La Candelaria copper-gold mine, 20 km south of Copaipo, northern Chile - (Left) two walls of the open pit in October 2001.   Upper right - David Cass (left) and Ed Yarrow of Anglo American, North America discuss ore textures.   Lower right - senior mine geologist Raul Nuñez discusses the deposit with Tim Moody of Rio Tinto, Peru (left).

Photographs by Mike Porter