Base and Precious Metals
David Zurbuchen
12/16/05
All numbers are in metric tons (t) unless stated otherwise
Import/Export values are the difference of the two.
(http://minerals.usgs.gov/minerals/pubs/of01-006/)
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Since 1900, Worldwide Aluminum production has grown 225% faster than US Production, the US consuming about 70% more than she mines every year.
|
Aluminum Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Consumption |
|
1920 |
76,710 |
13,500 |
0 |
76,200 |
|
1935 |
100,700 |
7,900 |
0 |
62,000 |
|
1950 |
803,900 |
20,700 |
0 |
871,000 |
|
1975 |
3,824,000 |
100,000 |
0 |
2,730,000 |
|
2002 |
3,877,000 |
2,470,000 |
0 |
6,320,000 |
Since 1900, Worldwide Copper Production has grown 485% faster than US Production, the US consuming about 50% more than she mines every year.
|
Copper Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Consumption |
|
1900 |
291,000 |
0 |
126,000 |
166,000 |
|
1920 |
845,000 |
0 |
201,000 |
375,000 |
|
1940 |
1,493,000 |
0 |
261,000 |
1,090,000 |
|
1960 |
1,770,000 |
0 |
239,000 |
1,230,000 |
|
1980 |
1,833,000 |
413,000 |
0 |
1,860,000 |
|
2002 |
1,648,000 |
900,000 |
0 |
2,370,000 |
Since 1900, Worldwide Lead Production has kept pace with US Production, though the US still consumes an average of about 20% more than she mines every year.
|
Lead Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Apparent Consumption |
|
1915 |
615,600 |
0 |
120,400 |
492,000 |
|
1930 |
835,000 |
0 |
44,000 |
791,000 |
|
1945 |
731,000 |
208,000 |
0 |
915,000 |
|
1960 |
580,000 |
184,600 |
0 |
720,000 |
|
1975 |
1,091,000 |
35,000 |
0 |
1,040,000 |
|
1990 |
1,282,000 |
33,000 |
0 |
1,300,000 |
|
2002 |
1,332,000 |
175,000 |
0 |
1,510,000 |
Since 1911, Worldwide Nickel Production has grown only half as fast as US Production, though the US still consumes over 90% more than she mines every year.
|
Nickel Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Apparent Consumption |
|
1920 |
2,330 |
21,450 |
0 |
23,800 |
|
1940 |
4,270 |
68,900 |
0 |
76,600 |
|
1960 |
21,560 |
51,700 |
0 |
98,100 |
|
1980 |
54,900 |
154,300 |
0 |
187,000 |
|
2002 |
99,800 |
84,100 |
0 |
221,000 |
Since 1915, Worldwide Platinum (Group) Production has kept pace with US Production , though the US still consumes at least 100% more than she mines every year.
|
Platinum-Group Metals Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Reported Consumption |
|
1921 |
.03 |
2 |
0 |
5.48 |
|
1940 |
3 |
4 |
0 |
4.72 |
|
1960 |
27 |
19 |
0 |
26.9 |
|
1980 |
44 |
85 |
0 |
83.1 |
|
1993 |
67 |
75 |
0 |
66.8 |
|
2000 |
13.4 ?? |
225 |
0 |
?? |
Since 1900, Worldwide Silver Production has grown 467% faster than US Production, the US consuming an average of 100% more than she mines every year.
|
Silver Data |
||||
|
Year |
Mine Production |
Imports |
Exports |
Apparent Consumption |
|
1908 |
1,580 |
0 |
230 |
630 |
|
1918 |
2,120 |
0 |
5,640 |
831 |
|
1930 |
1,480 |
0 |
1,050 |
836 |
|
1950 |
1,420 |
2,170 |
0 |
3,420 |
|
1970 |
2,530 |
380 |
0 |
3,990 |
|
1990 |
1,940 |
1,960 |
0 |
4,360 |
|
2002 |
2,580 |
3,400 |
0 |
5,340 |
Since 1900, Worldwide Zinc Production has grown 663% faster than US Production, the US consuming about 200% more than she mines every year.
|
Zinc Data |
||||
|
Year |
Total Production |
Imports |
Exports |
Apparent Consumption |
|
1928 |
591,000 |
0 |
20,000 |
468,000 |
|
1938 |
433,700 |
6,560 |
0 |
382,000 |
|
1958 |
751,300 |
166,000 |
0 |
788,000 |
|
1978 |
441,800 |
621,000 |
0 |
1,050,000 |
|
1998 |
368,000 |
877,000 |
0 |
1,290,000 |
|
2002 |
295,000 |
873,000 |
0 |
1,170,000 |
