Otagiri Granite

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Otagiri Granite

Plutonic rocks
Late Cretaceus
Intruded by: Pegmatite, Aplite

Lithofacies: Two-mica granite
Lithofacies (Minor): Biotite granite

Younger Roke Granitoids (Kiso, Nagano pref.)
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Kisokoma Granite
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Inagawa Granite
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Otagiri Granite
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Ichida Granite
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Surikogi Granite
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Ryoke Belt
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Ryoke Metamorphic Rocks
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Younger Roke Granitoids
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Older Ryoke Granitoids
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------ Transitional, ~~~~~~ Intrusive, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Otagirigawa river - Kurokawa river, Komagane city, Nagano pref.

Murayama and Katada (1957) Akaho, Explanatory Text of the Geological Map of Japan, Scale 1:50,000, Geological Survey of Japan, 45p. (in Japanese with English abstract 6p.)