Discovery of New Cosmic Spinel——Ni-rich Franklinite  

作　　者：王尔康 万玉秋 朱政 曹会 林承毅 周剑雄 张汉卿 

机构地区：[1]Department of Earth Sciences, Nanjing University, Nanjing 210008, PRC [2]Centre for Modern Analysis, Nanjing University, Nanjing 210008, PRC [3]Geological Academy of China, Beijing 100037, PRC

出　　处：《Chinese Science Bulletin》1994年第16期1386-1391,共6页

基　　金：Project Supported by the National Natural Science Foundation of China;the Analytical Foundation of Centre for Modern Analysis,Nanjing University.

摘　　要：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

关 键 词：COSMIC SPINEL Ni-rich franklinite K-T boundary event MICROSPHERULE granite. 

分 类 号：P578[天文地球—矿物学]