云南高校图书馆联盟文献共享服务平台- PEGMATITES

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Lithium Isotopic Fractionation in Minerals from Pegmatites:Perspective of Crystal Chemistry: 《Journal of Earth Science》2024年第6期1895-1901,共7页Shan-Ke Liu Ben-Xun Su; financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program(STEP)(No.2019QZKK0802)。; Lack of information regarding lithium(Li)crystal chemistry in numerous minerals,especially those containing trace amounts of Li(ranging from a few to tens of ppm),limits our understanding of Li isotopic fractionation ...; 关键词：Li isotopic fractionation Li content bond length PEGMATITE crystal chemistry MINERALS

Genesis of LCT Pegmatites during Early Paleozoic Orogeny of the North Qinling Orogenic Belt,China:Emplacement Conditions and Structural Control被引量：1: 《Acta Geologica Sinica(English Edition)》2024年第5期1226-1243,共18页CEN Jubiao FENG Yonggang LIANG Ting WANG Mengxi ZHANG Jianxin TAN Xijuan ZHANG Jie GAO Jinggang HE Lei; supported by the National Key R&D Program of China(Grant Nos.2021YFC2901902 and 2019YFC0605202)。; The Guanpo pegmatite field in the North Qinling orogenic belt(NQB),China,hosts the most abundant LCT pegmatites.However,their emplacement conditions and structural control remain unexplored.In this contribution,we inv...; 关键词：LCT pegmatite emplacement mechanism emplacement condition oxygen isotope geothermometry fluid inclusion North Qinling orogenic belt

Rare-Element Pegmatites Rocks Rich and Li of the Aïr Massif of the Tchirozerine: Mineralogy and Chemical Composition Agadez Region-Northem Niger: 《Open Journal of Applied Sciences》2024年第1期171-181,共11页Ntoumbé Mama Hamza Bassara Amaya Adama Awona Paul Zéphyrin Nomenjanahary Limbisoa; The lithium potential in the Aïr massif is represented by mineral index of spodumene pegmatites and, lepidolite pegmatites. The mineral deposits of lithium occur in cluster or veins that cut the host rock or are locat...; 关键词：PEGMATITE Lithium Rare Elements Hydrothermal Processes Aïr Massif

Genesis of the Jiajika superlarge lithium deposit,Sichuan,China:constraints from He–Ar–H–O isotopes: 《Acta Geochimica》2023年第3期517-534,共18页Tao Liu Hai Wang Shihong Tian Denghong Wang Xianfang Li Xiaofang Fu Xuefeng Hao Yujie Zhang Kejun Hou; financially supported by grants from the National Key Research and Development Project of China(2021YFC2901903 and 2017YFC0602705);the Jiangxi Province(2020101003);the East China University of Technology(1410000874)。; The Jiajika granitic-and pegmatite-type lithium deposit,which is in the Songpan-Garze Orogenic Belt in western Sichuan Province,China,is the largest in Asia.Previous studies have examined the geochemistry and mineralo...; 关键词：He–Ar–H–O isotopes Magmatic-hydrothermal fluids Common pegmatites Spodumene pegmatites Jiajika superlarge lithium deposit SICHUAN

Lithium-bearing Pegmatite Exploration in Western Altun,Xinjiang,using Remote-Sensing Technology被引量：4: 《Acta Geologica Sinica(English Edition)》2023年第2期681-694,共14页JIANG Qi DAI Jingjing WANG Denghong WANG Chenghui TIAN Shufang; supported by the National Key Research and Development Program of the China Geological Survey(DD20190173);the Fundamental Research Funds for the Institute of Mineral Resources,the Chinese Academy of Geological Sciences(KK2102);the National Natural Science Foundation of China(42172332);the Chinese Geological Survey Project(DD20190379)。; Western Altun in Xinjiang is an important area,where lithium(Li)-bearing pegmatites have been found in recent years.However,the complex terrain and harsh environment of western Altun exacerbates in prospecting for Li-...; 关键词：remote sensing prospecting multi-class machine learning Li-bearing pegmatites western Altun

Geochemical Characterization of Mineralized Pegmatites around Wowyen Areas,Akwanga,Northcentral Nigeria被引量：1: 《Advances in Geological and Geotechnical Engineering Research》2022年第1期37-48,共12页Anthony Chukwu; This study aims to account for the petrogenesis and mineralization of pegmatites around the Wowyen area,northcentral basement complex,Nigeria.Field studies,petrography and whole rock geochemistry(Major oxides were est...; 关键词：Rare-metal pegamatites GEOCHEMISTRY Basement complex Pan-African events Wowyen

Neoproterozoic U-Th-REE-bearing Pegmatites in Wadi Ibib, South Eastern Desert, Egypt: Structural and Geochemical Measures for a Syn-Tectonic Anatectic Model of Formation: 《Acta Geologica Sinica(English Edition)》2021年第6期2045-2062,共18页Waleed S.IBRAHIM; supported by a research cooperation(Grant No.3TE1107T)between Kyushu University,Japan and the Egyptian Nuclear Materials Authority(NMA)。; The Wadi Ibib area is situated in the northern part of the Neoproterozoic Hamisana Shear Zone(HSZ), which is a high strain zone evolved during the late stages of the Pan-African orogeny, likely as a tectonic escape st...; 关键词：U-Th-REE mineralization anataxis pegmatite origin Hamisana Shear Zone Wadi Ibib EGYPT

Geology and Mineral Chemistry of Uranium-and Thorium-bearing Minerals in Rare-Metal(NYF)Pegmatites of Um Solimate,South Eastern Desert,Egypt: 《Acta Geologica Sinica(English Edition)》2021年第5期1568-1582,共15页Mohamed A.ALI Ahmed E.ABDEL GAWAD Mohamed M.GHONEIM; The garnet muscovite granitic pegmatite of Um Solimate,in southern Egypt,represents a promising asset for strategic and economic metals,especially Bi-Ni-Ag-Nb-Ta as well as U and Th.The ore bodies occur as large masse...; 关键词：radioactivity rare-metal mineralization PEGMATITES U/Th-bearing minerals Um Solimate EGYPT

Petrological and Geochemical Studies of Lepidolite (LCT Type) and Non-Lepidolite Pegmatite’s from Chakrasila, Dhubri District, Assam, North East India被引量：1: 《Open Journal of Geology》2021年第3期81-104,共24页Rajkumar R. Meshram Bhupender Singh Mukesh Kumar Mishra H. Hrushikesh Alam Siddiqui Devaseesh Shukla Rafique Akhtar Tushar M. Meshram; Lepidolite pegmatite occurs as intrusive within biotite gneiss and amphibolite of Assam Meghalaya Gneissic Complex (AMGC) or Precambrian Gneissic Complex in the Dhubri district, Assam. AMGC is the north western extens...; 关键词：LEPIDOLITE LCT XRD Per-Aluminous Fractionations AMGC and Shillong Plateau

Neoproterozoic Rare Element Pegmatites from Gitarama and Gatumba Areas, Rwanda: Understanding Their Nb-Ta and Sn Mineralisation: 《Open Journal of Geology》2019年第13期1069-1083,共15页Jean de Dieu Ndikumana Anthony Temidayo Bolarinwa Gabriel Oladapo Adeyemi; The aim of this work was to study the petrography, geochemistry of the pegmatites, their relationship to the mineralisation in Gitarama and Gatumba areas, and current processes that occurred after the primary emplaced...; 关键词：PEGMATITES PETROGRAPHY GEOCHEMISTRY Gitarama Gatumba

PEGMATITES