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Shiroumaishiyama Gabbroic Mass

• Plutonic rocks
• Roof pendant or xenolith of Abukuma Granitic Rocks
• Early Cretaceous
• Correlation: Hayama Gabbroic Mass
• Intruded by: Hiyama mass

• Lithofacies: Magnetite series
• Lithofacies: Pyroxene-bearing hornblende gabbro
• Lithofacies (Minor): Olivine pyroxene hornblende gabbro

• Distribution: 2.5 x 1 km²

• Distribution: Mount Shiroumaishi, Hatsuke, Namie city, Futaba county, Fukushima pref.

• Kubo et al. (2015) Geology of the Kawamata District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 86p. (in Japanese with English abstract 4p.)