Under supergene process influencing, kaolinites invered dickites, siderite were been ferritization, part of carbonate mineral have been dissoluted producing calcite.

在表生作用的影，岭石向地开石转，菱铁矿褐铁矿，部分碳盐矿物溶解生成方解石。

An oxidized zinc ore from Inner Mongolia was found to be very difficult to treat due to its features of high oxidation rate,heavy weathering and the intimate association of hemimorphite and limonite.

内蒙某锌矿石,风严重,异极矿和褐铁矿共生关系紧密且复杂,是一个难选的锌矿。