Oya Mine
県北東部の気仙沼市本吉町で操業した金鉱山。
日本鉱業によって近代化が進められ、昭和期に国内有数の鉱山に成長しました。
1976 年閉山
The gold mine operated in Motoyoshi Town, Kesennuma City, in the northeastern part of the prefecture.
Modern equipment was introduced by Nippon Mining Co., Ltd., and the mine grew into one of Japan's largest gold mines in the middle of the 20th century.
closure in 1976