The extraction process is very different from what most people imagine when they think of gold mines. Newmont is not finding gold nuggets in a cave, it is collecting tiny, microscopic fragments of gold from large quantities of dirt and sand that they excavate from gigantic open pit mines.
They have to use a mixture of water and cyanide to separate the gold fragments from the dirt. The process obviously produces large amounts of toxic waste water. This requires very specific technology, for example, powerful water treatment plants and top-notch waste storage facilities, all of which are completely absent from Yanacocha.
Because Newmont lacks these technologies, the water does not get fully treated and it gets dumped into waste reservoirs where it leaks into the subterranean water table along with the cyanide and many other chemicals like lead, arsenic and mercury.
This process is being used at Yanacocha and it will be the same for Conga. It’s an environmental disaster. As far as I know, Newmont’s mining practices are prohibited in all the European Union, the United states, Argentina and Germany. The chemicals they dump in our water system can’t be boiled out. We, as Cajamarcans, consume them every day.
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