无球粒陨石

无球粒陨石的或与之相关的。

Of or related to an achondrite .

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 .

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

南极陨石研究的启示Ⅷ：原始无球粒陨石及其成因

Inspiration from study of Antarctic meteorites ⅷ:? Primitive achondrites and their origin

南极GRV021788橄辉无球粒陨石的岩石学和矿物学特征

Petrography and mineralogy of the Grove Mountains ( GRV ) 021788 ureilite from Antarctica

南极格罗夫山GRV021788陨石由橄榄石、辉石以及少量的富碳基质、不透明矿物组成，具有橄辉无球粒陨石典型的岩相学和矿物学特征，包括橄榄石晶体三线共点的接触和富镁还原边等。

The Grove Mountains ( GRV ) 021788 meteorite from Antarctica consists of olivine , pyroxene , and a few carbonaceous matrices and opaque minerals . It has petrography and mineralogy of typical ureilites , such as triple junctions and Mg-rich reduction rims of olivines .

东乌珠穆沁旗及渭源中铁陨石的硅酸盐相在主元素丰度上类似于紫苏钙长无球粒陨石，其宇宙射线暴露年龄分别为（252±50）Ma和（25.9±5.0）Ma。

Major element abundances of the silicate phase of the two mesosiderites are similar to those of howardites . The cosmic ray exposure ages are ( 242 ± 50 ) Ma for Dong Ujimqin Qi mesosiderite and ( 25.4 ± 5.0 ) Ma for Weiyuan mesosiderite .