ELEMENT GEOCHEMISTRY OF MELT AND BASEMENT ROCKS OF NUCLEAR EXPLOSION CRATER  

作　　者：林文祝 

机构地区：[1]Institute of Geochemistry, Academia Sinica, Guiyang

出　　处：《Chinese Science Bulletin》1989年第5期421-425,共5页

摘　　要：Most terrestrial impact craters such as Ries and Lappajarvi craters contain a lot of impact melts. The common character of the impact melts includes (ⅰ) an extremely homogeneous composition, (ⅱ) the chemical component of melt indicating the properties of basement rocks and (ⅲ) the partial melts

关 键 词：IMPACT CRATERING IMPACT MELT rare earth element (REE) pattern GLASSY MELT tektite. 

分 类 号：N[自然科学总论]