CRATON

作品数:163被引量:1391H指数:20
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相关机构:中国科学院中国科学院研究生院中国地震局中国地质大学(北京)更多>>
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Major,trace element and Sr-Nd isotope evidence for a sublithospheric mantle source for the Umkondo large igneous province
《Geoscience Frontiers》2024年第1期263-285,共23页Ben Hayes Lewis D.Ashwal Khulekani B.Khumalo Linda M.Iaccheri 
The Mesoproterozoic(1.11 Ga)Umkondo large igneous province(LIP)in southern Africa and Antarctica was emplaced in<5 Myr and is dominated by low-Ti tholeiitic doleritic-gabbroic sills.It is of particular interest becaus...
关键词:Umkondo large igneous province Low-Ti magma Continental tholeiites Sublithospheric mantle sources Kalahari craton RODINIA 
Evolution of the 3.65-2.58 Ga Mairi Gneiss Complex,Brazil:Implications for growth of the continental crust in the São Francisco Craton被引量:1
《Geoscience Frontiers》2022年第5期110-128,共19页Igor de Camargo Moreira Elson Paiva Oliveira Daniel Francisco Martins de Sousa 
funded by the Fundação de AmparoàPesquisa do Estado de São Paulo(FAPESP)Grant(#2012/15824-6and#2018/25465-0 to EPO);the Conselho Nacional de Desenvolvimento Científico e Tecnológico(CNPq)Grant(#305099/2019-1 to EPO);the Institute of Geosciences of the University of Campinas and by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior(CAPES)PhD Scholarship(#001)to the senior author。
The composition and formation of the Earth’s primitive continental crust and mantle differentiation are key issues to understand and reconstruct the geodynamic terrestrial evolution,especially during the Archean.Howe...
关键词:São Francisco Craton Mairi Gneiss Complex Primitive continental crust Zircon U-Pb dating Lu-Hf isotope geochemistry 
Unraveling one billion years of geological evolution of the southeastern Amazonia Craton from detrital zircon analyses
《Geoscience Frontiers》2022年第5期129-152,共24页Camille Rossignol Paul Yves Jean Antonio Francesco Narduzzi Eric Siciliano Rego Lívia Teixeira Romário Almeida de Souza Janaína N.Ávila Marco A.L.Silva Cristiano Lana Ricardo I.F.Trindade Pascal Philippot 
funded by grants of the Fundação AmparoàPesquisa do Estado de São Paulo(FAPESP;2015/16235-2,2017/18840-6,2018/02645-2,2018/14617-3,2018/05892-0,2019/17732-0,2019/16066-7 and 2019/12132-5);the Conselho Nacional de Desenvolvimento Científico e Tecnológico(CNPq;308045/2013-0 and 307353/2019-2);the Fundação AmparoàPesquisa do Minas Gerais(FAPEMIG project APQ-03793-16)。
Despite representing one of the largest cratons on Earth,the early geological evolution of the Amazonia Craton remains poorly known due to relatively poor exposure and because younger metamorphic and tectonic events h...
关键词:Carajás Basin Chemical Abrasion–LA-ICP-MS analyses Age distribution comparison Parauapebas Large Igneous Province Transamazonian orogeny 
Paleo-and Mesoarchean TTG-sanukitoid to high-K granite cycles in the southern São Francisco craton,SE Brazil
《Geoscience Frontiers》2022年第5期153-168,共16页Claudio de Morisson Valeriano Caio Vinicius Gabrig Turbay Henrique Bruno Antonio Simonetti Monica Heilbron Samuel Moreira Bersan Rob Strachan 
support from the PRONAGEO mapping program of the CPRM(Brazilian Geological Service);funding to CMV and MH respectively。
The generation of the continental crust is widely accepted to have taken place predominantly in the Archean,when TTG magmatism associated with greenstone-belt supracrustal succession development was typically followed...
关键词:Crustal evolution Sm–Nd Lu–Hf LA-ICPMS zircon U–Pb 
Chemical-Abrasion U-Pb zircon geochronology reveals 150 Myr of partial melting events in the Archean crust of the São Francisco Craton
《Geoscience Frontiers》2022年第5期169-189,共21页Lorena Martins Cristiano Lana Ariela Mazoz Tiago Novo 
financial support from the CNPq(National Council for Scientific and Technological Development)under grant 141707/2016-0 to Lorena Martins;financial support provided by CNPq awarded to Cristiano Lana。
Field observations and CA-LA-ICP-MS U–Pb zircon ages and Hf isotope compositions obtained from migmatitic orthogneisses and granitoids from the Belo Horizonte Complex,southern São Francisco Craton,indicate a major pe...
