DUNITE

作品数：24被引量：86H指数：5
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Multi-stage formation of the Feragen ophiolite,Norway:Implication from petrology and geochemistry of peridotites and chromitites and its potential for prospecting
《China Geology》2024年第4期686-701,共16页Tian Qiu Fa-hui Xiong David G.Gee Yuan Li Jing-sui Yang 
financially supported by the National Natural Science Foundation of China(92062215,41720104009,42172069);the China Geological Survey(DD20221886,DD20221817,DD20221657,DD20230340,DD20221630);the Key Special Project for Introduced Talents Team of Southern Marine Science and Engineering Guangdong Laboratory(Guangzhou)(GML2019ZD0201);the Second Tibetan Plateau Scientific Expedition and Research Program(2019QZKK0801)。
The ultramafic massif of Feragen,which belongs to the eastern ophiolitic belt of Norway,has abundant amounts of chromite ores.Recent studies have revealed a complex melt evolution in a supra-subduction zone(SSZ)enviro...
关键词：GEOCHEMISTRY ƑO_(2) Platinum-group elements High-Cr podiform chromitites SSZ peridotite Harzburgites Feragen ophiolite Norway DUNITE Abyssal peridotite 
SHRIMP zircon U-Pb age and O isotopic analysis of the dunite from Kudi ophiolite in the West Kunlun,China被引量：3
《China Geology》2023年第1期171-173,共3页Geng-biao Qiao Wen-ming Li Tian-hu Li 
supported by the National Science Foundation of China(41302051);the Natural Science Foundation of Shaanxi Province(2020JM-311);the project of China Geological Survey(DD20221636,DD20221691)。
1.Objective The West Kunlun in Xinjiang is located on the northwestern margin of the Qinghai-Tibet Plateau(Fig.1a)and at the junction of the Paleo-Asian tectonic domain and the Tethys tectonic domain.It serves as an i...
关键词：TECTONIC KUNLUN ZIRCON 
Thermal properties of harzburgite and dunite at 0.8–3 GPa and 300–823 K and implications for the thermal evolution of Tibet被引量：2
《Geoscience Frontiers》2021年第2期947-956,共10页Jianhua Ge Baohua Zhang Zili Xiong Lanfang He Heping Li 
Key Research Program of Frontier Sciences of CAS(ZDBS-LY-DQC015);National Natural Science Foundation of China(Nos.41973056,41773056,41303048);Science Foundation of Guizhou Province(2017-1196,2018-1176).
Thermal diffusivity(D)and thermal conductivity(κ)of harzburgite and dunite from Luobusha ophiolite were simultaneously measured up to 3 GPa and 823 K using the transient plane-source method in a multi anvil apparatus...
关键词：Thermal diffusivity Thermal conductivity HARZBURGITE DUNITE Thermal evolution TIBET 
Sulfide Aggregation in Ophiolitic Dunite Channels Explains Os-Isotope Mismatch between Oceanic Crust and Mantle
《Acta Geologica Sinica(English Edition)》2020年第S01期66-66,共1页XIONG Qing XU Yong José M.GONZÁLEZ-JINÉNEZ LIU Jingao Olivier ALARD ZHENG Jian-Ping William L.GRIFFIN Suzanne Y.O’REILLY 
supported by the National Natural Science Foundation of China(41520104003,41873032&41822301);the Fundamental Research Funds for the Central Universities,CUG Wuhan(CUG180604,CUGCJ1709);the MOST Special Fund from the State Key Laboratory of Geological Processes and Mineral Resources(CUG,MSFGPMR15);the CCFS ARC Centre of Excellence
The osmium-isotope mismatch commonly reported between mid-ocean-ridge basalts(MORBs) and residual mantle might reflect evolution of the MORB Re-Os system after extraction from the asthenosphere, or preferential contri...
关键词：sulfide aggregation dunite melt channels Re-Os isotopes Os-isotope mismatch of oceanic crust and mantle melt plumbing system mid-ocean ridges 
Episodic Melt Percolating and Chromite Mineralization in Yushigou Peridotite, North Qilian Suture Zone
《Acta Geologica Sinica(English Edition)》2020年第S01期92-92,共1页ZHOU Xiang ZHENG Jianping ZHU Hui Li Yibing 
granted by the NSFC(41520104003)
Harzburgite-dunite associations are the dominant type of ultramafic heterogeneities in the exhumed peridotites.Although the dunite network are usually small in volume of exposed mantle rocks,their mineral structures a...
