含锰灰岩
- 网络manganiferous limestone
含锰灰岩-
矿石成因类型属氧化带含锰灰岩风化锰帽型。
The genetic ore type is the type Of manganese hats weathered from the manganese-bearing limestone in the oxidation zone .
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氧化锰矿石仅分布在地表附近，沿倾斜一般向下延伸30-70m即全部变成原始锰矿胚层（含锰、微含锰的硅质灰岩、含硅质灰岩、含钙质硅质岩及石灰岩等）。
Oxidized manganese ores are just distributed at surface nearby , and 30 ~ 70m declined along the slope turn into primary manganese beds which contain manganese , minor manganese-bearing siliceous limestone , siliceous limestone , carbonaceous silicalite and limestone .