Spinel-group minerals are richly preserved in cosmic dusts, which have been reported to occur in chondritic microspherules of deep sea sediments and polar ice,and considered to be formed by the ablation of extraterres...Spinel-group minerals are richly preserved in cosmic dusts, which have been reported to occur in chondritic microspherules of deep sea sediments and polar ice,and considered to be formed by the ablation of extraterrestrial material during the atmospheric entry heating. Spinels have not been considered an important identification for extraterrestrial matter for a very long time, and have not展开更多
基金Project Supported by the National Natural Science Foundation of Chinathe Analytical Foundation of Centre for Modern Analysis,Nanjing University.
文摘Spinel-group minerals are richly preserved in cosmic dusts, which have been reported to occur in chondritic microspherules of deep sea sediments and polar ice,and considered to be formed by the ablation of extraterrestrial material during the atmospheric entry heating. Spinels have not been considered an important identification for extraterrestrial matter for a very long time, and have not
