Massive ore deposits of copper, lead, zinc, silver, gold and other metals formed in this way.

ECONOMIST: Minerals

Hellas Gold holds mining licenses for an area covering 317 square kilometers (122 square miles) with proven and probable reserves of lead, zinc, silver, gold and copper.

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The Company has interests in mining for aluminum, borax, coal, copper, gold, iron ore, lead, silver, tin, uranium, zinc, titanium, dioxide feedstock, diamonds, talc and zircon.

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The sludge inside the tank contains chunks of solids, many common metals including aluminum, nickel, lead, silver, copper, titanium, and zinc and other common elements.

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For instance, silver grades have been between 15 and 65 ounces per ton, with combined lead and zinc in excess of 15%.

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