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Japanese Illite/Montmorillonite interstratified mineral localities

41 localities

A list of Japanese Illite/Montmorillonite interstratified mineral 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 1958

Mitsui-Sunagawa coal mine (Hokkaido), Mitsui-Ashibetsu coal mine (Hokkaido), Mitsui-Bibai coal mine (Hokkaido), Kanakura mine (Nagano)

Year 1959

Kami-Sunagawa (Hokkaido)

Year 1963

Ishigamori mine (Fukushima, Aizu mine)

Year 1967

Minakami (Gunma, Metasomatic)

Year 1968

Itomuka mine (Hokkaido)

Year 1969

Utashinai coal mine (Hokkaido), Kumanokusa (Tochigi, Terashima), Takatama mine (Fukushima), Iwami mine (Shimane, Cu), Kurosawa mine (Fukushima, Asahi mine), Kawanabe (Kagoshima, meta)

Year 1970

Naegi mine (Gifu), Oze (Gunma, meta)

Year 1972

Ryushoden mine (Hokkaido, Hokuchin mine), Mount Akayu (Niigata, Minami-Uonuma), Maruo (Kagoshima)

Year 1973

Shakanai mine (Akita)

See Japanese page for more localities.