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Kiyotsukyo Quartz Diorite Porphyry

• Plutonic rocks
• middle Miocene - Pliocene
• Intruded in: Uwano Formation, Osawa Formation, Kiyotsu Formation

• Lithofacies: Quartz diorite porphyry
• Lithofacies (Minor, Sills): Porphyrites

• Distribution: 7 x 3 km²

• Distribution: Kiyotsu valley - Mount Mitako, Tokamachi city, Niigata pref.

• Shimazu and Tateishi (1993) Geology of the Naebasan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 90p. (in Japanese with English abstract 5p.)
• Chihara et al. (1981) Geology of the Echigo-Yuzawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 108p. (in Japanese with English abstract 8p.)