Journal
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
Volume 309, Issue -, Pages 206-211Publisher
ELSEVIER
DOI: 10.1016/j.ijms.2011.10.003
Keywords
GD-MS; Analysis; Nephrite minerals; Metallogenic mechanisms; Geological environments
Funding
- National Natural Science Foundation of China [21102157, 51072208]
- Chinese Academy of Sciences [O87YQ1110G]
- Shanghai Institute of Ceramics, Chinese Academy of Sciences [O97ZC1110G]
- Ministry of Science and Technology of the People's Republic of China [2009IM031100]
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Glow discharge mass spectrometry (GD-MS) was applied to study the nephrite minerals formed by different metallogenic mechanisms and geological environments from deposits in China, Canada, New Zealand and Russia. The GD-MS analysis and multivariate statistic analysis results indicated that two types of nephrite minerals of different metallogenic mechanisms could be classified by some typical elements. It was shown that serpentine-related nephrite minerals had higher concentrations of Cr, Co and Ni than dolomitic-marble-related nephrite minerals. Meanwhile, nephrite samples from Wenchuan had higher concentrations of Mn, V than other deposits and nephrite samples from Xiaomeiling had higher concentrations of Sr, K and Na than other deposits, which were consistent with their geological environments. These analytical results of nephrite samples by GD-MS showed that both metallogenic mechanisms and geological environments could affect the elemental concentrations in nephrite minerals. (C) 2011 Elsevier B.V. All rights reserved.
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