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汉语拼音：huǒ chéng yán

在高温或较高温度条件下形成的岩石。一般指岩浆在地下或喷出地表冷凝而成的岩浆岩，也包括非岩浆形成的岩石。主要由长石、石英、云母、角闪石等硅酸盐矿物组成。按其sio2的含量，可分为酸性岩、基性岩和超基性岩。

• The most common intrusive in the order of igneous rocks is granite.

  在火成岩系列中最常见的侵入体是花岗岩.

• Igneous rocks do not contain fossils.

  火成岩不含化石.

• The intrusion sequence for igneous rocks is indicated by crosscutting and inclusion relationships.

  火成岩的归入顺序由切割和包含关系来表示.

• The rocks here are igneous and do not fracture along predictable lines.

  这儿的石头都是火成岩,石头的裂缝极不规则.

• A seam of ingeous rock crops out at that point.

  一层火成岩在那儿冒出来.

• Trap rock is a form of plutonic igneous rock.

  暗色岩是一种火成岩.

• Case study is introduced from Dongying depression and other basins.

  以东营凹陷等火成岩发育区为实例,分析并阐明了有关问题.

• Speaking of volcanoes , man, are they a violent igneous rock formation!

  是啊, 像火山一样.可怕的火成岩构成.

• Irruptive rock body reservoir is one of important rock reservoirs.

  侵入岩体油气藏是火成岩油气藏的重要类型之一.

• Irruptive rock body reservoir is one of important volcanic rock reservoirs.

  摘要侵入岩体油气藏是火成岩油气藏的重要类型之一.

• I wonder if there are further classifications of igneous rocks.

  我想知道火成岩还有进一步的类型划分吗?

• Igneous drape reservoir is a special type of reservoir.

  火成岩披覆油藏是一种特殊的油藏类型.

• Contrast the formation of intrusive and extrusive igneous rocks.

  对比形成的侵扰和挤压火成岩.

• The LIP ( large igneous province ) is the best exhibition when the.

  大火成岩省 ( LIP ) 是地幔柱到达地表最好的表现形式.

• When molten rock cools igneous rocks form.

  当熔融岩石冷却,火成岩形成.