Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
Amygdaloidal andesitic volcanics. Politically belongs to Tokyo Prefecture, although it lies in the Pacific Ocean far south of Honshu Island (where the city of Tokyo itself is located), about 1,000 km SSE of Tokyo city. Type locality for the volcanic rock type "boninite". Nature protected area.
Mineral ListMineral list contains entries from the region specified including sub-localities
25 entries listed. 12 valid minerals.
Localities in this Region
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Locality Updated: Amazonite pegmatite, Laitila, Southwestern Finland Region, FinlandFrom Ilkka Mikkola, 4th Dec 2013 23:11:27