On the Scapolite-Plagioclase Equilibrium Found in the Cape Omega and East Ongul Island Areas, East Antarctica

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概要

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• The association of scapolite and plagioclase from the Cape Omega and East Ongul Island areas of East Antarctica is briefly discussed with special reference to the petrogenetic significance. In the former area, the association is found in metabasites enclosed in the amphibolite facies metamorphites and pink granite. In the latter area, the association is observed in the feldspathic rock, which seems to be emplaced in the granulite facies rocks. Based on the mineralogical investigations, the association in the Cape Omega area suggests the equilibration under the granulite facies, while that in East Ongul Island under the amphibolite facies or lower. Summarizing the geological and petrological characters of the metamorphites concerned, the time and space relationship of metamorphic processes between the two areas are discussed.

• 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

• Short note on ultramafic granulites in the Ongul Islands area, East Antarctica
• Metamorphic and Plutonic Rocks in the Cape Omega Area, East Antarctica
• A review of the tectonic and metamorphic history of the region around Lutzow-Holmbunta, East Antarctica (abstract)
• 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)
• Metabasites of the Cape Omega area, East Antarctica
• Reexamination of metapelites in the Cape Omega area, westernmost part of Prince Olav Coast, East Antarctica
• On the Scapolite-Plagioclase Equilibrium Found in the Cape Omega and East Ongul Island Areas, East Antarctica

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