Oxide manganese deposits in east-northern Guizhou are of exotic weathering deposits, further may be subdivided into two kinds of the eluvial ore deposit and the leaching-accretion deposit by genesis.
黔东北地区的氧化锰矿床系风化矿床，按其成因可进一步分为残积矿床和淋积矿床两种。
2
They should remove the field plate and oxide and deposit a thin aluminum film over this region.
他们应当去掉场极板和氧化层，并在整个区域淀积一层薄的铝薄膜。
3
Hurun manganese deposit is consisted of Marine sedimentary primary manganese carbonate ores and supergene enrichment oxide ores.