|Company||KGHM Polska Miedź|
The Rudna mine is a large underground mine in the west of Poland in Polkowice, Polkowice County, 350 kilometres (217 miles) south-west of the capital, Warsaw. Rudna represents one of the largest copper and silver reserve in Poland having estimated reserves of 513 million tonnes of ore grading 1.78% copper and 42 g/tonnes silver. The annual ore production is around 13 million tonnes from which 231,000 tonnes of copper and 546 tonnes of silver are extracted.
On 29 November 2016, a magnitude 4.4 earthquake at shallow depth left eight miners dead.
- "Resource base". KGHM Polska Miedź. 2010. Retrieved 2010-09-28.
- Dariusz, Wyborski (20 Mar 2013). "Poland quake-trapped miners rescued". Al Jazeera English. Al Jazeera. Retrieved 2013-03-21.
- "Polish rescue workers reach 19 miners trapped in collapsed shaft". NBC News. Retrieved 20 March 2013.
- url = http://www.tvp.info/28038927/robilismy-wszystko-by-ocalic-gornikow-niestety-przegralismy--osiem-ofiar-wstrzasu-w-kopalni-rudna%7Caccess-date=2016-11-30
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