The Rio Tinto runs from the Sierra Moreno Mountains down to the Gulf of Cádiz in Huelva, Spain. Rio Tinto translates into red river and this is exactly how the river appears. High levels of iron in the water cause the red coloring of the river.
The Diavik Diamond Mine is a diamond mine in the North Slave Region of the Northwest Territories, Canada, about 300 kilometres miles) north of Yellowknife. It has become an important part of the regional economy
The EKATI Diamond Mine ("EKATI") is Canada's first surface and underground diamond mine. It is located 310 kilometres mi) north-east of Yellowknife, Northwest Territories, and about 200 kilometres mi) south of the Arctic circle, near Lac de Gras.