| Autor: |
Vladimir A Simonov, S.I. Stupakov, A.A. Doroshkov, T. B. Kolotilina, Yu. P. Benedyuk, A. S. Mekhonoshin |
| Rok vydání: |
2015 |
| Předmět: |
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| Zdroj: |
Russian Geology and Geophysics. 56:1308-1321 |
| ISSN: |
1068-7971 |
| Popis: |
This paper presents the first geochemical data on Cr-spinels from ultramafic rocks of the Alkhadyr terrane, which were obtained on a representative collection of samples using modern research methods. The compositional data on melt inclusions allowed the identification of three generations of Cr-spinels on the basis of their morphology, composition, and relationships with the rock-forming minerals. Different types of geochemical zoning were recognized in heterogeneous Cr-spinel grains. The composition of parental melt and crystallization temperatures of the minerals in ultramafic rocks were derived from the compositional data on Cr-spinels and trapped melt inclusions. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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