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Japanese platinum localities

33 localities

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

Minerals described as "placer platinum" is mostly osmium.

Year of description

Location (Prefecture, Synonym, Comments)

Year 1886

Hokkaido (as "placer platinum")

Year 1896

Tonashubetsu river (Hokkaido, Sorachi river, Placer)

Year 1899

Yubari river (Hokkaido)

Year 1900

Tsutani (Miyagi, Motoyoshias, "placer platinum"), Torikawa river (Yamagata, Mogami, as "placer platinum"), Ono (Tokushima, Yamashiro vallye, Placer), Yamano (Kagoshima, Isa, as "placer platinum")

Year 1904

Peichan river (Hokkaido, Esashi), Nishi-Mikawa (Niigata, Sado island)

Year 1912

Horokauriribetsu river (Hokkaido, as "placer platinum"), Panbetsu river (Hokkaido, Mitsuishi river, as "placer platinum"), Moyuparo river (Hokkaido, Yubari, as "placer platinum")

Year 1913

Miura mine (Hokkaido, as "placer platinum")

Year 1922

Sakin creek (Hokkaido, Soushinai, as "placer platinum")

See Japanese page for more localities.