球粒陨石

吉林球粒陨石K-Ar年龄与Ar~（38）暴露年龄研究

K-Ar age and ~ ( 38 ) ar exposure age determination of the Kirin chondrite

信阳球粒陨石初步研究

Preliminary study on the Xin Yang chondrite

地球的初始物质为分异的铁陨石及H群球粒陨石。

The primitive material of the Earth were the differentiated iron meteorites and H chondrites .

同一化学群的陨石，变质程度越高吸收谷越深。而地球火成岩反射谱，则依酸性、基性和超基性逐渐显示出H群球粒陨石的反射谱型。

The same chemical group of meteorites feature deeper and deeper absorption valleys with increasing metamorphic grade .

H型球粒陨石TL灵敏度与冲击相和钾含量的研究

Study on the TL sensitivity , shocking phase and K content of ten h chondrites

过渡元素球粒陨石标准化曲线，也均呈微向右倾斜的W形曲线。

The transitional element curves standardized by chondrite were all W type curves inclining gently to the right .

REE球粒陨石标准模式图为富LREE类型，δEu无异常到弱异常。

The chondrite-normalized REE patterns are enriched in LREE with a small Eu anomaly .

球粒陨石富金属FeNi相的高压熔融实验与地核形成机制的探讨

An experimental study of melting of metal Fe-Ni-RICH phase of chondrite under high pressure and Discussion on Mechanism of formation of the earth core

不同化学群球粒陨石中CAI的岩石学和矿物化学特征研究。

( 2 ) The study of petrography , and mineral chemistry of Ca - , Al-rich inclusions from various groups of chondrites .

富碱火山岩的稀土元素组分及球粒陨石标准化型式表明，碱性玄武岩的稀土元素特征亦表现为Eu亏损不明显，轻稀土相对富集。

The REE characteristics and the chondrite-normalized patterns of the alkali-rich volcanic rocks show that there is no significant loss of Eu , relatively enrich LREE .

稀土元素配分模式上，球粒陨石标准化配分曲线明显右倾，轻稀土元素相对富集，反映出沉积物中等程度的Eu负异常。

In REE distribution patterns , the chondrite-normalized REE partition curve incline to the right , indicate that they are enriched in LREE and middle degree Eu negative abnormity .

因此，TL灵敏度的测定已用作3型普通球粒陨石，CO、CV球粒陨石和钙长辉长无球粒陨石新的分类方法。

The measurement of TL sensitivity has produced new means of classification for 3 type of ordinary chondrites , CO , CV chondrites and eucrites .

稀土含量特征及球粒陨石标准化模式与岛弧拉斑玄武岩的特征相似，w（∑ree）值高，且富轻稀土，稀土配分模式为右倾型。

The REE distribution patterns with high value of Σ REE , enrichment of LREE and incline to the right are similar to the island-arc tholeiite .

吉林球粒陨石（H5）的高压声速实验研究

Experimental study on measuring sound velocities of Jilin aerolite at high pressure

一个新陨落的L（65）型球粒陨石广饶陨石

The Guangrao meteorite : a newly fallen l_ ( 6-5 ) chondrite

（La/Yb）n高达29.82~84.94。钾质火山岩对球粒陨石标准化的REE配分型式均为向右陡倾的LREE富集型。

The ( La / Yb ) n is as high as 29.82 ~ 84.94 . The chondrite-normalized REE patterns are LREE-riched type of dipping steeply to right .

变质作用通过原始火成玻璃的脱玻作用产生长石，使普通球粒陨石的TL灵敏度增加达105倍。

Metamorphism generates feldspar through the devitrification of primary igneous glass and causes TL sensitivity to increase by a factor of ~ 10 5 in ordinary chondrites .

稀土元素的球粒陨石配分模式均呈现Eu负异常，模式具负斜率，表明表层沉积物物质主要来源于大陆地壳。

The chondrite-normalized REE patterns of were characterized by the negative Eu ( abnormally ) and the negative gradient , indicating that the main material sources of surface sediments are of matter from the mainland earth crust .

