Africa's mines ditch polluting practices to produce its

  • 11 years ago
read more: http://www.topix.com/forum/business/TB8D5BTMK3EC3EM1B https://groups.diigo.com/group/tana-goldfields-articles/content/tana-goldfields-articles-10-tips-how-to-avoid-gold-investment-scams-10180248

Workers mix gold ore with mercury and pan it to separate gold particles at the Nsangano gold mine in Geita, north Tanzania.

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