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Petrographic, Mineralogical and Geochemical Characterization of the Boundou-Waadé Bauxite Deposit (Sangaredi, Republic of Guinea): 《Journal of Geoscience and Environment Protection》2024年第12期28-45,共18页Chontcheihon Virginie Traoré Mohamed Samuel Moriah Conté Daouda Keita Abdoulaye Kadiatou Diallo Mamoudou Diallo Mamoudou Conde; The demand for useful ores has been growing steadily, especially since there is increasing interest in bauxite ores. This growing demand is prompting researchers to justify a large number of research projects on bauxi...; 关键词：Bauxites Aleuro-Argillite DOLERITE GIBBSITE

Tectonic Style Associated with the Doleritic Dykes of the Téra-Ayorou Pluton (Liptako, Western Niger): 《International Journal of Geosciences》2024年第8期567-581,共15页Kamayé Tourba Gambo Ranaou Noura Abdou Dodo Bohari Karimou Dia Hantchi Mallam Mamane Hallarou Hassane Ibrahim Maharou Yacouba Ahmed Moussa Konaté; The doleritic dykes present in the Téra-Ayorou pluton crosscut the basement of the Nigerien Liptako and are part of the system of intrusive mafic dykes in the Paleoproterozoic domain of the Léo-Man ridge. In the pre...; 关键词：Dolerite Dykes Associated Structures Deformation Phases North Liptako NIGER

Early Cretaceous Metasomatized Lithospheric Mantle beneath the Central Jiangnan Orogen in South China:Geochemical and Sr-Nd Isotope Evidence from the Tuanshanbei Dolerite: 《Acta Geologica Sinica(English Edition)》2024年第3期602-616,共15页WANG Cheng WEI Hantao LIU Qingquan YANG Zhao; financially supported by the National Natural Science Foundation of China(Grant Nos.42302235,41830211,42272100);Fundamental Research Funds for the Central Universities,Sun Yat-sen University(Grant No.23ptpy143)。; It is well established that Cretaceous magmatism in the South China Block(SCB)is related to the Paleo-Pacific subduction.However,the starting time and the associated deep crust-mantle processes are still debatable.Maf...; 关键词：Early Cretaceous mafic dike metasomatized lithospheric mantle Tuanshanbei dolerite Jiangnan Orogen South China

Microdiamonds in Alkalic Dolerites from the North China Craton: 《宝石和宝石学杂志（中英文）》2024年第S01期40-42,共3页Yitao Cai Fei Liu Kan Li Long Li Jingsui Yang; 江苏省自然科学基金项目(编号BK20191132);国家自然科学基金青年基金项目(编号41402075);国家留学基金委(编号201908575036)联合资助。; Diamonds on the Earth mainly occur in volcanic rocks such as kimberlites and lamproites^([1-8]),but can also be found in ultrahigh-pressure metamorphic rocks^([9-10]),meteorites^([11])and alluvial deposits^([12]).In r...; 关键词：microdiamond FTIR carbon isotopic alkalic dolerite North China Craton

Petrological and Statistical Studies of the Limbiko Bauxite Deposit, Republic of Guinea: 《International Journal of Geosciences》2023年第4期351-376,共26页Abdoulaye Kadiatou Diallo Mohamed Samuel Moriah Conte Oumar Barou Kaba Aly Soumah Mohamed Camara; The increasing demand for Aluminium pushes the miners to multiply the research in order to answer this demand. The objective of this work is to characterize the bauxitic deposit of Limbiko. The methodology consists in...; 关键词：BAUXITE Alteration Crust Aleuro-Argillite DOLERITE GIBBSITE

Understanding Durability Problems with Dolerite in Roads in South Africa: 《World Journal of Engineering and Technology》2022年第3期574-592,共19页Akhona Futshane Philip Paige-Green Joseph K. Anochie-Boateng; Dolerite is one of the most widely used road pavement construction materials in South Africa and is classified as a basic crystalline rock. The variable performance of road pavements constructed with such rocks in Sou...; 关键词：DOLERITE Crushed Stone Road Pavement CLIMATE DETERIORATION Performance

Petrology and geochemical framework of dolerites dykes of Temte, North Cameroon, Central Africa: 《Acta Geochimica》2021年第3期287-299,共13页M.Mey Atour J.M.Bardintzeff A.Fagny Mefire O.F.Nkouandou R.Tchameni A.Dinamou; "Agence Universitaire de la Francophonie (AUF)" through the BAGL (Bureau Afrique Centrale et des Grands Lacs) for financial support of Le Projet de soutien aux équipes de recherche 2012/2013 (No 51110SU201) for supplement analyses;"Laboratoire GEOPS" of the University Paris-Saclay is thanked for financial support of thin sections and electron microprobe analyses。; The Temtebasement in North Cameroon is crosscut by dyke swarms with N 20°–40°trending,including dykes 15–30 m wide,up to 3 km-long.Representative rocks exhibit intersertal to sub-ophitic textures.Electron micropro...; 关键词：DOLERITE DYKE Temte Poli Cameroon Central Pan-African Fold Belt

Zircon U-Pb geochronology,whole-rock geochemical,and Sr-Nd-Pb isotopic constraints on the timing and origin of Permian and Triassic mafic dykes from eastern North China Craton: 《Acta Geochimica》2020年第6期862-886,共25页Shen Liu Caixia Feng Yan Fan Xiaoqing Chen Yuhong Yang Huibo Zhao Ian MCoulson; This work reports an important episode of extensional,mafic magmatism that impacted the North China Craton(NCC)during the Permo-Triassic and influenced the evolution of this Craton.We sampled 30 representative mafic d...; 关键词：PERMO-TRIASSIC DOLERITE ORIGIN NCC Siberian block

Appraisal of Crustal Contamination in Southern Bastar Mafic Dykes in Chattisgarh, India: 《Open Journal of Geology》2019年第13期988-1003,共16页Rahul Verma; The present work is an attempt to assess the effect of crustal contamination through the Granitoids host rock, within the southern Bastar mafic dykes of Chhattisgarh, India, in the light of geochemical characteristics...; 关键词：CRUSTAL Contamination DOLERITE AMPHIBOLITE GRANITE Spidergram REE

Chemical and Sr-Nd compositions and ^(40)Ar/^(39)Ar ages of NW-trending dolerite dikes of Burkina Faso: Evidence for a Mesoproterozoic magmatism in the West African Craton: 《Geoscience Frontiers》2018年第6期1957-1980,共24页Boukare Tapsoba Ching-Hua Lo Urbain Wenmenga Yoshiyuki Iizuka Sun-Lin Chung Gregory Shellnutt; financially supported by research grant from the National Science Council(NSC 102-2811-M-002-200);the Ministry of Science and Technology grant(MOST 106-2116-M-002-017-MY3); The Paleoproterozoic basement of the northeastern part of the Leo-Man craton is intruded by generally NW-trending dikes. These regional scale dikes extend over 1000 km in Burkina Faso, Mali and Niger. We present chemi...; 关键词：MAFIC dike swarm Depleted mantle MESOPROTEROZOIC Continental THOLEIITES Nuna West African Craton

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