普通球粒陨石中的CAI均发生了强烈的蚀变，黄长石被细粒蚀变产物集合体所替代。（3）不同球粒陨石群中富Ca、Al包体的对比研究。

All CAIs in the ordinary chondrites are heavily altered , mainly consisting of fine-grained alteration assemblages without melilite . ( 3 ) The comparative study of Ca - , Al-rich inclusions from various groups of chondrites .

岚皋碱质煌斑杂岩主量元素呈规律性演化，REE球粒陨石标准化配分型式呈强右倾型，富集不相容元素。

The alkali lamprophyre complex from Langao County , whose chondrite-normalized REE patterns all incline to the right and whose major elements vary regularly , has abundant incompatible elements .

南极GRV98002（L5）和GRV98004（H5）普通球粒陨石的热变质作用

Thermal metamorphism of GRV 98002 ( l5 ) and grv98004 ( h5 ) ordinary chondrites

含矿建造中容矿岩石的REE球粒陨石标准化模式是具有中等的Ce负异常和明显的Eu正异常、向右倾的图形，与一些热水沉积物的模式都有相似之处。

The REE chondrite standardized model of the ore-bearing host rock show a middle Ce negative anomaly , obviously Eu positive anomaly and the right dip graphics , which are similar to some hot water sediments model .

我国南极橄辉无球粒陨石（GRV024516）和H5球粒陨石（GRV024517）宇宙射线暴露年龄和气体保存年龄

Cosmic-ray exposure ages and gas retention ages of ureilite ( grv 024516 ) and ordinary chondrite ( grv 024517 ) from Antarctica

各种类型的多金属结核PGE和Au的球粒陨石配分曲线及有关参数非常一致，均表现为Pt正异常和Pd负异常，显示其中PGE和Au具有相似的来源。

Different types of nodules have quite similar PGE and Au chondrite_normalized patterns and related parameters , with positive Pt and negative Pd anomalies , indicating that PGE and Au in different types of nodules have the same sources .

X-Wind模式下对宁强碳质球粒陨石光学特征的重新认识

A New Cognition of Optic Characteristic of Ningqiang Carbon Chondrite with X-wind Model

本文对它们进行了反光显微镜鉴定、X射线分析、反射率及硬度的测定和电子探针分析，总结了不同化学群的球粒陨石铬铁矿、钛铁矿中FeO、MgO含量变化规律。

These minerals were studied using reflecting microscopy , X-ray analysis , reflectivity and hardness determination , electron microprobe , etc. Variations in FeO and MgO contents of chromite and ilmenite in different chemical groups of chondrites are summarized in this paper .

富Ca、Al包体（CAI）是太阳星云最早期各种热事件的产物，保存了大量原始星云的信息，是研究星云形成和演化的探针，它们主要出现在碳质球粒陨石中。

Ca - , Al-rich inclusions ( CAIs ) are the earliest assemblages of the solar nebula , and they contain information of early solar nebula . They are the probe of studying the origin and evolvement of early solar nebula , and are mainly found in carbonaceous chondrites .

金川铜镍硫化物矿床铂族元素球粒陨石标准化型式属于Pt&Pd配分类型，Pt、Pd>Os、Ir、Ru、Rh，存在3种不同形式的图形；

The Jinchuan Cu-Ni sulphide deposit is hosted in ultrabasic intrusions . The platinum group elements ( PGE ) is Pt-Pd partition type in the chondrite normalization pattern with higher contents of Pt and Pd than Os , Ir , Ru and Rh , and have three different figures .

通过类C1陨石与其它球粒陨石及C1陨石成分结构特征的对比，推断它们是星云盘边缘层星云发生气－液－固和气－固联合凝聚作用，同时发生水化作用的产物。

Through the comparative studies on Q-C1 meteorite , C1 meteorite , and other carbonaceous chondrite , the Q-C1 meteorite 's origin is inferred that they were results if gas-liquid-solid condensation , gas-solid condensation and hydrous effect in border sheet of nebular disk .

N-MORB标准化蛛网图和球粒陨石标准化图解表明，本区洋岛拉斑玄武岩和洋岛碱性玄武岩具有共同的岩浆源区。

In addition , the N-MORB-normalized spider diagram and the Chondrite-normalized REE pattern show that the two kinds of rocks were generated from the same parental magmatic source .