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- A change within an intrusive igneous rock caused by the assimilation of portions of the surrounding rock. 内变质作用由于周围岩石同化作用而在侵入火成岩内部产生的变化
- Geology A body of intrusive igneous rock of which less than 100 square kilometers (40 square miles) is exposed. 岩株：一种侵入性火成岩体，少于100平方公里(40平方英里），暴露在地表外
- Because they cool slowly the mineral crystals have enough time to grow to a size which can be easily seen with the naked eye. Thus the intrusive igneous rocks usually have a coarse texture. 岩石中矿物晶体就有足够的时间结晶生长，这样，岩石中矿物便足够的大，以致于用肉限也可辨认它们。所以侵入岩通常具有粗粒结构。
- geological composition variable but generally including andesitic, intrusive igneous rocks (e.g. 地质的组成通常包括安山石，火成岩(例如,花冈岩)与风化岩。
- 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。
- large mass of intrusive igneous rock believed to have solidified deep within the earth. 大块的侵入火成岩，被认为是在地球内部深处凝固而成。
- large mass of intrusive igneous rock believed to have solidified deep within the earth 大块的侵入火成岩，被认为是在地球内部深处凝固而成
- acidic rocks have a silica content over 70 % Granite is the typical example of acidic intrusive igneous rock, which is composed mostly of potash feldspar, quartz and minor mica. 岩石中Si02含量大于70%25时，称为酸性岩，花岗岩就是酸性侵入岩石的一个典型例子，它的矿物成分主要是钾长石、石英以及少量云母，
- intrusive igneous rocks 火成侵入岩
- intrusive igneous rock 侵入火成岩
- Both intrusive and extrusive igneous rocks can be further classified according to the differences of chemical and mineral compositions. 根据岩石中的化学成分和矿物成分差异，侵入岩和喷出岩可以作进一步的详细划分。
- The orebodies occur within or near the exocontact of intrusive rocks and above the hidden igneous rocks. 金矿产于岩体外接触带及其附近和隐伏岩体上方。
- 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
- 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。
