Toyoha mine

{{Infobox mine

| name = Toyoha mine

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| state/province = Hokkaido

| country = Japan

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| products = Lead, Zinc

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File:Toyoha.jpg

The Toyoha mine is one of the largest lead and zinc mines in Japan.{{cite web|url=http://www.docstoc.com/docs/26576831/MINERAL-DEPOSIT-MODELS-FOR-NORTHEAST-ASIA|title=Mineral deposits of Northern Asia|year=2012|publisher=docstoc.com|accessdate=2013-07-10}} The mine is located in northern Japan in Hokkaido. The mine has reserves amounting to 13 million tonnes of ore grading 2.1% lead, 7% zinc and 51.6 million oz of silver. It is located 30 km SW of Sapporo and is very close to an active hydrothermal system.