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。
The SHRIMP age data and geochemical results of the Palaeoarchaean dioritic gneiss and fine-grained trondhjemite of the ancient Dongshan rock belt from the Anshan area are reported in this paper.
本文报道了该区东山古老岩石带古太古代闪长质片麻岩和细粒奥长花岗岩的SHRIMP测年结果和地球化学组成。
Statistical results show that medium and fine-grained sandstones are the most favorable rock types for uranium mineralization.
统计结果表明，中、细粒砂岩是铀矿化最有利的岩石类型。
A large rock fragment, deposited in the midst of the fine-grained sediments on the floor of a proglacial lake or of the sea.
沉积于冰前湖底或海底的细粒沉积物中间的大石块。
The zircon samples were fresh and unweathered. The rock is coarse-grained biotite monzogranite.
所测锆石样品新鲜、未风化，岩性为粗粒黑云母二长花岗岩。
Based on combination features of laterolog-3 resistivity, gamma-ray, sonic traces on coal seam, limestone, sandstone, mudstone, fine-grained sandstone, carried out rock and coal seam correlation.
根据密度、三侧向电阻率、自然伽马、声波等测井曲线在煤层、灰岩、砂岩、泥岩、细砂岩等岩性上的组合特征，进行了岩煤层的对比。
Based on combination features of laterolog-3 resistivity, gamma-ray, sonic traces on coal seam, limestone, sandstone, mudstone, fine-grained sandstone, carried out rock and coal seam correlation.
根据密度、三侧向电阻率、自然伽马、声波等测井曲线在煤层、灰岩、砂岩、泥岩、细砂岩等岩性上的组合特征，进行了岩煤层的对比。
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