PALEOPROTEROZOIC

作品数：129被引量：806H指数：17
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相关机构：中国科学院中国科学院大学朝鲜国家科学院福州大学更多>>
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Breakup of the Neoarchean supercontinent Kenorland:Evidence from zircon and baddeleyite U-Pb ages of LIP-related mafic dykes in the Coorg Block,southern India
《Geoscience Frontiers》2024年第4期97-114,共18页Cheng-Xue Yang M.Santosh Jarred Lloyd Stijn Glorie Y.Anilkumar K.S.Anoop Pin Gao Sung-Won Kim 
supported by Foreign Expert grant from China University of Geosciences Beijing,China and Professorial Fellow Research Grant from University of Adelaide,Australia to M.Santosh;It was also partially supported by the Basic Research Project(GP2020-003,Geological survey in the Korean Peninsula and publication of the geological maps)of Korea Institute of Geoscience and Mineral Resources(KIGAM);funded by the Ministry of Science,ICT(Information,Communication,and Technology);Future Planning,Korea.SG was supported by an Australian Research Council Future Fellowship(FT210100906)。
The Coorg Block in southern Peninsular India is one of the oldest crustal blocks on Earth that preserves the evidence for continental crust formation during the Paleo-Mesoarchean through subductionrelated arc magmatis...
关键词：Mafic dyke swarm Paleoproterozoic Large Igneous Province Geochronology Continental rifting Neoarchean supercontinent 
Depositional condition of Paleoproterozoic Francevillian carbonate rocks revisited from rare earth element contents
《Geoscience Frontiers》2024年第3期31-49,共19页Satoshi Yoshida Karen Bakakas Mayika Yuki Ishihara Mathieu Moussavou Hisashi Asanuma Tomohiko Sato Takafumi Hirata Cédric Ligna Yusuke Sawaki Amboise Edou-Minko 
Shoko Science Co.Ltd.This work was partly supported by a grant from the Ministry of Education,Culture,Sports,Science and Technology,Japan(No.17H04858,19H01081,19K14828,20H01991,23K13205);the Fukada Grant-in-Aid(2021)of Fukada Geological Institute(No.135).
The Paleoproterozoic Francevillian Group in the eastern Gabonese Republic has been recently attracting increasing attention because it includes distinctive macroscopic structures interpreted as eukaryotic fossils.Ther...
关键词：Carbonate diagenesis Francevillian Group LA-ICP-MS Seawater composition Y/Ho fractionation 
The Colíder Paleoproterozoic felsic volcanism:New insights into stratigraphy and petrogenesis in the southern Amazonian Craton
《Geoscience Frontiers》2024年第2期274-303,共30页André Massanobu Ueno Kunifoshita Felipe Holanda dos Santos Maria JoséMesquita 
The eastern side of Alta Floresta Mineral Province(AFMP)(União do Norte region)comprises an effusive/-subvolcanic phase,explosive phase,and epiclastic rocks.The effusive/subvolcanic phase comprises massive porphyritic...
关键词：Paleoproterozoic volcanism Eroded volcanic caldera Lithofacies analysis Colíder Group Amazonian Craton 
The Orosirian(1800–2050 Ma)plate tectonic episode:Key for reconstructing the Proterozoic tectonic record
《Geoscience Frontiers》2023年第3期1-9,共9页Robert J.Stern 
Eight lines of evidence indicate that the Orosirian Period in mid-Paleoproterozoic time was characterized by plate tectonics:ophiolites,low T/P metamorphism including eclogites,passive margin formation,tall mountains,...
关键词：Plate tectonics Single lid tectonics Urey ratio PALEOPROTEROZOIC 
A perspective on potassic and ultrapotassic rocks:Constraints on the Paleoproterozoic late to post-collisional event in the São Francisco paleocontinent被引量：1
《Geoscience Frontiers》2022年第5期242-266,共25页Samuel Moreira Bersan AndréDanderfer Craig Storey Henrique Bruno Hugo Moreira Francisco Abreu Cristiano Lana Leonardo Gonçalves Isabela Nahas 
financial support provided by FAPEMIG(CRAAPQ-00125-12);the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior(CAPES);by granting a PhD scholarship to S.M.Bersan(process n°88881.188438/2018-01 of PDSE program n°47/2017);granted a Fapemig scientific initiation scholarship(process PIBIC/Fapemig/UFOP N10/2017)。
The late-to post-collisional stage in orogenic systems is characterized by the coeval existence of bimodal potassic to ultrapotassic magmatic activity related to partial melting of an enriched lithospheric mantle toge...
