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近日,中国地质大学资源学院和GPMR国家重点实验室李建威教授团队在国际地质学顶级期刊Geology上发表了关于热液黄铁矿中复杂成分环带形成机理与控制因素的研究成果。论文第一作者吴亚飞是中国地质大学与澳大利亚科廷大学联合培养的博士研究生,通讯作者为李建威教授。
Natural Zoning for Highways is the important basis of highway network planning and establishment of related specifications and standards. Determination method for influence coefficients of comprehensi...
Plagioclase crystals characterized by compositional zoning are typical of the Zigana Granitoid (ZG), NE Turkey. The zoned crystals, which show textural equilibrium with the assemblage quartz + plagio...
Clinopyroxene phenocrysts and microphenocrysts in different series of the Neogene alkaline volcanic rocks from the eastern Pontides (NE Turkey) record various stages in the crystallization conditions ...
期刊信息 篇名 Mineralization and alteration zoning in the Gejiu tin ore field Yunnan ,China 语种 英文 撰写或编译 作者 Zhao Yiming ,Li Daxin 第一作者单位 刊物名称 Scientia Geologica Sinila 页面 1995,Vol.4,No.2,179-192 出版日期 1995年 月...
Apatite crystals in a sample of biotite granodiorite from the Idaho batholith display complex chemi- cal zoning, characterized by abrupt changes in REE+Y+Si content, more subtle variations in S, Na, ...
Complexintracrystallinezoningpatternsinhydrothermalgarnetandvesuvianiteand magmaticplagioclasewereanalyzedbystatisticalmethodstotestforfractalbehavior.The zoningdatawerecollectedbyelectronandprotonm...
Regional structural interpretation, thermobarometry, and Gibbs-method calculations werecombined to determine an approximate P-Tpath for kyanite-grade metapelitic rocks ofthe Baltimore Gneiss terrane. ...
In unequilibrated eucrites, pyroxene is a sensitive recorder of variables that affect their crystallization histories. Therefore, major,minor,and trace element systematics of pyrox-ene wereevaluated f...
Thecompositional evolution oftourmaline from diageneticto lower amphibolite-facies conditions wasinvestigated in two metasedimentary units (redbed and black shale for-mations)alongatraverse across the...
Traceelement (REE, Cr,Ti,Y,Y,andZr)analysisofgarnetfrom the garnet,staurolite,and lower sillimanite zones ofan aluminous schist ofthe BlackHills,South Dakota, indicates that REEzoning varies as a fun...
Plagioclase, the mostabundant phenocryst at MountPinatubo, displays varying textures and compositions within the 1991 eruption products. In June 7-14 dome-forming ande-site, plagioclase phenocrysts sh...
Wehave determined major(Si,Zr,Hf),minor(AI,Y,Fe,P),and trace element (Ca, Sc,Ti,Ba,REE,Th,U)concentrations and Ramanspectra ofazoned, 200~mzircon grainin lunar sample 14161,7069,aquartz monzodioritebr...
Abstract: Scanning, transmission, and analytical electron microscopy studies of shales from the Salton Sea geothermal field revealed that phyllosilicates progress through zones of illite-muscovite (11...
Bravoite-pyrite grains occur in sulfide ores of the Fredericktown area, Missouri, in the transition facies between the Lamotte sandstone and the Bonneterre dolomite. These ores also include galena, ma...

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