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An Occurrence of the Assemblage Grandidierite, Kornerupine, and Tourmaline in Antarctica

Liudong, Ren and Xiaohan, Liu (1993) An Occurrence of the Assemblage Grandidierite, Kornerupine, and Tourmaline in Antarctica. Advances in Polar Science, 4 (2). pp. 21-28.

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Abstract

Grandidierite, kornerupine, and tourmaline occur in high-grade pelitic gneisses from the Larsemann Hills, East Antarctica. The three minerals contact to each other and show a special order: Trn1 => Gdd => Trn2 => Krn => Trn3, suggesting the occurrence of the assemblage is controlled by the temporal changes of the chemical potentials of B2O3 and H2O. The discovery of the assemblage is a good constraint on the setting and composition feature of metamorphism in the area.

Item Type: Article
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    Date Deposited: 11 Apr 2023 12:11
    URI: http://library.arcticportal.org/id/eprint/2065

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