关键词：Late-to post-collisional Potassic-ultrapotassic rocks U–Pb dating São Francisco paleocontinent Rhyacian-Orosirian orogenic system 
Isotopic and geochemical constraints for a Paleoproterozoic accretionary orogen in the Borborema Province,NE Brazil:Implications for reconstructing Nuna/Columbia
《Geoscience Frontiers》2022年第5期267-285,共19页Lauro Cézar M.de Lira Santos Geysson A.Lages Fabrício A.Caxito Elton L.Dantas Peter A.Cawood Haroldo M.Lima Felipe Jda Cruz Lima 
support from Australian Research Council grant FL160100168;supported by the National Institute of Science and Technology for Tectonic Studies(INCT)of Brazil。
The Alto MoxotóTerrane of the Borborema Province presents a wide exposure of Paleoproterozoic crust,but unlike other continental blocks of South America,its orogenic history is strongly obliterated by late Neoprotero...
关键词：Paleoproterozoic accretionary-collisional event Early orogenic and syn-collisional magmatism Paleoproterozoic inlier within West GONDWANA Nuna/Columbia Supercontinent 
The dynamic Archean to Paleoproterozoic crustal evolution of Brazil:Preface被引量：1
《Geoscience Frontiers》2022年第5期106-109,共4页Hugo Moreira Mathias Schannor Kathryn Cutts Nick M.W.Roberts 
Brazil is the largest country in South America and contains the majority of the exposed Archean and Paleoproterozoic crust on the continent. As such, Brazil provides a natural laboratory for studies of the ancient Ear...
关键词：EVOLUTION Paleo EARTH 
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 
Lu–Hf constraints on pre-,syn,and post-collision associations of the Gurupi Belt,Brazil:Insights on the Rhyacian crustal evolution
《Geoscience Frontiers》2022年第5期336-349,共14页Evandro L.Klein Joseneusa B.Rodrigues 
mostly an outcome of institutional projects developed by CPRM/Geological Survey of Brazil in the Gurupi Belt;the additional support of the Brazilian“Conselho Nacional de Desenvolvimento Científico e Tecnológico”(CNPq)to the first author(research grant 306798/2016-6)。
The Gurupi Belt(together with the São Luís cratonic fragment),in north-northeastern Brazil,has been described in previous studies that used extensive field geology,structural analysis,airborne geophysics,zircon U–Pb...
关键词：PALEOPROTEROZOIC ACCRETION COLLISION Isotope geology Lu–Hf isotopes Rhyacian 
Rhyacian-Orosirian tectonic history of the Juiz de Fora Complex:Evidence for an Archean crustal reservoir within an island-arc system
《Geoscience Frontiers》2022年第5期350-369,共20页Rasec Almeida Vitalino Elizeu Henrique Bruno Samuel Moreira Bersan Lucas Eduardo de Abreu Barbosa Araujo Ivo Dussin Claudio de Morisson Valeriano Carla Neto Monica Heilbron 
the Rio de Janeiro State University and the Faculty of Geology(FGEL)for all the support from the LGPA and LAGIR labs;FAPERJ,CNPq and CAPES,and joint projects with CPRM and Petrobras,are thanked for the financial support。
The southern São Francisco Paleocontinent(SFP)comprises Archean nuclei and Paleoproterozoic complexes encompassing magmatic arcs juxtaposed during a Rhyacian to Orosirian orogenic event.The Juiz de Fora Complex(JFC)re...
关键词：Juiz de Fora complex Paleoproterozoic magmatic arc TTG and sanukitoid São Francisco Paleocontinent 
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