Shakanai mine
Ōdate, Japan
Shakanai Mine (Shakanai kōzan) is one of the largest lead and zinc mines in Japan. The mine is located in northern Japan in Akita Prefecture. The mine has reserves amounting to 30 million tonnes of ore grading 0.9% lead, 3.3% zinc, 0.34 million oz of gold and 73.9 million oz of silver.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).