研究认为它们是磷灰石风化作用形成的表生矿物。
Studies of these minerals show they are hypergene minerals formed from weathering of apatite.
矿石矿物主要为自然铜及其表生氧化产物黑铜矿、赤铜矿、孔雀石等；
Copper minerals mainly include native copper and its oxides such as cuprite, tenorite and malachite together with a littlechalcocite.
硅酸盐是地壳岩石最主要的造岩矿物，表生条件下硅酸盐矿物的溶解是普遍的。
Silicates are the most important forming-rock minerals of earth crust rock and in exogenous environments, and the dissolution of silicate minerals is universal.
硅酸盐是地壳岩石最主要的造岩矿物，表生条件下硅酸盐矿物的溶解是普遍的。
Silicates are the most important forming-rock minerals of earth crust rock and in exogenous environments, and the dissolution of silicate minerals is universal.
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