The 10th deepest open pit mines in the world are raked as follow:
Bingham Canyon Mine (USA): > 1.2 km
Chuquicamata (Chile): > 850m
Escondida (Chile): 645m
Udachny (Russian): 630m
Muruntau (Uzbekistan): > 600m
Fimiston Open Pit (Australia): 600m
Grasberg (Indonesia): > 550m
Betze – Post (USA): > 500m
Nanfen Iron Mine (China): 500m
Aitik (Sweden): 430m