NH_4-illite in Permo-Carboniferous coal-bearing strata,North China  

作　　者：刘钦甫 张鹏飞 丁树理 林西生 郑乃萱 

机构地区：[1]Beijing Graduate School, China University of Mining and Technology, Beijing 100083, China [2]Hebei Civil and Engineering Institute, Handan 056038, China. [3]Research Institute of Petroleum Exploration & Developement, Beijing 100083, China.

出　　处：《Chinese Science Bulletin》1996年第17期1458-1461,共4页

基　　金：National Natural Science Foundation of China.

摘　　要：Geochemical and mineralogical studies have shown that N is a ubiquitous component in igneous, metamorphic, and especially sedimentary rocks. N is structurally bound in the form of NH₄⁺ in such minerals as buddingtonite, NH₄-bearing biotite or mica. NH₄-illite has been reported abroad; however, no detailed report about it has been made in Chi-

关 键 词：coal BED PARTING NH4-illite origin. 

分 类 号：P618.11[天文地球—矿床学]