[ Top ] [ Japanese ]

Hokogatake Intrusive Rocks

• Plutonic rocks
• Pleistocene (1.35 1.2 Ma, K-Ar)

• Sedimentary facies: Stocks
• Lithofacies: Quartz diorite porphyry, Diorite porphyry

------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Mount Hokogatake, Itoigawa city, Niigata pref.

• Nagamori et al. (2018) Geology of the Itoigawa District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 75p. (in Japanese with English abstract 3p.)
• Akahane and Kato (1989) Geology of the Takada-Seibu District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 89p. (in Japanese with English abstract 3p.)