Matsuo [village] - Matsuo

Japanese: 松尾[村] - まつお

A village in Iwate County, northwest of Iwate Prefecture. Population 6,925 (1995). Hachimantai to the northwest and Mt. Iwate to the south rise up, and the Aka River and Matsukawa River flow eastward, originating from these mountain ranges. Matsuo Mine, Japan's largest sulfur mine, is located at the southeastern foot of Mt. Chausu in the Hachimantai volcanic group. Refined sulfur and iron sulfide ore were transported from the mining village's yashikidai, but it closed in 1969. When the mine was in operation, wastewater flowed into the Matsukawa River, and even stained the riverbed of the main Kitakami River brown. The vast former mine site has been turned into a school and residential area.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

岩手県北西部，岩手郡の村。人口6925(1995)。北西に八幡平，南に岩手山がそびえ，これらの山群を源流とする赤川と松川が東流する。八幡平火山群中の茶臼岳南東麓には日本最大の硫黄鉱山の松尾鉱山があり，精製硫黄や硫化鉄鉱を鉱山集落の屋敷台から搬出していたが，1969年閉山した。鉱山が稼働していた時期にはその排水が松川に流入し，本流の北上川の河床をも褐色に染めていた。広大な鉱山跡地は学校や住宅地となっている。

出典　株式会社平凡社世界大百科事典第２版について　情報

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