Top 10 Silver Mining Companies By Output. Located in the vast landscape of the Atacama Desert in Chile, the Escondida Copper Mine is one of the largest open pit mines in the world. A tiny, unknown, and less-than $10-per-share firm (with the backing of the world’s 2 best mining investors) has discovered the biggest silver mine in history – and is about to make some people rich.” The mine ranks as the third deepest open-pit operation. The world’s second largest primary silver mine, Tahoe Resources Escobal Mine, was forced to shut down operations in Guatemala by a ruling from the country’s Supreme Court. The 10 biggest silver mines in the world Penasquito, Mexico. “It’s the biggest silver opportunity in 50 years. List of SILVER mining companies with access to company profiles, projects, resources and reserves and technical analysis. Polkowice-Sieroszowice It involved mining the ore in underground galleries, washing the ores and smelting it … Earlier, a large silver deposit with reserves of 2,661 tons was discovered in the province’s Tongbai County. There are different ways to define the largest silver mining companies in the world. They own 44% and are not the operator (Fresnillo is building the mine). MAG Silver has a large development project (Juanicipio) in Mexico. A recent report by the US-based Silver Institute said that China will play a major role in the global silver market for years to come, both as an industrial user and a silver miner. The ore deposit was discovered by BHP Minerals in 1990, and full production was reached in 1999. Located in northwest Queensland, Australia, the mine employs 600 workers and 300 contractors. Penasquito, located in the north-eastern part of the state of Zacatecas, Mexico, is the world’s... Polkowice-Sieroszowice, Poland. It will be one of the largest silver mines in the world. 2. The silver mine is a fly-in fly-out operation, and it is 83 kilometers from the nearest town of McKinley. The world’s second largest primary silver mine, Tahoe Resources Escobal Mine, was forced to shut down operations in Guatemala by a ruling from the country’s Supreme Court. Consisting of two open mines – Escondida Pit and Escondida Norta – the mine is 3.9 kilometer long, 2.7 kilometers wide and 645 meters deep. Cannington is the world’s largest silver and lead mine. The world’s biggest silver mine by reserve is located in the north-eastern part of the State of Zacatecas, Mexico, and operated by Goldcorp. The silver mines at Laurium were very rich and helped provide a currency for the economy of Ancient Athens. This can be done through stock market capitalization or future production calculations.