page_title: Kosaka mine
hierarchical_section_title: Kosaka mine
caption_attribution_description: English: Kosaka Mine in 1930s日本語: 1930年代の小坂鉱山
context_page_description: The Kosaka mine 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.
context_section_description: 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.
caption: Kosaka Mine in the 1930s
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