Kosaka mine

Kosaka mine
Kosaka Mine in the 1930s
Location
Akita Prefecture
CountryJapan
Production
Productsgold, silver, copper, Lead, Zinc
Owner
CompanyDowa Holdings

The Kosaka mine (小坂鉱山, Kosaka Kozan) was one of the largest copper, lead and zinc mines in Japan. The mine is located in Tōhoku region of northern Japan in the town of Kosaka, Akita Prefecture. The mine had reserves amounting to 30 million tonnes of ore grading 2.84% lead, 8.48% zinc, 1.1 million oz of gold and 177.3 million oz of silver.

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