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Okushibetsu Plutonic Complex
- Okushibetsu Plutonic Complex
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- Tadoshunai mass (Quartz diorite)
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- Sakkuru Higashi mass (Troctolite, Olivine gabbro, Diorite)
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- Sakkuru Nishi mass (Troctolite, Olivine gabbro, Diorite, 23.0 Ma K-Ar)
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- Moshiri mass (Diorite, Tonalite)
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- Towari mass (Hornblende gabbro)
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- Kuounai mass (Troctolite, Olivine gabbro, Hornblende gabbro)
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- Penkenukananpu mass (Hornblende gabbro, Quartz diorite)
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- Kenashi mass (Biotite granite, 45.4, 44.9 Ma K-Ar)
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- Hidaka Plutonic Rocks (North)
- [ North ]
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- Occhube Plutonic Complex (16.5, 16.0 Ma, K-Ar)
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- Monbetsu mass (41.5 Ma, K-Ar)
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- Uttsudake mass (43.4 Ma, K-Ar)
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- Okushibetsu Plutonic Complex
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- Aibetsu mass (18.4, 18.6 Ma, K-Ar)
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- Shirataki mass (26.2, 25.0 Ma, K-Ar)
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- Ichinohashi mass (44.1, 46.0 Ma, K-Ar)
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- Tottabetsu Body
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- [ South ]
------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Lake Iwaonai, Iwaonai, Asahi village, Shibetsu city, Hokkaido, Upper reaches of Teshio river, Hokkaido
- Maeda et al. (2014) Jour. Geol. Soc. Japan, vol.120, no.8, pp.273-280 DOI