[ Top ] [ Japanese ]

Nagashima Granite Sato et al., 2022

• Type locality: Nagashima island, Oku town, Setouchi city, Okayama prefecture
• Plutonic rocks
• Cretaceous (85.6 Ma or later)
• Intruded in: Hinase Formation

• Lithofacies: Hornblende biotite granite

• Distribution (East - West): 2.1 km
• Distribution (South - North): 1.1 km
• Magnetic susceptibility: 0.15 x 10^-3 SI or less

• Distribution: Nagashima island, Oku town, Setouchi city, Okayama pref.

• Sato et al. (2022) Geology of the Wake District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 106p. (in Japanese with English abstract 4p.)