PROTEROZOIC

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Earth’s tectonic and plate boundary evolution over 1.8 billion years
《Geoscience Frontiers》2024年第6期429-453,共25页Xianzhi Cao Alan S.Collins Sergei Pisarevsky Nicolas Flament Sanzhong Li Derrick Hasterok R.Dietmar Müller 
Shandong Outstanding Youth Science Foundation(China)(2023HWYQ-065);Taishan Scholar Program(China)(tsqn202306114);National Key R&D Program of China(2022YFF0800401);ASC acknowledges funding through Australian Research Council projects LP210200822,LP200301457,FT120100340,FL240100114 and the MinEx CRC;His contribution forms MinEx publication#2024/37;SL is funded by National Natural Science Foundation of China(Nos.42121005,91958214);Shandong Provincial Natural Science Foundation(China)(No.ZR2021YQ25);the Marine S&T Fund of Shandong Province for Laoshan Laboratory(No.2022QNLM050302);SP was supported by the Australian Research Council Laureate Fellowship grant to Z.X.Li(FL150100133);This study is a contribution to IGCP 648.NF acknowledges funding through Australian Research Council projects LP220100056 and FT230100001。
Understanding the intricate relationships between the solid Earth and its surface systems in deep time necessitates comprehensive full-plate tectonic reconstructions that include evolving plate boundaries and oceanic ...
关键词：Plate reconstruction Nuna SUPERCONTINENT PROTEROZOIC PALEOGEOGRAPHY 
Proterozoic to Phanerozoic case studies of laser ablation microanalysis for microbial carbonate U–Pb geochronology被引量：1
《Geoscience Frontiers》2024年第2期30-40,共11页Yuxiang Jiang Simon V.Hohl Xiangtong Huang Shouye Yang 
We thank the National Science Foundation of China for funding S.V.Hohl with a Research Fund for International Excellent Young Scientists(RFIS-II),the stromatolite geochemical archive(funding no.42150610481)。
Some of the earliest bio-sedimentary records of life on Earth are represented by microbial carbonates,which are also critical geochemical archives of ancient seawater chemistry and the environmental circumstances in w...
关键词：STROMATOLITE Microbial carbonate Carbonate geochronology In-situ LA-ICP-MS ICP-Time Of Flight-MS Trace element mapping 
Linking sedimentary provenance,climate and tectonics in the Neoproterozoic SeridóBelt,Borborema Province(NE Brazil)
《Geoscience Frontiers》2023年第6期414-431,共18页Carlos V.A.Ribeiro Marcos C.C.Sales Armando L.S.de Oliveira Ricardo Sallet 
The SeridóBelt,at the extreme northeast of Brazil,is one of the several Neoproterozoic mobile belts related to the Brasiliano/Pan-African Orogeny in Western Gondwana.The lithostratigraphy of the SeridóBelt comprises...
关键词：Whole-rock geochemistry Marinoan Glaciation U-Pb detrital zircon Brasiliano Orogeny 
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 
The significance of cherts as markers of Ocean Plate Stratigraphy and paleoenvironmental conditions:New insights from the Neoproterozoic-Cambrian Blovice accretionary wedge,Bohemian Massif被引量：2
《Geoscience Frontiers》2023年第1期162-180,共19页LukášAckerman Jirízák Václav Kachlík Jan Pašava KarelZák Andreas Pack František Veselovsky Ladislav Strnad 
the Czech Science Foundation through project no.20-13644S(to Lukas Ackerman);The Scientific Program RV067985831 of the Institute of Geology of the Czech Academy of Sciences;Charles University through Cooperation Programme(Research Area GEOL);Center for Geosphere Dynamics(UNCE/SCI/006);Operational Programme Prague-Competitiveness(Project CZ.2.16/3.1.00/21516);Strategic Research Plan of the Czech Geological Survey(DKRV02018-2022)
The Ediacaran to early Cambrian Blovice accretionary complex,Bohemian Massif,hosts abundant chert bodies that formed on an oceanic plate and were involved in subduction beneath the northern margin of Gondwana.Field re...
