They are the probe of studying the origin and evolvement of early solar nebula, and are mainly found in carbonaceous chondrites.
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。
Fine-grained rims are the special components in carbonaceous chondrites,mainly from the coarse-grained components(chondrule,CAI,lithic fragment and mineral fragment),providing insight for the evolution of the solar nebula.
细粒边(FGR)是碳质球粒陨石的特殊组分,主要产于粗粒组分(球粒、难熔包体、岩屑和晶屑)的周围,对探索太阳星云条件演化具有重要意义。
Different mean values of chondrite are summarized and their effects on parameters of REE are discussed.
着重分析采用不同球粒陨石平均值对δEu、δCe计算的影响 ,并提出建议采用的球粒陨石平均
The GRV 024516 and GRV 024517 meteorite samples collected from Grove Montains,Antactica are ureilite and H5 ordinary chondrite,respectively.
我国在南极格罗夫山陨石富集区回收的GRV024516和GRV024517陨石样品分别为橄辉无球粒陨石和H5普通球粒陨石,在矿物-岩石学研究的基础上测定和计算了这两个陨石的宇宙射线暴露年龄和气体保存年龄,其宇宙射线暴露年龄分别为33。
Petrological Model for Condensation Process of Solar Nebula:(1) Condensation Genesis of Chondrites;
太阳星云凝聚过程的岩石学模型：（1）球粒陨石的凝聚成因
GRV 99018 and GRV 99027 are achon-drites, other 26 meteorites are ordinary chondrites.
它们都是石质陨石,有球粒陨石和无球粒陨石。
Ureilites are ultramafic magmatic rooks and they exhibit some characteristics of both primitive and differentiated achondrites.
本文主要综述单矿和复矿碎屑橄辉无球粒陨石的矿物-岩石学特征及冲击变质效应,并依据Δ17O,δ13C,mg#[MgO/(MgO+FeO)mol%],稀有气体,辉石丰度及辉石类型讨论橄辉无球粒陨石的分类和成因模式。
This, too, is the case for the ordinary-and carbonaceous-chondrite groups.
而对普通陨石和碳质球粒陨石也都是如此。
Fine-Grained Rim(FGR) of Carbonaceous Chondrites:Witness to the Evolution of the Solar Nebula
碳质球粒陨石细粒边(FGR):太阳星云演化的见证
A stone of meteoric origin characterized by chondrules.
球粒陨石以粒养体为特征的陨石
LL group chondrite
低铁低金属群球粒陨石
having a granular structure like that of chondrites.
有像球粒状陨石一样的粒状结构。
of or related to an achondrite.
无球粒陨石的或与之相关的。
GR99027 meteorite from Blue Ice Area in Antarctica is an achondrite.
来自南极格罗夫山蓝冰地区的GR99027陨石为一无球粒陨石。
INSPIRATION FROM STUDY OF ANTARCTIC METEORITES Ⅷ:?PRIMITIVE ACHONDRITES AND THEIR ORIGIN
南极陨石研究的启示Ⅷ:原始无球粒陨石及其成因
Classification of 104 Meteorites Collected in Grove Mountains, Antarctica, and a Comparative Study of Ca-, Al-rich Inclusions (CAIs) from Various Groups of Chondrites;
南极陨石分类及不同球粒陨石群中富Ca、Al包体对比研究
The Distribution of Elements in the Metal Phase of Some Chinese Ordinary Chondrites
我国某些普通球粒陨石金属相的元素分布
Thermoluminescence and Thermal History for some Chinese Ordinary Chondrites;
部分中国普通球粒陨石的热释光与热历史
Chondrules are frozen droplets of once-liquid rock.
陨石球粒是由一些曾经液化的石头凝固而成的小滴。
The Petrography,Mineral Chemistry of 6 New Unequilibrated Ordinary Chondrites Collected from the Grove Mountains,Antarctica
南极格罗夫山6块非平衡型普通球粒陨石的矿物-岩石学特征
or arrived as part of a late-accreting veneer of water-rich meteorites, similar to the carbonaceous chondrites that we see today;
另一种是来自一种后期聚集增生的富水陨星块体，与今天看到的碳质陨石相似；
That chondrules formed in such quantities suggests that the heating which created them was widespread.
这么大量的陨石球粒的形成说明能使它们形成的热量的范围很大。
It was the study of chondrites that allowed researchers to work out how old the solar system is.
研究者通过研究球粒状陨石而得出太阳系的年龄。
A tiny particle of meteoric dust, especially one of many that fall to the surface of the earth or moon.
微陨星微小的陨星颗粒，特指大量坠向地球或月球表面的微陨星
A stony or metallic mass of matter that has fallen to the earth's surface from outer space.
陨星从外层空间坠落到地球表面的大块石头或金属物质