Underground, Sibanye miners and security workers showed a Reuters reporting team the kind of spot favoured by illegal miners, an area where ore blasted in legal mining operations has been scraped away from the rockface.
There, zamas wash rocks that have been left behind over a metal plate wrapped in carpet. The gold-bearing material gets caught in the carpet, which is then washed out in a bucket of water. After mercury is added, presto: a nugget that may be 50% gold.
No comments:
Post a Comment