Major Element Chemistry of Metamorphic Rocks of the Cape Hinode District, East Antarctica

• Main Authors: Kanisawa, Satoshi, Yanai, Keizo, Ishikawa, Ken'ichi
• Language: English
• Published: 1979
• Subjects: Cape Hinode; East Antarctica; Antarc*; Antarctica; Memoirs of National Institute of Polar Research; Polar Research
• Online Access: https://nipr.repo.nii.ac.jp/record/1030/files/KJ00000011574.pdf

P(論文) Metamorphic rocks of the Cape Hinode district have the mineral assemblages of the amphibolite facies and have the chemical composition poor in K_2O even in SiO_2-rich rocks. They show lower K_2O/Na_2O and higher Fe_2O_3/FeO ratios than those of the Lutzow-Holmbukta region. The fluorine content in metabasites of the Cape Hinode and Lutzow-Holmbukta districts shows positive correlation with K_2O, and the F/K_2O ratio is slightly higher than that of the continental basalt series. The amount of fluorine decreases with increasing SiO_2 content in most of rock types. departmental bulletin paper