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Zircon U-Pb geochronologic,geochemical and Sr-Nd-Pb isotope characteristics of the Beidaban granites in the North Qilian Orogenic Belt:Petrogenesis and tectonic implications: 《Acta Geochimica》2024年第6期1087-1104,共18页Tao Yang Zhi-yuan Sun Ming-liang Wang Xiao-qiang Zhu Jing-yu Zhao; This study was fi nancially supported by the Youth Science and Technology Talent Recruitment Project of Gansu Province(2022-19);Technological Innovation Project of Gansu Provincial Department of Natural Resources(2022-3,2022-4,2022-28);National Natural Science Foundation of China(Nos.42073059 and 42303034);Outstanding Youth Fund of Anhui Provincial Department of Education(No.2022AH020084);Doctoral Startup Foundation of Suzhou University(2021BSK038)。; The tectonic evolution and crustal accretion process of the North Qilian Orogenic Belt(NQOB)are still under debate because of a lack of integrated constraints,especially the identifi cation of the tectonic transition ...; 关键词：GRANITOIDS Zircon U-Pb dating Sr-Nd-Pb-isotopes PETROGENESIS North Qilian Orogenic Belt

Petrographic and Geochemical Characters of Granites of the Banfora Belt, Burkina Faso (West Africa): 《International Journal of Geosciences》2024年第9期682-697,共16页Abdoulaye Ouedraogo Seta Naba Hermann Ilboudo; The Banfora’s birimian greenstones belt is located in the western part of Burkina Faso (west Africa). Recent petrographic and lithogeochemical studies have highlighted plutons intruding the metasedimentary and metavo...; 关键词：Burkina Faso Banfora Greenstones Belt PLUTONS Geodynamic Context SUBDUCTION

Geochemistry of Micas from Issia Granite Complexe: A Marker of Geodynamic Evolution: 《Open Journal of Geology》2024年第8期787-804,共18页Koffi Joseph Brou Alain Nicaise Kouamelan Koffi Raoul Teha; The granites and pegmatites located in the southern part of the Issia region, near the columbo-tantaliferous placers, are characterized by the presence of rare metals such as beryl, lithium and Nb-Ta oxides. They main...; 关键词：G3 Granites Peraluminous Granites Rare Metals Fractional Crystallization

Geochemistry and Zircon U-Pb and Hf Isotopes of Early Devonian Hardawu Granites in the Eastern Segment of the Ultrahigh-Pressure Metamorphic Belt, Northern Qaidam Basin: 《Journal of Earth Science》2024年第3期866-877,共12页Hua Li Ming Wang Jiqing Li Haikui Tong Jiaxiang Dong Minggang Tian Xiaolin Chen Leguang Li Ting Xie Xiong Li Yuying Che; supported by the Qinghai Provincial Geological Exploration Fund Project (Nos. 2019048001ky001, 2021074002ky002, 2023085029ky004);the Western Light Talent Program of China; The Hardawu granites in the eastern segment of the ultrahigh-pressure metamorphic belt,the northern Qaidam Basin,were studied by whole-rock major and trace elements and in-situ zircon U-Pb geochronology and Hf isotope...; 关键词：GRANITE Early Devonian PETROGENESIS tectonic implication Qaidam Basin GEOCHEMISTRY

Source of metals related to gold occurrences in Cameroon, Central African Belt: 《Acta Geochimica》2024年第2期308-324,共17页Kevin Igor Azeuda Ndonfack Jinlin Zhang Yuling Xie NSamiratou Yaya Emmanuel Archelaus Afanga Basua; funded by the Ministry of Science and Technology of the People’s Republic of China(State Key Research Plan,No.2017YFC0601302).; Suites of granitic and metamorphic rocks form a perfect geological environment in which to investigate the source of metals related to gold deposits.In the East Province of Cameroon,the source of metals-related gold(g...; 关键词：East Province of Cameroon Metamorphic rocks GRANITES Oxide–sulﬁdes Metal and gold GEOCHEMISTRY

Spatial-temporal distribution and geochemistry of highly evolved Mesozoic granites in Great Xing’an Range,NE China:Discriminant criteria and geological significance: 《Global Geology》2024年第1期20-34,共15页WU Haoran YANG Hao GE Wenchun JI Zheng DONG Yu JING Yan JING Jiahao; Supported by projects of the National Natural Science Foundation of China(Nos.92062216,41888101).; Highly evolved granite is an important sign of the mature continent crust and closely associated with deposits of rare metals.In this work,the authors undertake systematically zircon U-Pb ages and whole rock elemental...; 关键词：highly evolved granite Great Xing’an Range spatial-temporal distribution extensional environment

Numerical simulation of formation mechanism of unloading joints in granitic pluton: 《Global Geology》2024年第1期35-42,共8页JIA Zhenyang LI Gang FENG Fan; The Beishan pluton in Gansu of China was selected as the simulated model.The simulation results indicate that the formation of unloading joints in granite is mainly influenced by the unloading rate of confin-ing press...; 关键词：GRANITES ROCKBURST underloading joints numerical modeling

Geochemistry and mineral chemistry of the armoor granitoids,eastern dharwar craton: implications for the redox conditions and tectono-magmatic environment: 《Acta Geochimica》2024年第1期110-133,共24页A.Ajay Kumar Ch.Ashok; The mineralogical and geochemical characteristics of the K-rich granites from the Armoor granitic rocks in the northeastern portion of the Eastern Dharwar Craton(EDC) are presented.In order to understand its physicoch...; 关键词：Armoor granites Oxygen fugacity Crystal accumulation REMELTING SUBDUCTION

The late Early-Paleozoic granitic magmatism in Northwestern Fujian, China: constraints on intraplate orogeny in the South China block: 《Acta Geochimica》2024年第1期134-149,共16页WanLi Gao ZongXiu Wang; supported by the National Natural Science Foundation of China (No.41702204);the Central Fundamental Research (grant number DZLXJK201504);the Major State Research Development Program of China (grant number 2016YFC0600202)。; The Early Paleozoic tectono-thermal event was a significant orogenic activity during the Phanerozoic era,which had a profound impact on the early crust of the South China Block(SCB) and established the foundation for ...; 关键词：Late Early-Paleozoic GRANITES Intraplate orogeny Cathysian block Zircon U-Pb-Hf Isotopic composition

Cu-Bearing Mokama Granite Prospect of the Kibara Belt in the Maniema Province, DRC: A Preliminary Petrography, Geochemistry, and Fluid Inclusion Study: 《Open Journal of Geology》2023年第10期1007-1023,共17页Douxdoux Kumakele Makutu Ivan Bongwe Chris Musomo Mfumu Frederick Makoka Mwanza Jean-Pierre Bulambo Pierre Kambuli Kaseti; The Mokama granites are located in the Kibara belt (KIB) and hosts tin oxide group minerals (TOGM: Sn-W), and sulfide group minerals (SGM: Cu-Zn-Fe-As). The essential of Cu mineralization (non-economic deposit) is dis...; 关键词：Mokama Granites PETROGRAPHY GEOCHEMISTRY Cu-Mineralization XRF EPMA LA-ICP-MS Fluid Inclusion Microthermometry

GRANITES