Gold Fields to up output at South Deep mine

Gold Fields (GFIJ.J), the world's No. 4 gold producer, has started deepening a shaft at its South Deep mine in South Africa, one of the world's largest gold mines, in a bid to boost output. Read more at http://www.mineweb.com/mineweb/view/mineweb/en/page34?oid=103165&sn=Detail