Publication: Advances in Polar Science (APS). Antarctic Research, Vol. 4, No. 2, 21~28, December 1993
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Author: Ren Liudong and Liu Xiaohan
CNARC member: Polar Research Institute of China (PRIC)
Abstract: Grandidierite, kornerupine,and tourmaline occur in high-grade 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.
Key words: Grandidierite, kornerupine, tourmaline, boron, evolution
