XENOCRYSTS

作品数：11被引量：65H指数：3
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Recycling process and proto-kimberlite melt metasomatism in the lithosphere-asthenosphere boundary beneath the Amazonian Craton recorded by garnet xenocrysts and mantle xenoliths from the Carolina kimberlite
《Geoscience Frontiers》2022年第5期89-105,共17页Fernanda Gervasoni Tiago Jalowitzki Marcelo Peres Rocha Ricardo Kalikowski Weska Eduardo Novais-Rodrigues Rodrigo Antonio de Freitas Rodrigues Yannick Bussweiler Elisa Soares Rocha Barbosa Jasper Berndt Elton Luiz Dantas Valmir da Silva Souza Stephan Klemme 
supported by FAPDF(Call03/2018;Process n°23568.93.50253.24052018);Serrapilheira Institute(Serra-1709-18152)。
Here we present new data on the major and trace element compositions of silicate and oxide minerals from mantle xenoliths brought to the surface by the Carolina kimberlite,Pimenta Bueno Kimberlitic Field,which is loca...
关键词：Carolina kimberlite K-rich mantle xenoliths Ancient subducted slab Proto-kimberlite melt metasomatism 
Zircon Xenocrysts from the Shaka Ridge Record Ancient Continental Crust:New U-Pb Geochronological and Oxygen Isotopic Data被引量：1
《Journal of Earth Science》2022年第1期5-16,共12页Sergey G.Skublov Natalia A.Rumyantseva Qiuli Li Boris G.Vanshtein Dmitriy I.Rezvukhin Xianhua Li 
funded by the National Key R & D Program of China(No.2016YFE0203000);the National Natural Science Foundation of China(No.41673018);conducted under state contract(Institute of Precambrian Geology and Geochronology of Russian Academy of Sciences)(No.FMNU-2022-0005);supported by the state assignment project of IGM SB RAS。
Over the past two decades, a significant number of discoveries of ancient zircon xenocrysts in ocean-floor magmatic rocks have been reported. These findings provide compelling evidence for the presence of ancient cont...
关键词：ZIRCON U-Pb geochronology oxygen isotopes trace elements rare earth elements Shaka Ridge South Atlantic Southwest Indian Ridge 
Mantle Transects in Africa According to Data of Mantle Xenocrysts and Diamond Inclusions
《Acta Geologica Sinica(English Edition)》2021年第S01期15-17,共3页Igor V.ASHCHEPKOV Vladimir N.ZINCHENKO Alexandr S.IVANOV 
supported by the RFBR grant 19-05-00788;supported by the Ministry of Science and Higher Education of the Russian Federation
We designed the mantle transects using the PTXFO2 diagrams(Ashchepkov et al.,2010,2013,2017)constructed(Figs.1 a–c)for mantle columns beneath kimberlite and sections of the lithospheric mantle(SCLM)under the Kaapvaal...
关键词：mantle lithosphere craton transect monomineral thermobarometry oxygen fugacity PERIDOTITE eclogite garnet CLINOPYROXENE 
New Exploration of Tracking Deep Ancient Crustal Components: A Combined Analysis of Xenocrystic/Inherited Zircon Information within Different Genetic Types of Granitoids in Chinese Altai
《Acta Geologica Sinica(English Edition)》2021年第S01期106-108,共3页ZHANG Jianjun WANG Tao TONG Ying HUANG He SONG Peng 
jointly supported by the National Key Technologies R&D Program of China(Grant nos.2019YFA0708600,2018YFC0603702);National Natural Science Foundation of China(Grant nos.41802074,41830216);China Geological Survey projects(Grant nos.DD20190001,DD20190370);a contribution to IGCP Project 662
Revealing deep composition information is crucial for systematic understanding of continental crust architecture.Deep exploration has become an important trend in the development of geoscience,and using magmatic rocks...
关键词：Nd-Hf isotopic mapping zircon xenocrysts BASEMENT ALTAI Central Asian orogenic belt 
Mineral Chemistry Indicates the Petrogenesis of Rhyolite From The Southwestern Okinawa Trough被引量：4
《Journal of Ocean University of China》2017年第6期1097-1108,共12页CHEN Zuxing ZENG Zhigang WANG Xiaoyuan ZHANG Yuxiang YIN Xuebo CHEN Shuai MA Yao LI Xiaohui QI Hanyan 
supported by the National Key Basic Research Program of China(No.2013CB429700);the National Natural Science Foundation of China(Nos.41325021 and 41306053);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDA11030302);the Special Fund for the Taishan Scholar Program of Shandong Province(No.ts201511061);the AoShan Talents Program Supported by Qingdao National Laboratory for Marine Science and Technology(No.2015ASTP-0S17);the Innovative Talent Promotion Program(No.2012RA2191);the Science and Technology Development Program of Shandong Province(No.2013GRC31502);the Scientific and Technological Innovation Project Financially Supported by Qingdao National Laboratory for Marine Science and Technology(No.2015ASKJ03);the National High Level Talent Special Support Program;the CAS/SAFEA International Partnership Program for Creative Research Teams;the Qingdao Collaborative Innovation Center of Marine Science and Technology
To reveal the petrogenesis of rhyolite from the southwestern Okinawa Trough, the mineral chemistry of plagioclase, orthopyroxene, amphibole, quartz and Fe-Ti oxide phenocrysts were analyzed using an electron microprob...
