[ Top ] [ Japanese ]

Okukurobe Granite Harayama et al., 1991

• Type locality: Higashisawatani valley, Toyama city, Toyama prefecture
• Type locality (Marginal): Akaushizawa creek, Toyama city, Toyama prefecture
• Plutonic rocks
• Paleocene (65.1 Ma, U-Pb; 63.6 - 59.1 Ma, K-Ar; 54.1 Ma, FT)
• Intruded by: Kosubarisawa Granite, Sugosawa Dike
• Intruded in: Okumayama Granodiorite, Oyamadan Granite, Kanakido Tonalite, Ariake Granite, Jinzu Group

• Sedimentary facies: Batholith
• Lithofacies: Hornblende biotite Granite
• Lithofacies (Marginal): Aplite, Porphyritic granite

• Distribution: ca. 130 km²
• Upper limit: Unconformity (Kuchimotonotarusawa Dacite, Yomiurishindo Andesite, Yakushimidaira Dacite)

• Distribution: Higashisawatani valley - Akaushizawa creek - Sugoninosawa creek - Rokazawa creek - Mount Kobikiyama - Lake Kurobeko - Minamiawa creek - Mount Funakubodake - Mount Ecchuzawadake - Kinsakudani valley - Iwanorikotani valley - Tateishi - Yakushimidaira - Mount Akaushidake - Mount Eboshidake - Mount Mitsudake, Toyama city, Toyama pref.; Onsenzawa creek - Bunatate ridge - Fudosawa creek - Mount Minamisawadake, Omachi city, Nagano pref.

• Ito et al. (2012) Jour. Geol. Soc. Japan, vol.118, no.7, pp.449-456 DOI
• 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.)
• Harayama et al. (1991) Geology of the Yarigatake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 190p. (in Japanese with English abstract 8p.)