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Lithium mineralization in Qomolangma: First report of elbaitelepidolite subtype pegmatite in the Himalaya leucogranite belt
Liu Chen1; Wang RuCheng1; Wu FuYuan2,3; Xie Lei1; Liu XiaoChi2
2021-11-01
Source PublicationACTA PETROLOGICA SINICA
ISSN1000-0569
Volume37Issue:11Pages:3287-U44
AbstractThe Himalaya leucogranite belt is evaluated as a prospect for rare -metal mineralization. The Mount Qomolangma is located in the middle part of this leucogranite belt, where a large number of leucogranites and pegmatites occurred as the important components of the Qomolangma orogenic area. Recently, Li -mineralized pegmatites have been recognized and sampled in Hermit Gorge where the light brown red zinnwaldite can be clearly identified in the pegmatite specimens. Further geochemistry and mineralogy study show that these Li mineralized pegmatites have been identified as the elbaite-lepidolite subtype, which are characterized with high contents of rare -metal elements ( Be-Nb-Li), high Rb/Sr ratio, and low Zr/Hf and Nb/Ta ratios. All the mineralogical and geochemical features indicate that these pegmatites have experienced a high degree of magma fractionation. In terms of mineral chemistry, micas have evolved from zinnwaldite to lepidolite, and tourmalines from schorl to elbaite, and the contents of Fe and Mg in them decreased, while the Li content increased, which is indicative of the evolution process of magma. It is the first found Li mineralization in the Qomolangma area, and the striking first report of the occurrence of elbaite-lepidolite subtype pegmatite in Himalaya. Combined with the recent researches of spodumene-petalite subtype pegmatites around Mount Qomolangma ( Pusila, Rachu), the Qomolangma region is probably a crucial Li mineralization prospect in China.
KeywordHimalaya Qomolangma Li mineralization Elbaite-lepidolite subtype pegmatite
DOI10.18654/1000-0569/2021.11.03
WOS KeywordINGERSOLL,BOB PEGMATITE ; TETHYAN HIMALAYA ; TANCO PEGMATITE ; BERNIC LAKE ; BLACK-HILLS ; EVOLUTION ; CLASSIFICATION ; PETROGENESIS ; TOURMALINE ; MANITOBA
Language英语
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000747486100003
PublisherSCIENCE PRESS
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Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/104914
Collection岩石圈演化国家重点实验室
Corresponding AuthorWang RuCheng
Affiliation1.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210023, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu Chen,Wang RuCheng,Wu FuYuan,et al. Lithium mineralization in Qomolangma: First report of elbaitelepidolite subtype pegmatite in the Himalaya leucogranite belt[J]. ACTA PETROLOGICA SINICA,2021,37(11):3287-U44.
APA Liu Chen,Wang RuCheng,Wu FuYuan,Xie Lei,&Liu XiaoChi.(2021).Lithium mineralization in Qomolangma: First report of elbaitelepidolite subtype pegmatite in the Himalaya leucogranite belt.ACTA PETROLOGICA SINICA,37(11),3287-U44.
MLA Liu Chen,et al."Lithium mineralization in Qomolangma: First report of elbaitelepidolite subtype pegmatite in the Himalaya leucogranite belt".ACTA PETROLOGICA SINICA 37.11(2021):3287-U44.
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