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Hydrogen in silicate melt inclusions in quartz from granite detected with Raman spectroscopy
Li, Jiankang1; Chou, I-Ming2
AbstractBy using Raman spectroscopy, hydrogen was detected, together with CH4, N-2, H2O, disordered graphite, and possibly a (CH4)(n)(H-2)(m) compound, in silicate melt inclusions (SMIs) in quartz from Jiajika granite in China. The occurrences of H-2 in fluid or melt inclusions are rarely reported because they are not commonly expected, and also the spectral window above 4000cm(-1) wavenumbers, where the dominant signals of H-2 located, is rarely covered in routine Raman analyses due to limited information of geological interest available in that spectral range. The mechanisms for the occurrence of H-2 in these SMIs are unknown. However, the retention of H-2 in these SMIs was most likely resulted from the low diffusion rate of H-2 in quartz at low temperatures and also the low H-2 gradient between SMIs and their environments surrounding the host minerals. More studies are needed to determine whether the occurrences of H-2 in inclusions in minerals are common in similar or other rock types, to formulate the mechanisms for its entrapment, and to investigate the associated geological processes. Copyright (c) 2015 John Wiley & Sons, Ltd.
KeywordHydrogen Raman Spectroscopy Granite Quartz Silicate Melt Inclusion
Indexed BySCI
WOS SubjectSpectroscopy
WOS IDWOS:000363090200023
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Affiliation1.Chinese Acad Geol Sci, Inst Mineral Resources, MLR Key Lab Metallogeny & Mineral Assessment, Beijing 100037, Peoples R China
2.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya 572000, Hainan, Peoples R China
Recommended Citation
GB/T 7714
Li, Jiankang,Chou, I-Ming. Hydrogen in silicate melt inclusions in quartz from granite detected with Raman spectroscopy[C],2015:983-986.
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