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40Ar/39Ar dating of Daqingshan thrust

✍ Scribed by Zhenghong Liu; Zhongyuan Xu; Zhensheng Yang


Book ID
105648583
Publisher
Springer
Year
2003
Tongue
English
Weight
287 KB
Volume
48
Category
Article
ISSN
1001-6538

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## HISTORICAL DEVELOPMENT AND BASIC PRINCIPLES The K-Ar method is based on the quantitative accumulation of the isotope 40 Ar\* ('\*' denotes radiogenic) generated by the radioactive decay of naturally occurring 40 K (about 0.01% of all potassium, and having a half-life of 1.250 billion years 1,2