East Japan volcanic-plutonic belt 

(Neogene to Holocene) 

(Hokkaido Island, Japan, units Qvf, QTvf)

Consists chiefly of Neogene to Holocene large andesite and rhyolite and lesser basalt volcanoes, dacite to 
andesite and lesser basalt lava, tuff, breccia, volcanic avalanche deposits and domes, and minor 
intermediate-composition plutons. Major modern volcanoes occur at Oshima-oshima, E-san, Komagatake, 
Kariba, Raiden, Niseko, Toya, Usu, Yotei, Shikotsu, Tarumae, Tokachi, Daisetsu, Akan, Kutcharo, Masyu, 
and Shiretoko. Coeval with volcanic part of Kuril arc to northeast. Overlies many terranes of Hokkaido, i.e. 
Oshima, Sorachi-Yezo, Kamuikotan, Hidaka, Tokoro and Nemuro terranes.