关键词：GEOTHERMOBAROMETRY oxygen FUGACITY XENOCRYSTS MAGMA evolution RHYOLITE OKINAWA Trough 
Metasomatic origin of garnet xenocrysts from the V.Grib kimberlite pipe,Arkhangelsk region,NW Russia被引量：2
《Geoscience Frontiers》2017年第4期641-651,共11页E.V.Shchukina A.M.Agashev N.P.Pokhilenko 
supported by the FBRF(Grants No.15-05-07758);by state assignment project No.Ⅷ.72.1.1
This paper presents new major and trace element data from 150 garnet xenocrysts from the V.Grib kimberlite pipe located in the central part of the Arkhangelsk diamondiferous province（ADP）.Based on the concentrations...
关键词：Lithospheric mantle Mantle xenolith Lherzolite-harzburgite-wehrlite-megacryst paragenesis Trace element Major element Kimberlite 
Comparison of mantle lithosphere beneath early Triassic kimberlite fields in Siberian craton reconstructed from deep-seated xenocrysts被引量：1
《Geoscience Frontiers》2016年第4期639-662,共24页I.V.Ashchepkov S.S.Kuligin N.V.Vladykin H.Downes M.A.Vavilov E.N.Nigmatulina S.A.Babushkina N.S.Tychkov O.S.Khmelnikova 
supported by grants RFFI 11-05-00060a and 11-05-91060-PICS
Mantle xenocrysts from early Triassic kimberlite pipes from Kharamai, Ary-Mastakh and Kuranakh fields in the Anabar shield of Siberia revealing similar compositional trends were studied to estimate the superplume infl...
关键词：Mantle lithosphere Monomineral thermobarometry Mineral geochemistry Triassic kimberlite LAYERING 
The Sytykanskaya kimberlite pipe:Evidence from deep-seated xenoliths and xenocrysts for the evolution of the mantle beneath Alakit,Yakutia,Russia
《Geoscience Frontiers》2015年第5期687-714,共28页I.V.Ashchepkov A.M.Logvinova L.F.Reimers T.Ntaflos Z.V.Spetsius N.V.Vladykin H.Downes D.S.Yudin A.V.Travin L.V.Makovchuk V.S.Palesskiy O.S.Khmel'nikova 
supported by RBRF grants 05-05-64718,03-05-64146,08-05-00524,11-05-00060,11-05-91060-PICS;jointresearch projects of IGM SB RAS and ALROSA Stock Company 77-2,65-03,02-05,grant of the President of Russia MK-3240.2014.5
Mantle xenoliths（>150） and concentrates from late autolithic breccia and porphyritic kimberlite from the Sytykanskaya pipe of the Alakit field（Yakutia） were analyzed by EPMA and LAM ICP methods.In P-TX-f（O2） dia...
关键词：KIMBERLITES Mantle lithosphere Mantle xenoliths Th 
Dunite Xenoliths and Olivine Xenocrysts in Gabbro from Taihang Mountains: Characteristics of Mesozoic Lithospheric Mantle in Central China被引量：12
《Journal of Earth Science》2010年第5期692-710,共19页许文良 王春光 杨德彬 王枫 裴福萍 
supported by the National Natural Science Foundation of China (No. 90814003);the Ministry of Science and Technology of China (No. 2009CB825005);the Ministry of Education of China (No. 200801830039);the MOST Special Fund from the State Key Laboratory of Geo-logical Processes and Mineral Resources, China University of Geosciences
This article reports the petrography and mineral chemistry of dunite xenoliths and olivine xenocrysts entrained by the Early Cretaceous Xi＇anli （西安里） hornblende （Hb）-gahbros from the southern Taihang （太行） ...
关键词：North China craton Xi＇anli Hb-gabbro DUNITE XENOCRYST lithospheric mantle. 
Characteristics and geological significance of olivine xenocrysts in Cenozoic volcanic rocks from western Qinling被引量：2
《Progress in Natural Science:Materials International》2006年第12期1300-1306,共7页SU Benxun ZHANG Hongfu XIAO Yan ZHAO Xinmiao 
Supported by National Natural Science Foundation of China (Grant Nos .40534022 and 40421202)
Cenozoic volcanic rocks from the Haoti, Dangchang County of the western Qinling Mountains, contain a few clearlyzoned olivines. These olivines are relatively big in grain sizes and usually have cracks or broken featur...
关键词：Western Qinling Dangchang Haoti Cenozoic volcanic rocks olivine xenocrysts zoned texture 
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