Memoirs of the Faculty of Education, Shimane University. Natural science

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Memoirs of the Faculty of Education, Shimane University. Natural science 3
1970-02-28 発行

島根半島大歳産流紋岩中の松脂岩包有岩の岩石学的意義

Petrological Significance of the Pitchstone Xenolith Included in Plagioliparite from Otoshi District,Shimane Prefecture, Japan
Miura, Kiyoshi
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Description
Pitchstones are found as xenoliths in the plagioliparite from Otoshi district. Althouth these are weathered to montmorillonite clay in many outcrops, the fresh rocks studied were corrected with difficulty.
In this paper the author wishes to express on the petrological significance of the pitchstone xenolith included in plagioliparite.