TABLE 1JAPAN MINERALS YEARBOOK—1988  289 
JAPAN: PRODUCTION OF MINERAL COMMODITIES1 
(Metric tons unless otherwise specified) 
 
Commodity 
1984 
1985 
1986 
1 987 
 
l988~ 
METALS 
1,172 
978 
607 
358 
 
415 
Aluminum: 
 
 
 
 
 
 
Alumina, gross weight thousand tons 
 
 
 
 
 
 
Metal: 
287 
227 
140 
41 
 
35 
Primary: 
 
 
 
 
 
 
Regular grades do. 
 
 
 
 
 
 
High-purity do. 
4 
5 
8 
12 
 
14 
Secondary do. 
81 9 
861 
~872 
894 
 
954 
Antimony: 
9,698 
8,243 
9,677 
9,805 
 
10,661 
Oxide 
 
 
 
 
 
 
Metal 
253 
296 
194 
196 
 
185 
Arsenic, white (equivalent of arsenic acid)e 
500 
500 
500 
500 
 
500 
Bismuth 
563 
642 
640 
546 
 
524 
Cadmium 
2,423 
2,535 
2,489 
2,450 
 
2,593 
Chromium: 
7,420 
1 1 920 
1 0,642 
1 1 81 5 
 
9,508 
Chromite, gross weight 
 
 
 
 
 
 
Metal 
3,452 
3,557 
2,987 
3,235 
 
~3600 
Cobalt metal 
905 
1 277 
1 338 
1 24 
 
109 
Columbium and tantalum: Tantalum metal 
~96 
F77 
~66 
87 
 
123 
Copper: 
43,309 
43,208 
34,924 
23,81 7 
 
16,666 
Mine output, Cu content 
 
 
 
 
 
 
Metal: 
821,100 
802,300 
827,700 
871,000 
 
854,600 
Blister and anode: 
 
 
 
 
 
 
Primary 
 
 
 
 
 
 
Secondary 
107,900 
130,300 
124,400 
109,200 
 
139,400 
Total 
929,000 
932,600 
962,100 
980,200 
 
994,000 
Refined: 
821,064 
802,341 
827,657 
870,994 
 
854,599 
Primary 
 
 
 
 
 
 
Secondary 
1 1 4,092 
1 33,636 
1 1 5,380 
1 09,355 
 
100,509 
Total 
935,156 
935,977 
943,037 
980,349 
 
955,108 
Gallium metal: 
10 
10 
10 
10 
 
6 
Primary 
 
 
 
 
 
 
Secondary 
7 
10 
rio 
16 
 
28 
Germanium: 
ii 
14 
14 
13 
 
14 
Oxide 
 
 
 
 
 
 
Metal 
8 
10 
9 
5 
 
4 
Gold: 
104 
171 
331 
276 
 
235 
Mine output, Au content thousand troy ounces 
 
 
 
 
 
 
Metal do. 
1,342 
1,383 
1,575 
1,802 
 
2,959 
Indium metal do. 
482 
514 
579 
875 
 
1,554 
5ee footnotes at end of table.