关键词：harzburgite-dunite associations microstructures melt-rock interaction North Qilian 
Ultramafic Zoned Complexes of the Urals and Siberia: New Geochemical Evidence of Magmatic Origin
《Acta Geologica Sinica(English Edition)》2020年第S01期58-59,共2页Vladimir SHMELEV Maria CHERVYAKOVSKAYA 
the framework of the Program the IGG UB RAS (No. АААА-А18118052590029-6);the grant from the Russian Science Foundation (Project No. 16-17-10283)
Ultramafic(dunite-clinopyroxenite) complexes with platinum mineralization are common in different tectonic settings. Among them are zoned complexes of the Ural-Alaskan type, zoned complexes of platforms(Konder massif,...
关键词：ultramafic complexes DUNITE CLINOPYROXENES LA-ICP-MS method model melts 
Sodium in olivine as a potential pressure indicator for orogenic dunite被引量：2
《Science Bulletin》2020年第2期94-96,87,共4页Bin Su Yi Chen Qian Mao 
supported by the State Key Research and Development Program(2016YFE0203000);the National Natural Science Foundation of China(41490614,41802059 and 41822202);the National Postdoctoral Program for Innovative Talents(BX201700239);China Postdoctoral Science Foundation(2017M620065).
Orogenic mantle peridotite,mainly derived from the lithospheric mantle wedge,was initially incorporated into the subduction channel at depths of mostly 30–120 km and then underwent ultradeep(>150 km)subduction and cr...
关键词：Na 纯橄岩 指示计 橄榄石 
Highly refractory Archaean peridotite cumulates:Petrology and geochemistry of the Seqi Ultramafic Complex,SW Greenland
《Geoscience Frontiers》2018年第3期689-714,共26页Kristoffer Szilas Vincent van Hinsberg Iain McDonald Tomas Naeraa Hugh Rollinson Jacob Adetunji Dennis Bird 
Financial support to Kristoffer Szilas from Knud Hojgaards Fond for the fieldwork at the Seqi Ultramafic Complex;research grants VKR023371 from VILLUM FOUNDATION;CF16-0059 from CARLSBERG FOUNDATION made this study possible
This paper investigates the petrogenesis of the Seqi Ultramafic Complex, which covers a total area of approximately 0.5 km^2. The ultramafic rocks are hosted by tonalitic orthogneiss of the ca. 3000 Ma Akia terrane wi...
关键词：North Atlantic Craton ARCHAEAN DUNITE Platinum-group elements Ultra-depleted mantle Fiskefjord 
Exsolution Lamellae in Olivine Grains of Dunite Units from Different Types of Mafic-Ultramafic Complexes被引量：3
《Acta Geologica Sinica(English Edition)》2018年第2期586-599,共14页LIANG Zi XIAO yan Joyashish THAKURTA SU Benxun CHEN Chen BAI Yang Patrick A. SAKYI 
financially supported by the National Natural Science Foundation of China (Grants 41522203, 41673037 and 41772055);Youth Innovation Promotion Association, Chinese Academy of Sciences (Grant 2017095)
Exsolution microstructures in olivine grains from dunite units in a few selected tectonic environments are reported here. They include lamellae of clinopyroxene and clinopyroxene-magnetite intergrowth in the Gaositai ...
关键词：OLIVINE DUNITE clinopyroxcne lamella intergrowth of clinopyroxenc and magnetite maficultramafic complex 
In-situ Moissanite in Dunite of the Luobusa Ophiolite, Tibet: Implications for Deep Mantle Origin
《Acta Geologica Sinica(English Edition)》2015年第A02期47-49,共3页LIANG Fenghua XUZhiqin ZHAO Jianan 
We report the discovery of an in-situ natural moissanite in Cr-spinel hosted by dunite of the Luobusa ophiolite, Tibet. The dunite envelopes a poditbrm chromitite, separating it from the harzburgite in which the chrom...
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