关键词:ARCHEAN São Francisco Craton Crustal reworking U-Pb geochronology Lu-Hf isotopes 
The Paleoarchean Northern Mundo Novo Greenstone Belt,São Francisco Craton:Geochemistry,U-Pb-Hf-O in zircon and pyriteδ^(34)S-Δ^(33)S-Δ^(36)S signatures
《Geoscience Frontiers》2022年第5期190-206,共17页Guilherme S.Teles Farid Chemale Jr. Janaína N.Ávila Trevor R.Ireland 
the Brazilian National Council for Scientific and Technological Development(CNPq)for financial support(grants 163459/2013-4 and 202267/2014-8 for G.S Teles and 305053/2014-0 for F.Chemale Jr.);the Australian Research Council(ARC)(grant DP140103393 for T.R.Ireland)。
Greenstone belts contain several clues about the evolutionary history of primitive Earth.Here,we describe the volcano-sedimentary rock association exposed along the eastern margin of the Gavião Block,named the Norther...
关键词:Northern Mundo Novo Greenstone Belt Multiple sulfur isotopes GEOCHRONOLOGY Paleoarchean Gavião Block São Francisco Craton 
Neoarchean atmospheric chemistry and the preservation of S-MIF in sediments from the São Francisco Craton被引量:1
《Geoscience Frontiers》2022年第5期207-226,共20页Alice Bosco-Santos William Patrick Gilhooly Ⅲ Paola de Melo-Silva Fotios Fouskas Amaury Bouyon João Gabriel Motta Mauricio Rigoni Baldim Wendell Fabricio-Silva Pascal Philippot Elson Paiva Oliveira 
São Paulo Research Foundation(FAPESP grants2016/02933-2 to ABS,12/15824-6 to EPO and 2015/16235-2 to PP);the Agouron Institute(to WPG)for financial support。
Sulfur mass-independent fractionation(S-MIF)preserved in Archean sedimentary pyrite is interpreted to reflect atmospheric chemistry.Small ranges in Δ^(33)S that expanded into larger fractionations leading up to the G...
关键词:S-MIF preservation Archean atmospheric chemistry GOE São Francisco Craton 
U-Pb provenance fingerprints of metavolcanic-sedimentary successions of the Mineiro belt:Proxies for the continuity of plate tectonics through the Paleoproterozoic
《Geoscience Frontiers》2022年第5期309-335,共27页W.Teixeira C.A.Ávila I.A.Dussin E.Bongiolo 
support of the Geochronological Research Center(CPGeo)of the University of São Paulo,Brazil;the São Paulo State Research Foundation–FAPESP(2004/15295-7 and 2009/53818-5);the National Council of Technological and Scientific Development–CNPq(5092018/Edital Universal)provided partial funding of the research;the Rio de Janeiro State Research Foundation(FAPERJ)for financial support。
We document new U-Pb detrital zircon LA-MC-ICP-MS data for seven metavolcanic-sedimentary successions and metasedimentary sequences and reassess additional dates of five siliciclastic samples toward their tectonic sig...
关键词:PALEOPROTEROZOIC São Francisco Craton Detrital zircon geochronology Metavolcanic-sedimentary basin 
2.0 Ga orogenic graphite deposits and associated 13C-enriched meta-carbonate rocks from South China Craton:Implications for global Lomagundi event被引量:3
《Geoscience Frontiers》2022年第4期181-192,共12页Yihe Li Madhusoodhan Satish-Kumar Sasidharan Kiran Chuanhui Wan Jianping Zheng 
financial support from National Natural Science Foundation of China(41802200);Natural Science Foundation of Hubei Province(2020CFB863);China Scholarship Council(201906415017);China University of Geosciences Wuhan(CUGQY1938);the partial support through JSPS KAKENHI Grant Numbers JP15H05831 and 20KK0081;a PhD scholarship support from Niigata University;financial support from National Natural Science Foundation of China(41520104003);China University of Geosciences Wuhan(CUGCJ1709)。
The Lomagundi(-Jatuli)event,characterized by extremely high positive global inorganic carbon isotope excursion at about 2.2 billion years ago,is pivotal in investigating the causes and consequences of great oxygenatio...
关键词:Positive carbon isotope excursion Lomagundi(-Jatuli)event Kongling Complex South China Craton Marine carbonate 
Metallogenic‘factories’and resultant highly anomalous mineral endowment on the craton margins of China被引量:8
《Geoscience Frontiers》2022年第2期1-20,共20页Li-Qiang Yang Jun Deng David I.Groves M.Santosh Wen-Yan He Nan Li Liang Zhang Rui-Rui Zhang Hong-Rui Zhang 
partly funded by the National Key Research Program of China(2019YFA0708603);the National Natural Science Foundation of China(42130801,41230311,41572069,41702070);the 111 Project of the Ministry of Science and Technology,China(BP0719021);the MOST Special Fund from the State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences(MSFGPMR201804);the Key Laboratory of Gold Mineralization Processes and Resource Utilization Subordinated to the Ministry of Natural Resources and Key Laboratory of Metallogenic Geological Process and Resources Utilization in Shandong Province,Shandong Institute of Geological Sciences(KFKT201801,KFKT201802)。
The current margins of the North China and Yangtze Cratons provide arguably the best examples globally of anomalously high mineral endowment within a 100 km buffer zone,hosting 66 diverse world-class to giant ore syst...
关键词:Craton margin Ore deposits Geodynamic setting Fertile mantle lithosphere Mineral exploration 
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