The contents of Rare-earth elements(REE) in harzburgite from Qingshuigou ophiolete are determined by preconcentration neutron activation analysis(NAA),and the contents of REE in basalts at the same time are also measured by instrument neutron activation analysis.
用预浓集中子活化法测定了中祁连岩带清水沟地区方辉橄榄岩中稀土元素(REE)的含量,并用仪器中子活化法测定了玄武岩中的REE。
One is a brecciform harzburgite, composed of about 80% olivine with Fo 90.
在班公湖怒江蛇绿岩带的西端日土出露两种不同的地幔橄榄岩:①角砾状方辉橄榄岩,由80%橄榄石(Fo=90。
In this paper, the microstructural and rheological characteristics of harzburgites from Dongqiao are investigated.
报道了该地区方辉橄榄岩中橄榄石的位错显微构造特征 ,估算了上地幔流变学参数 。
The mantle area in which Cpx-peridotites are located has undergone light depletion and late stdge metasonmatism.
笔者在该区工作时着重对含角闪石单辉橄榄岩包体进行了研究，并从地球化学和热力学角度探讨了此类包体的成因机制。
0GPa and 1350～1550℃ using lherzolite from Damaping region as starting material.
本文以大麻坪地区二辉橄榄岩为初始物料，在压力为1。
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
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
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。
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
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
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。
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
alkali olivine basalt magma
碱性橄榄玄武岩岩浆
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。
Alpine peridotite serpentinite
阿尔卑斯型橄榄蛇纹岩
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
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。
sulfocarbon oil
[罕]橄榄油;硫碳油(用二硫化碳提取得的橄榄油)
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。
Serpentinite-is the least altered member of the peridotite suite.
蛇纹岩-是橄榄岩组蚀变最轻微的分子。
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