GNEISS

作品数：71被引量：325H指数：11
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相关作者：周喜文侯增谦潘晓菲童英薛怀民更多>>
相关机构：中国地质科学院更多>>
相关期刊：《Acta Geochimica》《地学前缘》《Advances in Geological and Geotechnical Engineering Research》《Open Journal of Civil Engineering》更多>>
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Magma Mixing Genesis of the Mafic Enclaves and Related Granitoids in the Kan Granite-Gneiss Complex of Central Côte d’Ivoire: Evidence from Geology, Petrology and Geochemistry
《Open Journal of Geology》2024年第8期760-786,共27页Koffi Raoul Teha Koffi Kossonou Jean-Marie Pria Koffi Joseph Brou Alain Nicaise Kouamelan Marc Ephrem Allialy Souad M’Rabet 
The mafic enclaves from Paleoproterozoic domain are considered to be the results of large-scale crust-mantle interaction and magma mixing. In this paper, petrography, mineralogy and geochemistry were jointly used to d...
关键词：Magma Mixing Mafic Microgranular Enclaves Host Granitoids Kan Granite-Gneiss Complex West Africa 
Experimental study on the effect of unloading rate on gneiss rockburst被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第6期2064-2076,共13页Dongqiao Liu Jie Sun Ran Li Manchao He Binghao Cao Chongyuan Zhang Wen Meng 
The financial support from the National Natural Science Foundation of China(Grant Nos.41941018 and 52074299);the Fundamental Research Funds for the Central Universities of China(Grant No.2023JCCXSB02)。
Rockburst are often encountered in tunnel construction due to the complex geological conditions.To study the influence of unloading rate on rockburst,gneiss rockburst experiments were conducted under three groups of u...
关键词：ROCKBURST Unloading rate Crack propagation Influence mechanisms 
Anisotropic strength,deformation and failure of gneiss granite under high stress and temperature coupled true triaxial compression被引量：1
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第3期860-876,共17页Hongyuan Zhou Zaobao Liu Fengjiao Liu Jianfu Shao Guoliang Li 
This work was supported by Natural Science Foundation of China(Grant No.52278333);the Fundamental Research Funds for the Central Universities(Grant No.N2101021);The work is under the framework of the 111 Project(Grant No.B17009)and Sino-Franco Joint Research Laboratory on Multiphysics and Multiscale Rock Mechanics.
The anisotropic mechanical behavior of rocks under high-stress and high-temperature coupled conditions is crucial for analyzing the stability of surrounding rocks in deep underground engineering.This paper is devoted ...
关键词：Anisotropic strength and deformation True triaxial compression Thermal mechanical coupling Deep rock mechanics High temperature rock mechanics 
Dynamic response mechanism and precursor characteristics of gneiss rockburst under different initial burial depths被引量：1
《Journal of Mountain Science》2024年第3期1004-1018,共15页LIU Dongqiao SUN Jie MENG Wen HE Manchao ZHANG Chongyuan LI Ran CAO Binghao 
support from the National Natural Science Foundation of China(No.41941018,No.52074299);the Fundamental Research Funds for the Central Universities(No.2023JCCXSB02);the China Geological Survey Project(DD20221816,DD20211376)are gratefully acknowledged.
To investigate the influence mechanism of geostress on rockburst characteristics,three groups of gneiss rockburst experiments were conducted under different initial geostress conditions.A high-speed photography system...
关键词：Traffic Engineering Gneiss Rockburst Crack propagation Excess energy Precursor characteristic 
Multiple thermal events recorded in the Acasta Gneiss Complex:Evidence from in-situ dating of zircon, titanite, and apatite
《Science China Earth Sciences》2024年第3期673-686,共14页Qingfeng MEI Jinhui YANG Jinfeng SUN Qiuli LI Shitou WU Xiaoxiao LING Peng PENG Hao WANG 
supported by the National Natural Science Foundation of China(Grants Nos.42103011,42073034;42288201);the B-type Strategic Priority Program of the Chinese Academy of Sciences(Grants No.XDB41000000)。
In-situ dating of the zircons, titanites, and apatites in the rock fragments of approximately 1 cm2in size from the Acasta Gneiss Complex was performed using secondary ion mass spectrometry or laser ablation inductive...
关键词：ZIRCON TITANITE APATITE Acasta Gneiss Complex Wopmay Orogen 
From source to emplacement:The origin of leucogranites from the Sikkim-Darjeeling Himalayas,India
《Geoscience Frontiers》2024年第1期384-401,共18页Tanya Srivastava Nigel Harris Catherine Mottram Kumar Batuk Joshi Nishchal Wanjari 
supported by Innovation in Science Pursuit for Inspired Research (INSPIRE)No.DST/INSPIRE Fellowship/2016/IF160729,。
Himalayan leucogranites are important for understanding the tectonic evolution of collision zones in general and the causes of crustal melting in the Himalayan orogen in particular.This paper aims to understand the me...
关键词：LEUCOGRANITES GNEISS U-Pb geochronology Zircon MONAZITE Sikkim-Darjeeling Himalayas 
Zircon within chromitite requires revision of the tectonic history of the Eoarchean Itsaq Gneiss complex,Greenland
《Geoscience Frontiers》2023年第6期273-285,共13页Hikaru Sawada Tomoaki Morishita Adrien Vezinet Richard Stern Kenichiro Tani Ikuya Nishio Kanta Takahashi D.Graham Pearson Kristoffer Szilas 
supported by JSPS KAKENHI Grant Numbers 16H05741,19KK0092;Kana-zawa SAKIGAKE 2018 to T.M.,and 20 K14571 to H.S..K.S.thanks the Carlsberg Foundation for support via grant CF18-0090.
The Ujaragssuit Nunat layered(UNL)unit in the Itsaq Gneiss Complex,west Greenland,has been consid-ered to contain one of the oldest chromitites on Earth based on~ca.4.1 Ga Hadean whole rock Pt-Os model ages and ca.3.8...
关键词：ARCHEAN Itsaq gneiss complex Ultramafic rock METASOMATISM 
Petrogenetic characterization of the host rocks of the Sanaga iron ore prospect,southern Cameroon
《Acta Geochimica》2023年第2期195-220,共26页Tasin Godlove Bafon Anthony Temidayo Bolarinwa Cheo Emmanuel Suh Temesgen Oljira Bekele Ayele Bedada Gilles Nyuyki Ngoran Kevin Ijunghi Ateh Boris Martial Keuko Djoumbissie Cho Terence Ngang 
The Sanaga iron ore prospect is a recent discovery in the Nyong Series with a resource estimated at 82.9 Mt at 32.1%Fe and whose origin remains debatable.The mineralization occurs as NE-SW oriented discontinuous lenti...
关键词：Magnetite-pyroxene-gneiss METASOMATISM Ilmenite exsolution Hematite fracture-filling Skarn type mineralization Nyong Series 
Petrography and Geochemical Studies of Basement Rocks around Zango-Daji and Its Environs,North Central Nigeria
《Advances in Geological and Geotechnical Engineering Research》2022年第4期14-21,共8页Simon D.Christopher Onimisi A.Jimoh Onimisi A.Martins 
The geology of the Zango-Daji area was investigated petrographically and geochemically to determine the study area’s rock types and mineralization potential.The study area is underlain by rocks of the basement comple...
关键词：GNEISS HORNBLENDE MIGMATITES PEGMATITE Petrographic 
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 
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