m. This mineral is used in the production of aerospace alloys, as well as in steel making.
8. Copper. This mineral is used in the production of electronic products.
9. Fluorspar. This mineral is used in metallurgical processes and in the production of chemicals.
10. Gold. This mineral is used in the production of electronic products.
11. Graphite. This mineral is used in metallurgical processes.
12. Iron. This mineral is used in the production of steel.
13. Manganese. This mineral is used in the production of steel.
14. Molybdenum. This mineral is used in the production of aerospace and other national defense related alloys.
15. Nickel. This mineral is used in the production of aerospace and other national defense related alloys.
16. Platinum. This mineral is used in the production of electronic products and in chemical production.
17. Sheet Mica. This mineral is used in electronics manufacture.
18. Silver. This mineral is used in the production of electronic products.
19. Tantalum. This mineral is used in the production of electronic components.
20. Titanium. This mineral is used in the production of aerospace alloys.
21. Vanadium. This mineral is used in the production of electronic products.
Minerals of Strategic Significance to the
United States That Must Be Imported to Meet Industrial and National
A significant proportion of the minerals that are of strategic significance to the United States must be imported to meet industrial and national defense demands. These minerals, together with the proportion of American consumption that must be imported, are as follows (Bureau of Mines, 1990):
1. Barite. The proportion of this mineral which must be imported is 71 percent.
2. Bauxite. The proportion of this mineral which must be imported is 97 percent.
3. Cadmium. The proportion of this mineral which must be imported is 62 percent.
4. Cel...