Experiment of the 40Ar/39Ar dating of diagenetic illite in gas reservoirs

被引：7
|
作者：
Wang, LZ [1 ]
Dai, TM
Peng, PA
机构：
[1] Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China
[2] China Univ Geosci, Fac Resources, Wuhan 430074, Peoples R China
来源：
CHINESE SCIENCE BULLETIN | 2004年 / 49卷
基金：
中国国家自然科学基金;
关键词：
40Ar/39Ar dating; diagenetic illite; purification of clay minerals; Ar recoil loss; time of gas emplacement;
D O I：
10.1007/BF02890459
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
40Ar/39Ar dating of diagenetic illite has been performed to investigate gas reservoirs in the Sulige Gas Field of the northern Ordos Basin. A series of technical challenges were confronted, including illite purification, Ar recoil loss, and separation of diagenetic illite from detrital illite. Mineral growth ages for diagenetic illite were obtained by this experiment, from which the age of gas emplacement was deduced to be later than 169 Ma.
引用
收藏
页码：89 / 93
页数：5
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