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Miyamori Complex

Synonym: Miyamori Ultramafic Complex, Miyamori Ultrabasic Rocks

• Ophiolite
• Island arc ophiolite
• Ordovician (484, 477, 469, 445 Ma, K-Ar)
• Correlation: Hayachine Complex (Same ophiolite)
• Intruded by: Hitokabe Granodiorite

• Lithofacies: Harzburgite, Dunite

• Distribution (Width): ca. 6 km
• Distribution (Length): ca. 30 km

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

• Distribution: Miyamori, Tono city, Iwate pref.

• Ozawa et al. (2013) Jour. Geol. Soc. Japan, vol.119, Supplement, pp.134-153 DOI
• Kawamura et al. (2013) Geology of the Hayachine San District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 101p. (in Japanese with English abstract 4p.)
• Hirokawa and Yoshida (1956) Ohazama, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 31p. (in Japanese with English abstract 9p.)