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At the Barrick gold mine at North Mara, Tanzania, a woman pours mercury into her palm. She mixes the mercury with water and rock fragments to seek gold from bits of waste rock at the Barrick mine. Hundreds of local men and women invade the mine every day, seeking pieces of waste rock that might contain gold. Barrick is investigating allegations that about 10 women who trespassed on the mine were sexually assaulted by about a dozen Barrick security guards and Tanzanian police.Geoffrey York

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Intruders fall upon rocks left by a mine truck searching for gold. (North Mara Mine, Tanzania)David Chancellor/INSTITUTE

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Barrick Private Security vehicle after being stoned by mine intruders. (North Mara Mine, Tanzania)David Chancellor/INSTITUTE

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A Barrick private security officer stands guard at the North Mara mine. While disturbed by what’s happened in Tanzania, Barrick's CEO says shutting down a mine that provides employment and benefits to thousands is not the solution.David Chancellor/INSTITUTE

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Intruders fall upon rocks left by a mine truck searching for gold. (North Mara Mine, Tanzania)David Chancellor/INSTITUTE

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