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•ä‚ ˆĄŽRŠā—Ž Œ“ŽR, 1975

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Hotaka Andesites Harayama, 1975

•Ź–¼: ‘„-•ä‚ ƒJƒ‹ƒfƒ‰–„Ļ‰ĪŽRŠā—Ž, Yari-Hotaka Caldera volcanic fills

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