Additionally, Bolivia has increased zinc production, extracting more than 100,000 tons each year.

The Polaris mine closed in July 2002 following more than twenty years of zinc production.

In 1990, it accounted for 12% of the world's zinc production.

Zinc reserves were large, 530,000 tons, and the expansion of zinc production enjoyed growing government support.

Red Dog accounts for 10% of the world's zinc production.

The indium is leached from slag and dust of zinc production.

Next month, zinc production is to start at a new $50 million Chinese mine in eastern Mongolia.

Peak year for zinc production in Wales.

Whereas the sphalerite for zinc production is the minor source.

It is a centre of zinc production and home to a plant owned by Nyrstar.