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- 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。
- occurrences of igneous rocks 火成岩产状
- 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 mineral composition of a sample of igneous rock. 火成岩样品的矿物构成
- A mass of igneous rock filling the vent of a volcano. 岩颈填满一座火山的一块火成岩
- 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。
- Derived from magma poured out or ejected at the earth's surface. Used of igneous rocks. 喷出的火山的来自于喷出或喷在地表的岩浆的。用于火成岩
- Derived from magma poured out or ejected at the earth's surface.Used of igneous rocks. 喷出的火山的来自于喷出或喷在地表的岩浆的。用于火成岩
- Any of a group of igneous rocks composed mainly of olivine and various pyroxenes and having a granitelike texture. 橄榄岩含有大量橄榄石和各种辉石并有花岗岩状质地的岩石
- A body of igneous rock formed beneath the surface of the earth by consolidation of magma. 火成岩岩浆凝固后在地表下形成的火成岩岩体
- Potassium-argon dating: Method for determining the age of igneous rocks Based on the amount of argon-40 in the rock. 钾－氩年代测定法: 根据岩石内氩－40的含量来测定火成岩形成年代的方法。
- A large mass of igneous rock that has melted and intruded surrounding strata at great depths. 岩基大量的已经熔化并已侵入周围地壳岩层的火成岩
- The relation between tensional and compressive shove, normal and reverse drag, shove fault and the action of igneous rocks are ... 分析了张性走滑与压性走滑、正牵引与逆牵引、走滑断层与火成岩活动的关系。这些认识,对胜利油区潜山的勘探引发了新的思考。
- The provenance of most ilmenites in Cretaceous sandstones is metamorphic rocks, and the proportion of igneous rocks provenance increase in Tertiary. 白垩系砂岩中的钛铁矿多来自变质岩，上第三系砂岩中来自火成岩的钛铁矿比例增加。
- It and OMEGA have revealed a diversity of igneous rock compositions that rivals Earth's. 它与omega揭露出各形各色的火成岩组成，足与地球上的媲美。
- R.Schmidt?Descriptive Nomenclature &Classification of Pyroclastic Deposits &Fragments?Recomendation of IUGS Subcommision on the Systematics of Igneous Rocks?Geology?Vol.9?5?1981. 孙善平?国内外火山碎屑岩的分类、命名、历史及现状?《地球科学》?卷12?6?1987。
- Teaching and Research Group of Mineralogy and Petrology, Nanjing University. 1980. Petrology of Igneous Rocks [M]. Geological Publishing House, Beijing (in Chinese). 南京大学地质系矿物岩石教研室.;1980
- Based on the studies of the REE and trace elements of igneous rocks, and the stable isotope and inclusions Of the ore bodies, this paper discusses the genesis of the dePOsit. 本文在对比分析矿区火成岩（围岩）及含矿段岩矿石稀土元素、微量元素的基础上，结合矿石稳定同位素及包裹体特征对矿床成因作了探讨。
- Its mineral compo- sition shows that it is possibly a new type, of igneous rock. 根据其矿物组成,可能为一种新的岩石类型。
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