince,with the major structural line of E-W strike,which lies in the northern p art of the metallogenic province,can be subdivided into 3me tallogenic belts from north to south,i.e.,Enhehada-Ergenhe Au metallogenic belt,Longgouhe-Ershiyizhan Cu and Au metallogenic b elt,and Aolaqi -Walagan Au metallogenic belt.Ergun(uplift)Pb,Zn,Ag,Au and Cu metallogenic subpro vince,which lies in the middle of the metallogenic province,can be subdi vided into 3metallogenic belts from north to south,i.e.,Wuma -Badaoka Au(Cu)metallogenic belt,Jilalin-Fukeshan Cu and Au metallogenic belt,and Xiahulin-Xijinuo Pb,Zn,Ag and Au(Cu)metallogenic belt.The direction of the major structure line is NE trend.Kerulen(depression and uplift)Cu,Pb,Zn and Ag metallogenic subpro vince with structural developed in NW and NE trends,which l ies in the southern part of the metallogenic province,can be subdivided i nto 3metallogenic belts,i.e.,Wushan-Changsheng Cu(Pb,Zn)metallogenic belt trending NW,Eren-Jiawula Pb,Zn and Ag metallogenic belt and Badaguan-Heishantou Cu(Mo )metallogenic belt trending NE.There are about 55mineral deposits proven in Derbugan metallogenic pro vince,among which 10are super large,13large and 25mediate in size.Most of the deposits occur in the regions of Choibalsan in Mongolia and Chita in Russia.