摘要
The Fe-Mn deposit is in the sericite quartz schist in the mid-upper part of Lancangjiang Group in the S extension area of W limb of Xintangfang anticline, in stratoid, lenticular and chamber form. The genesis belongs to the Fe-Mn deposit of Sedimentary-metamorphic type. And the concentration of it is in close relation to the supergenous oxidation.