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Fudeshima volcano

• Volcanic rocks
• Stratovolcano
• late Pliocene - Pleistocene (< 2.41 Ma, K-Ar)
• Intruded by: Basalt dykes

• Lithofacies: Low-alkaline tholeiite series
• Lithofacies: Pyroxene olivine basalt, Olivine basalt lava, Scoria fall deposit, Welded spatter, Vent-fill breccia

• Source: in the vicinity of Fudeshima island
• Thickness: 950 m
• Distribution: 3.5 km or more
• Upper limit: Unconformity (Older edifice)

• Distribution: southern part of east coast of Izu-Oshima island
• Distribution: opposite bank of Fudeshima island - Funo fall - Kakihara shore - Nejinohana, Oshima city, Tokyo

• Isshiki (1984) Geology of the Oshima District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 133p. (in Japanese with English abstract 5p.)