CHAPTER 2 Matter and Minerals
58
FIGURE 2.29 Aerial view of Bingham Canyon copper mine near Salt Lake City, Utah. Although the amount of copper in
the rock is less than 1 percent, the huge volume of material removed and processed each day (about 200,000 tons)
yields enough metal to be profitable. (Photo by Michael Collier)
Précédent

- 82/578

Suivant