关键词：Chert Accretionary wedge EDIACARAN Triple oxygen isotopes Strontium isotopes Ocean Plate Stratigraphy 
Timing of Proterozoic magmatism in the Sunsas belt, Bolivian Precambrian Shield, SW Amazonian Craton
《Geoscience Frontiers》2021年第6期277-293,共17页Ingrid M.Nedel Reinhardt A.Fuck Amarildo S.Ruiz Gerardo R.Matos-Salinas Alanielson da C.D.Ferreira 
The authors acknowledge the support of the Laboratório de Geocronologia(Universidade de Brasília);the Grupo de Pesquisa em Evolução Crustal e Tectônica(Guaporé);This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior-Brasil(CAPES)-Finance Code 001;The authors also acknowledge Fundação de ApoioàPesquisa do Distrito Federal(FAPDF);INCT Estudos Tectônicos(CNPq-CAPESFAPDF)for financial support.IMN thanks CAPES and Programa de Excelência Acadêmica(PROEX,Edital-0487)for granting the Doctorate scholarship;RAF and ASR acknowledge CNPq for research fellowship.
We present new U–Pb zircon and monazite ages from the Sunsas belt granitic magmatism in Bolivia, SW Amazonian Craton. The geochronological results revealed four major magmatic events recorded along the Sunsas belt do...
关键词：SW Amazonian Craton Sunsas belt U–Pb geochronology Zircon MONAZITE 
Nature and(in-)coherent metamorphic evolution of subducted continental crust in the Neoproterozoic accretionary collage of SW Mongolia
《Geoscience Frontiers》2021年第3期78-103,共26页Sergei Skuzovatov 
performed within the framework of the IGC State Assignment Project No.0350-2016-0028;Ministry of Science and Technology of Taiwan(MOST 106-2811-M-001-035)during postdoctoral research of SYuS at Institute of Earth Science(Academia Sinica,Taipei,Taiwan);further supported by the Foundation of Russian Federation President(Grant No.MK-67.2020.5)。
In continental subduction complexes minor volumes of high-pressure mafic rocks(eclogites)often co-exist with much more abundant felsic(granitic)and metasedimentary rocks,which are vital for resolving the origin and me...
关键词：Central Asian Orogenic Belt SW Mongolia SUBDUCTION Metasedimentary rocks Orthogneisses Trace elements Zircon U-Pb age Hf isotopes 
Switching from advancing to retreating subduction in the Neoproterozoic Tarim Craton, NW China: Implications for Rodinia breakup被引量：3
《Geoscience Frontiers》2021年第1期161-171,共11页Guanghui Wu Shuai Yang Wei Liu R.Damian Nance Xin Chen Zecheng Wang Yang Xiao 
supported by the National Natural Science Foundation of China(Grant No.91955204);National Major Science and Technology Project of China(Grant No.2016ZX05004001)。
Geodynamic drivers for the supercontinent cycle are generally attributed to either top-down(subduction-related)or bottom-up(mantle-related)processes.Compiled geochemical data and U-Pb ages and Hf isotopic signatures f...
关键词：Supercontinent breakup Top-down tectonics RODINIA SUBDUCTION U-Pb-Hf isotopes 
Record of Early Tonian mafic magmatism in the central Espinhaco(Brazil):New insights for break-up of the Neoproterozoic landmass ancestor of Sao Francisco-Congo paleocontinent被引量：1
《Geoscience Frontiers》2020年第6期2323-2337,共15页Helen F.Moreira AndréDanderfer Alice F.O.Costa Samuel M.Bersan Cristiano C.Lana Gláucia N.Queiroga 
CAPES,FAPEMIG(APQ-00125-12)and Petrobras(Geotectonic Studies Network)for financial support;the Universidade Federal de Ouro Preto and CDTN(Centro de Desenvolvimento da Tecnologia Nuclear)for institutional support。
Petrological characterization,U-Pb geochronology,Lu-Hf analyses and major and trace element data from mafic intrusions in the Central Espinhaco(central portion of the Brazilian shield)are used here to investigate the ...
关键词：Mafic rocks Espinhaco basin Sao Francisco-Congo paleocontinent Tonian rifting U–Pb geochronology 
High-pressure metamorphic rocks in the Borborema Province, Northeast Brazil: Reworking of Archean oceanic crust during proterozoic orogenies
《Geoscience Frontiers》2020年第6期2221-2242,共22页Alanielson da Câmara Dantas Ferreira Elton Luiz Dantas Ticiano JoséSaraiva dos Santos Reinhardt A.Fuck Mahyra Tedeschi 
the support of the INCT Estudos Tectônicos(CAPES/CNPq465613/2014-4 and FAPDF-193.001.263/2017)。
We present the first evidence of Archean oceanic crust submitted to Proterozoic high-pressure(HP)metamorphism in the South American Platform.Sm-Nd and Lu-Hf isotopic data combined with U-Pb geochronological data from ...
关键词：Archean oceanic crust Proterozoic orogens Borborema province 
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