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- Any of several intermediate igneous rocks constituting feldspar and ferromagnesium minerals that occur as dikes and minor intrusions. 煌斑岩任一种含有长石和铁镁矿物中型的黑色岩石，呈现为岩脉或侵入岩
- It is proposed that the material source of this deposit is melanic intermediate igneous rock,whic... 在沉积后，粘土矿物随着埋藏深度的加大，致使粘土矿物发生转化。
- intermediate igneous rocks 中性火成岩
- Igneous rocks do not contain fossils. 火成岩不含化石。
- Containing little silica, as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- Containing little silica,as igneous rocks. 基性的基性的，含有比较少量的二氧化硅的作为火成岩的
- 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。
- An igneous rock consisting chiefly of pyroxenes. 辉岩主要由辉石组成的一种火成岩
- A dark, fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
- A dark,fine - grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- A dark,fine.- grained igneous rock;diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩;辉绿岩
- So eruption of volcanoes is one way of producing igneous rocks. 那么火山喷发是形成火山岩的一种方式罗。
- A dark, fine-grained igneous rock; diabase. 粗玄岩，辉绿岩一种暗色微粒火成岩；辉绿岩
- Trap rock is a form of plutonic igneous rock. 暗色岩是一种火成岩。
- 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?
- Key points: texture, structure and classification of igneous rocks. 重点：岩浆岩的分类、结构和构造.
- The two most common types of igneous rocks are granite and basalt. 两种最普遍的火成岩是花岗岩和玄武岩。
- The mineral composition of a sample of igneous rock. 火成岩样品的矿物构成
- An igneous rock consisting chiefly of pyroxene and nepheline. 霞岩主要由辉石和霞石组成的火成岩
- A crystal foreign to the igneous rock in which it occurs. 捕获晶在火成岩内部形成的外来晶体
