ostraite

用法例句

The mineral assemblages of spinel-lherzolite xenoliths in Maguan Area, Eastern Tibet are Ol+Opx+Cpx+Spl.

青藏东缘马关尖晶石二辉橄榄岩包体的矿物组合为橄榄石 (Ol) +斜方辉石 (Opx) +单斜辉石 (Cpx) +尖晶石 (Spl)。

The mullihercynitite is a new type of volcanic rock discovered for the firsttime, composed of hercynite,mullite, pseudobrookite and volcanic glass.

莫来铁尖晶岩是首次发现的一种新型火山岩,由铁尖晶石、莫来石、铁板钛矿和火山玻璃组成,其平均化学成分相当于一个简化的SiO_2-FeO~*—Al_2O_3三元系。

A lot of enclaves named spinel lherzolite and pyroxenite derived from the mantle were fount in alkali basalt of Miocene Naitoushan period.

其中奶头山期碱性玄武岩中含有幔源的尖晶石二辉橄榄岩包体和辉石岩包体。

Formation Conditions and Age for Garnet Lherzolite from Eastern Shandong and Northern Jiangsu,China

胶东—苏北石榴石二辉橄榄岩形成条件及年代

As magma cools, the first minerals to crystallize are olivine and pyroxene, which are rich in iron and magnesium.

随著岩浆冷却，首先结晶出的矿物是橄榄石和辉石，富含铁和镁。

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

Melt-Peridotite Reaction: Constraints on Spinel Compositional Variation from Mantle Xenoliths;

熔体与橄榄岩反应：对地幔包体中尖晶石成分变异的制约

Experimental Study on Partial Melting of Lherzolite from Damaping;

大麻坪地区二辉橄榄岩的部分熔融实验研究

Ultrabasic rocks have a silica content less than 45%. Peridotite is the typical intrusive rock which consists of olivine and pyroxene.

超基性岩的SiO2含量小于45％，它的侵入岩叫做橄榄岩，主要由橄榄石、辉石等矿物组成。

Upward mantle wedge convection recorded by Zhimafang orogenic garnet-lherzolite,Sulu UHP terrane,eastern China.

洋壳俯冲过程中的地幔楔上升对流:来自芝麻坊石榴子石二辉橄榄岩早期变质的证据

The rock-body which have the relation of mtallogenic of copper-nickel ore have the characteristic of compound rock-body. They belong to mafic, ultramafic rocks which type are gabbro, pyroxenite and peridotite.

与铜镍矿成矿有关的岩体具有复合杂岩体特征,多属辉长岩—辉石岩—橄榄岩型镁铁—超镁铁质岩。

Reconstruction of Deformation and Metamorphism during Subduction-Exhumation of Eclogites/Peridotites in Sulu Ultra-high Pressure Metamorphic Terrain

苏鲁榴辉岩/石榴橄榄岩在俯冲—折返过程中的变质变形演化

The main rocks in the complex are gabbro, gabbro-diabase, pyroxenite and olivine-pyroxenite etc.

杂岩体主要岩石类型为:辉长岩、长辉绿岩、辉石岩、榄辉石岩等。

The protolith of Bixiling garnet peridotite-eclogite massif in Dabie Mountains, China is a mafic-ultramafic intrusive body, which was formed in an island-arc environment and subjected to crystallizationfractionation.

碧溪岭橄榄岩一榴辉岩体的原岩为形成于岛弧环境并经受结晶分离作用的镁铁－镁铁质侵入体。

A hard, dense, dark volcanic rock composed chiefly of plagioclase, pyroxene, and olivine, and often having a glassy appearance.

玄武岩一种硬的、致密的、黑色的火山岩。它主要由斜长石、辉石和橄榄石组成，外表经常很光滑

forsterite-fayalite series

镁橄榄石-铁橄榄石系列

The olivine grains in the troctolite of the Upper Zone are rather short and thick.

上岩带橄长岩中的橄榄石颗粒相当短粗。

The garnet pyroxenite consists mainly of garnet and clinopyroxene with minor amounts of Mg-Al spinel, magnetite, tremolite, orthopyroxene, and olivine.

该石榴石辉石岩是由石榴子石、斜辉石以及镁铝尖晶石、铁矿和磁铁矿组成。

A dense igneous rock that consists mainly of olivine and is a source of magnesium.

纯橄榄岩一种密度大的大成岩，主要由橄榄石组成，是镁的一种来源

an olive-green sandstone containing glauconite.

一种橄榄绿的砂岩，含海绿石。