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‡ì ‰ÎŽRŠâ•”‘w (‘å’Ë, 1933) ’Ò–ì‚Ù‚©, 2018

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Aikawa Volcanic Rock Member (Otuka, 1933) Tuzino et al., 2018

•Ê–¼ (–³Œø): ‡ì ˆÀŽRŠâ•”‘w, Aikawa Andesite, ‡ì ˆÀŽRŠâ‹y‚щ΍ӊ╔‘w, ’¹‰z ˆÀŽRŠâ—Þ (‚Ƃ育‚¦)

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