Abstract
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.
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Wang, L., Dai, T. & Peng, P. Experiment of the40Ar/39Ar dating of diagenetic illite in gas reservoirs. Chin. Sci. Bull. 49 (Suppl 1), 89–93 (2004). https://doi.org/10.1007/BF02890459
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DOI: https://doi.org/10.1007/BF02890459