NEWS FROM RESEARCH Argon Isotope Studies of Andesine Collected During the 2010 Expedition to Tibet
نویسنده
چکیده
Argon isotope studies of samples returned from the 2010 expedition to Tibet showed that the tested andesines from Yu Lin Gu and Zha Lin contained high concentrations of radiogenic argon and indicated that they had not been subjected to a copper diffusion process.
منابع مشابه
Authenticity and provenance studies of copper-bearing andesines using Cu isotope ratios and element analysis by fs-LA-MC-ICPMS and ns-LA-ICPMS.
Whereas colored andesine/labradorite had been thought unique to the North American continent, red andesine supposedly coming from the Democratic Republic of the Congo (DR Congo), Mongolia, and Tibet has been on the market for the last 10 years. After red Mongolian andesine was proven to be Cu-diffused by heat treatment from colorless andesine starting material, efforts were taken to distinguish...
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