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您的检索式：作者名="Predrag VULIC"
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| 1 | Macroscopically-Zoned Grandite from the Garnetite Skarn of Meka Presedla(Kopaonik Mountain,Serbia)显示文摘The macroscopically-zoned grandite from the garnetite skarn of Meka Presedla(Kopaonik Mountain,Serbia) was studied with optical microscopy,electron microprobe analysis(EMPA),Fourier transform infra-red(FT-IR),and Raman methods.The EMPA results indicate that the main core-rim compositional variations(Ca2.93-2.97Mn0.05-0.06Mg0.00-0.01Al1.14-1.26Fe3+0.72-0.83Ti0.00-0.02Si2.97-3.02O12) slightly differ along the zones,showing evidence for a quasi-cyclic alternation of the oscillatory zoning nature.Among this,considerable variation is observed only by the Al-Fe3+ substitutions in the octahedral site.The EMPA also indicate that the grandite zones compositionally vary,mostly within ±1 and ±2 mol% of the homogeneity level range,that is,Grs64±1Adr36±1Sps2(A),Grs62±1Adr38±1Sps2(B),Grs59±2Adr40±2Sps2(C),Grs58±2Adr41±2Sps2(D),and Grs58±1Adr41±1Sps2(E).Therefore,the investigated garnet can be considered as relatively highly homogeneous.The majority of compositions lie within the narrow miscibility region of 0.58±2 | Pavle TANCIC Predrag VULIC Reinhard KAINDL Bernhard SARTORY Radovan DIMITRIJEVIC | 2012 | Acta Geologica Sinica(English Edition)2012，86，2： | 1 |
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