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Discovery of spodumenebearing pegmatites from Ra Chu in the Mount Qomolangma region and its implications for studying rare -metal mineralization in the Himalayan orogen
Liu XiaoChi1; Wu FuYuan1,2; Wang RuCheng3; Liu ZhiChao4; Wang JiaMin1; Liu Chen3; Hu FangYang1; Yang Lei5; He ShaoXiong1
2021-11-01
Source PublicationACTA PETROLOGICA SINICA
ISSN1000-0569
Volume37Issue:11Pages:3295-3304
AbstractPresent studies have revealed the leucogranites from Himalayan orogen are vital potential for Be-Nb-Ta-Li rare -metal mineralization, and spodumene-bearing pegmatites dominantly concentrated in the Pusi La of the Mount Qomolangma region. In this study, the first spodumene-bearing pegmatite is discovered in the Ra Chu transect, north of the Pusi La. The foliated pegmatites present as lenses concordant with the prominent mylonitic fabric and mainly concentrated in the contact boundary between the calcsilicate of the North Col Formation and the marble in the "Yellow Band" of the Rouqiecun Group. Internal zonation is not observed from the pegmatites. The mineral assemblages of the pegmatite contain Li-Be-Nb ( Ta)-Sn minerals including spodumene, petalite, beryl, columbite and cassiterite. Li20 concentrations of the pegmatite samples from the transect are 1. 30% 2. 15%. Mineralogy and geochemistry results suggest the pegmatites have experienced a high degree of crystal fractionation, which indicates that there is a sufficient prospect for lithium mineralization in the Mount Qomolangma region. The bottom of the "Yellow Band" and top of the North Col Formation corresponding to the high -strain shear zone of the South Tibetan Detachment System is probably the enrichment layer of spodumene-bearing pegmatites and it is an important target zone for lithium mineral exploration in the future.
KeywordLeucogranite Himalaya Rare-metal mineralization Spodumene South Tibetan Detachment System Rouqiecun
DOI10.18654/1000-0569/2021.11.04
WOS KeywordDEFORMATION
Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000747486100004
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104911
Collection岩石圈演化国家重点实验室
Corresponding AuthorLiu XiaoChi
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
3.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China
4.Sun Yat Sen Univ, Sch Earth Sci & Geol Engn, Guangzhou 510275, Peoples R China
5.Chengdu Univ Technol, Dept Geosci, Chengdu 610059, Peoples R China
First Author AffilicationState Key Laboratory of Lithospheric Evolution
Corresponding Author AffilicationState Key Laboratory of Lithospheric Evolution
Recommended Citation
GB/T 7714
Liu XiaoChi,Wu FuYuan,Wang RuCheng,et al. Discovery of spodumenebearing pegmatites from Ra Chu in the Mount Qomolangma region and its implications for studying rare -metal mineralization in the Himalayan orogen[J]. ACTA PETROLOGICA SINICA,2021,37(11):3295-3304.
APA Liu XiaoChi.,Wu FuYuan.,Wang RuCheng.,Liu ZhiChao.,Wang JiaMin.,...&He ShaoXiong.(2021).Discovery of spodumenebearing pegmatites from Ra Chu in the Mount Qomolangma region and its implications for studying rare -metal mineralization in the Himalayan orogen.ACTA PETROLOGICA SINICA,37(11),3295-3304.
MLA Liu XiaoChi,et al."Discovery of spodumenebearing pegmatites from Ra Chu in the Mount Qomolangma region and its implications for studying rare -metal mineralization in the Himalayan orogen".ACTA PETROLOGICA SINICA 37.11(2021):3295-3304.
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