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What is the purpose of a tailings dam?
Tailings dams are used to store water and waste that come as by products from the mining process. It is estimated there are at least 3,500 tailings dams around the world
What type of ore is found in Lepanto mining?
The principal ore minerals of the Lepanto copper-gold deposit are enargite and luzonite, with significant presence of tennantite-tetrahedrite, chalcopyrite, sphalerite, galena, native gold/electrum and gold-silver tellurides.
Why are tailings a problem?
Tailings can contaminate aquatic life with toxic heavy metals and milling chemicals. Some metals, particularly mercury, may bioaccumulate up the food chain, ultimately harming humans. It causes turbidity (murkiness from suspended particles) and reduces oxygen levels which directly impacts aquatic life
What is the history of Lepanto consolidated mining company?
Lepanto Consolidated Mining Company (LC) was incorporated on September 8, 1936 primarily to engage in the exploration and mining of gold, silver, copper, lead, zinc, and all kinds of ores, metals, minerals, oil, gas, and coal and their related by-products.
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