It is showed from the result that with concentrate iron fines being grained, lime-rock added in and anthracite finely ground, the percentage metallization can get higher greatly.

结果表明：铁精粉制粒后、加入石灰石、无烟煤细磨后，金属化率大幅度提高。

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A coarse-grained, plutonic or intrusive igneous rock of felsic composition having large crystals of quartz, feldspar and mica.

一种粗粒的，深成的或侵入的长英质成分的火成岩，含石英、长石和云母的粗大晶体。

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A fine-grained metamorphic rock composed of quartz, feldspar, mica, and other minerals, formed by the action of intrusive rock upon sedimentary rock, especially shale.

一种纹理清晰的变质岩，由石英、长石、云母和其他矿物组成，因侵入岩对沉积岩，特别是页岩的作用而形成。

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