On the association of orthopyroxene-garnet-biotite found in the Lutzow-Holmbukta region, East Antarctica

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概要

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• Acid to intermediate metamorphites with the stable association of orthopyroxene, garnet and biotite are sporadically found in the Langhovde and Skarvsnes areas, Lutzow-Holmbukta. The rocks are developed in close association with garnet-biotite gneiss and/or charnockitic rocks. The essential mineral assemblage of the rocks in question is characterized by the association of plagioclase-quartz-K feldspar-orthopyroxene-biotite-garnet-ilmenite. Based on the chemical analyses of the constituent minerals, discussion is given on the phase relations among orthopyroxene, garnet and biotite under the granulite facies metamorphic condition in the region, compared especially with those in the case of peninsular India.

• 国立極地研究所の論文

著者

• Suzuki Morihisa

  Institute Of Geology And Mineralogy Faculty Of Science Hiroshima University

関連論文

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• PETROCHEMICAL CHARACTERISTICS OF SOME ULTRAMAFIC GRANULITES IN ONGUL ISLANDS, EAST ANTARCTICA
• On the association of orthopyroxene-garnet-biotite found in the Lutzow-Holmbukta region, East Antarctica
• Preliminary note on the metamorphic conditions around Lutzow-Holm Bay, East Antarctica
• Petrological note on some metamorphic rocks from Skallen, East Antarctica (abstract)
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