E3S Web Conf.
Volume 98, 201916th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
|Number of page(s)||6|
|Section||Applied Isotope Geochemistry|
|Published online||07 June 2019|
K-Ar dating by smectite extracted from bentonite formations
Central Res. Inst. Elect. Power Industry, 270-1194 Chiba, Japan
2 Hokuriku Elect. Power. Company, 930-8686 Toyama, Japan
* Corresponding author: firstname.lastname@example.org
We attempt to apply K-Ar dating to extracted smectite from bentonite formations collected by different age formations from Japan, China, and America. The results show that the K-Ar ages of smectite are younger than the expected geological age estimated from the stratigraphic data or other research data. The time differences increase with increased age, and K-Ar ages in this study also increase with increased age. For example, smectite in the old strata of bentonite has an older age than smectite in the young strata. K-Ar dating by smectite has the greatest potential for indicating the crystallized age of smectite.
© The Authors, published by EDP Sciences, 2019
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