We report results of petrologic and mineralogical studies of 25 unequilibrated ordinary chondrites(19 Chinese Antarctic meteorites)using electron microprobe,scanning electron microscopy(SEM)and energy
Ureilites are a common group of achondrites with a high abundance of carbon.They probably have a genetic relationship with chondrites,hence provide an insight into origin and evolution of terrestrial
<正>Advances in Polar Science(APS)has been published since 1990 as a peer-reviewed English-language journal dedicated to the presentation of multi-disciplinary
GRV 90027 is a Martian lherzolitic shergottites(L-S)containing poikilitic,non-poikilitic,and melted pocket components.GRV 99027 is mainly composed of olive(55 vol%)and pyroxene(37.5 vol%),with minor m