n. petrosilex ; pyrolith
misc. igneous rock ; pyrogenetic rock
火成岩（igneous rock）是三大类岩石的主体，占地壳岩石体积的64.7％ 。由炙热岩浆在地球不同层圈冷凝结晶或固结形成的岩石称为火成岩或岩浆岩，是岩浆作...
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...大学学报（自然科学版、英文版） 关键字: 煤;火成岩;高精度磁测;拟神经网络;三维反演[gap=1101]Key words: coal; volcanic rock; high precision magnetic method; pseudo neural network; 3 dimension inversion..
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... pyrogenetic mineral 火成矿物 pyrogenetic rock 火成岩 pyrogenic rock 火成岩 ...
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酸性火成岩 acid igneous rock ; acidic rock
钠质火成岩类 [岩] agpaite
侵入火成岩 intrusive igneous rock ; intusive rock ; Intrusiveigneousrocks
基性火成岩 basic igneous rock ; basic rock
大火成岩省 Large Igneous Province ; LIPS ; Large Igneous Provinces
花岗状火成岩 granolite
火成岩省 ELIP ; large igneous provinces ; LIPS
钠质火成岩 agpaite
At last this forcasted the gas emission rules near the igneous rock using grey forecasting model.
最后运用灰色预测模型进行预测瓦斯火成岩附近的瓦斯涌出规律。
参考来源 - 火成岩侵入煤层瓦斯涌出规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
火成岩和变质岩比较致密，通常是结晶性的，颗粒之间很少有空隙。
Igneous and metamorphic rocks are more compact, commonly crystalline, and rarely contain spaces between grains.
在造山的过程中，一些非常古老的沉积物已被转化为火成岩和变质岩，已经无法辨认了。
Some very ancient sediments were no longer recognizable, having been converted to igneous and metamorphic rocks in the course of mountain building.
钻石是稀有火成岩（称为煌斑岩和金伯利岩）中偶尔出现的一种成分，其年代测定方法从未令人满意。
Diamonds, an occasional component of rare igneous rocks called lamproites and kimberlites, have never been dated satisfactorily.
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