[ Top ] [ Japanese ]

Oyamadan Granite Harayama et al., 2000

Invalid synonym: Oyama-dani Granite

• Type locality: 1,480 m above sea level, Oyamadan valley, Tateyama city, Nakaniikawa county, Toyama prefecture
• Plutonic rocks
• Paleocene? (60 Ma)
• Intruded by: Okukurobe Granite, Kosubarisawa Granite, Andesite dikes
• Intruded in: Okumayama Granodiorite

• Lithofacies: Biotite granite

• Distribution: Oyamadan valley - Lake Kurobeko - Harinokisawa creek - Motosawabogawa river - Subarisawa creek - Tanbosawa creek, Tateyama city, Nakaniikawa county, Toyama pref.; Nakanodan valley - Nukuidan valley - Motokobikidan valley - Zaratoge pass, Toyama city, Toyama pref.

• Harayama et al. (2010) Jour. Geol. Soc. Japan, vol.116, Supplement, pp.63-81 DOI
• Harayama et al. (2000) Geology of the Tateyama District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 218p. (in Japanese with English abstract 6p.)