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Geochemical models of core-mantle differentiation: 《Acta Geochimica》2022年第4期607-624,共18页Qiong Li Wei Du; financially supported by the National Natural Science Foundation of China(NSFC Nos.41773052 and 41973058);the Strategic Priority Research Program of Chinese Academy of Sciences(XDB 41000000);the key research program of frontier sciences of Chinese Academy of Sciences(ZDBS-SSWJSC007-10);preresearch project on Civil Aerospace Technologies by CNSA(D020201)。; The core-mantle differentiation process is one of the most significant events in the Earth’s early history,which profoundly affects the Earth’s internal structure.According to the simple core-mantle differentiation ...; 关键词：Proto-Earth Siderophile element Earth’s building block High-temperature and high-pressure experiment Enstatite chondrite

Experimental investigation of phase transformations of olivine and enstatite at the lower part of the mantle transition zone:Implications for structure of the 660 km seismic discontinuity: 《Science China Earth Sciences》2014年第4期592-599,共8页WU Yao ZHANG YanFei WANG YanBin JIN ZhenMin DONG ShuWen; financially supported by the Sinoprobe-0801;National Natural Science Foundation of China(Grant Nos.41002068&41174076); High-pressure polymorphs of olivine and enstatite are major constituent minerals in the mantle transition zone （MTZ）. The phase transformations of olivine and enstatite at pressure and temperature conditions corresp...; 关键词：OLIVINE ENSTATITE high-pressure phase transformation 660 km seismic discontinuity mantle transition zone eastern China

FeO-rich silicates and Ca, Al-rich inclusions in Qingzhen andYamato 691 (EH3) meteorites: Evidence for migration of mass in the solar nebula被引量：1: 《Chinese Science Bulletin》2002年第2期150-153,共4页LIN Yangting OUYANG Ziyuan A.EI Goresy; This work was supported by the National Science Fund for Distinguished Young Scholars (Grant No. 40025311).; The Qingzhen and Yamato 691 (EH3) enstatite chondrites, which formed under extremely reducing condi-tions, are studied using the scanning electron microscope and electron probe microanalyzer. Both meteorites contain F...; 关键词：solar NEBULA METEORITE ENSTATITE CHONDRITE reduction migration.

High-pressure sound velocity of perovskite-enstatite and the possible composition of the Earth's lower mantle被引量：1: 《Chinese Science Bulletin》2000年第10期921-925,共5页Zizheng Gong Hongsen Xie Hui Huo Fuqian Jing Jie Guo Ji’an Xu; The compressional sound velocity VP for enstatite of polycrystalline specimens were measured at pressures from 40 to 140 GPa using the optical analytical techniques under shock loading. The dependence of VP (in km/s) ...; 关键词：ENSTATITE SOUND velocity high-temperature and high-pressure COMPOSITION of the Earth’s interior.

Temperature Coefficient of Sound Velocity of Perovskite-Enstatite and Lateral Thermal Heterogeneity in Earths Lower Mantle: 《Chinese Physics Letters》2000年第3期218-220,共3页GONG Zi-Zheng XIE Hong-Sen JING Fu-Qian LIU Yong-Gang GUO Jie XU Jian; Supported by National Natural Science Foundation of China under Grant No.19672058;the Science and Technology Foundation of Chinese Academy of Engineering Physics under Grant No.960103.; Using the differences of sound velocity and temperature on the Hugoniot and isoentropic state,the temperature coefficients of sound velocity of perovskite-enstatite under high pressure were obtained.For compressional,...; 关键词：Lower MANTLE ANOMALY

High-Pressure Sound Velocity of Perovskite-Enstatite and Possible Composition of Earth5s Lower Mantle被引量：1: 《Chinese Physics Letters》1999年第9期695-697,共3页GONG Zi-zheng XIE Hong-sen LIU Yong-gang HUO Hui JING Fu-qian GUO Jie XU Ji-an; the National Natural Science Foundation of China under Grant No.19672058;the Science and Technology Foundation of Chinese Academy of Engineering Physics under Grant No.960103.; The compressional sound velocity vp for enstitate of polycrystalline specimens was measured at pressures from 40 to 140 GPa by using the optical analyzer techniques under shock loading. The dependence of vp (in units ...; 关键词：VELOCITY Earth LOWER

Experimental Studies on Elasticities of Forsterite-Enstatite Composites:Towards an Understanding of the Rules of Mixture: 《Earthquake Research in China》1998年第3期95-121,共27页Ji Shaocheng and Wang ZichaoDepartment of Geology, University of Montreal, Montreal, Quebec, H3C 3J7, Canada Institute of Geology, China Seismological Bureau, P.O. Box 634, Beijing 100029, China; Which rule of mixture is the best for predicting the overall elastic properties of polyphase rocks based on the elastic properties and volume fractions of their constituents? In order to address this question, we sint...; 关键词：ELASTICITY High pressure FORSTERITE ENSTATITE Composite ULTRASONIC Interference Shear-lag model.

Some refractory and volatile element chemistry of CaS in enstatite chondrites: 《Science China Earth Sciences》1996年第2期184-193,共10页陈永亨 Paul H.Benoit; Project supported by the National Natural Science Foundation of China.; INAA data for REE, Sc, Se, Br and Zn in CaS extracted from 5 enstatite chondrites (Qingzhen EH3, St. Marks EH5, Atlanta EL6, Hvittis EL6 and Pillistfer EL6) are reported. The results indicate that the REE abundances i...; 关键词：ENSTATITE METEORITES oldhamite TRACE element chemistry INVA.

Inspiration From Study of Antarctic Meteorites(Ⅱ)——Discovery of the First EL3 Chondrite: 《Chinese Science Bulletin》1993年第15期1277-1279,共3页林杨挺欧阳自远王道德 H.J.Nagel A.ElGoresy L.L.Lundberger; Chondrites can be classified into different types from 1 to 6 with increasing degree ofthermometamorphism.EH-chondrites fall between types 3 and 5 with lack of type 6,while all of the 17 EL chondrites were reported to...; 关键词：ENSTATITE CHONDRITE Antarctic METEORITE PETROGRAPHY and mineralogy PARENT bodies thermometamorphism

REFLECTANCE AND INFRARED TRANSMISSION SPECTROSCOPIC STUDIES OF THE QINGZHEN ENSTATITE CHONDRITE (EH3): 《Chinese Science Bulletin》1990年第15期1291-1295,共5页李肇辉欧阳自远王木森邓仁达何建强丁暄; Enstatite chondrites are the product of nebular condensation-agglomeration under extremely reducing conditions. They can be classified into two groups: the high-Fe(EH)and the low-Fe group(EL). The former can be furthe...; 关键词：METEORITE reflectance and infrared transmission SPECTRA POLYMORPHIC ENSTATITE Mg₃ (SiO₃)₃.

ENSTATITE