Matsuo mine

Japanese: 松尾鉱山 - まつおこうざん

A sulfur mine located in Matsuo Village, Iwate County, Iwate Prefecture (now Hachimantai City). It is located on the southeastern foot of Chausu-dake in the Hachimantai volcanic group, and a large sulfur outcrop was discovered there in 1882. It was run by Matsuo Mining Co., Ltd. from 1914 onwards, and its heyday was from 1950 to 1953. As the largest sulfur mine in Japan, it produced approximately 90,000 tons of refined sulfur and approximately 500,000 tons of pyrite (crude ore) in 1968, but closed in 1969 due to the widespread use of sulfur recovery through desulfurization of refining exhaust gas and flue gas from thermal power plants.

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

岩手県岩手郡松尾村（現・八幡平市）にあった硫黄鉱山。八幡平(はちまんたい)火山群中の茶臼岳南東麓にあり，1882年硫黄の大露頭が発見された。1914年以後松尾鉱業が経営，最盛期は1950年―1953年。日本最大の硫黄鉱山として，1968年には，精製硫黄約９万t，硫化鉄鉱（粗鉱）約50万tを産したが，精錬排ガスや火力発電所の排煙の脱硫による硫黄の回収が普及したため1969年閉山。

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