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Japanese iridium localities

16 localities

A list of Japanese iridium localities described in citable papers and books. The list is edited based on the editing policy of location lists.

Year of description

Location (Prefecture, Synonym, Comments)

Year 1936

Niseparomappu river (Hokkaido, Uryu river, as Ruthenosmiridium)

Year 1972

Teshio (Hokkaido)

Year 1993

Fukuyama (Hokkaido, Mukawa, Placer)

Year 2001

Nogami (Saitama, Nagatoro, Arakawa river)

Year 2008

Hakkin river (Hokkaido, Placer), Takadomari (Hokkaido, Uryu river, Placer), Fukuhara mine (Hokkaido, Wasamu, Placer), Onnebetsu river-9-sen (Hokkaido, Onwa, Placer), Takasu mine (Hokkaido, Placer), Numata (Hokkaido, Uryu river, Placer), Onnebtsu river (Hokkaido, Onwa, Placer), Inuushibetsu-3-sen (Hokkaido, Placer), Ororoppu creek( Hokkaido, Mukawa, Placer), Pinneshiri (Hokkaido, Placer), Shuma river (Hokkaido, Teshio, Placer), Hamatonbetsu (Hokkaido, Placer)