fine-grained rock 幼粒岩石
coarse-grained rock 粗粒岩石
fine grained detrital rock 细粒碎屑岩
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。
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。
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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