TABLE 6SOUTHEAST ASIA MINERALS YEARBOOK—1988  407 
INDONESIA: PRODUCTION OF MINERAL COMMODITIES1 
 
(Metric tons unless otherwise specified) 
 
Commodity 
1984 
1985 
1986 
1987 
1988P 
METALS 
1 003 
830 
650 
635 
513 
Aluminum: 
 
 
 
 
 
Bauxite, gross weight thousand tons 
 
 
 
 
 
Metal, primary 
198,960 
216,820 
218,772 
201,402 
185,112 
Chromite sand, dry basis 
— 
— 
— 
— 
7,636 
Copper, mine output, Cu content 
82,503 
88,742 
95,781 
102,058 
121,472 
Gold, mine output, Au content2 troy ounces 
78,677 
p84687 
~1O282O 
1 14,433 
152,104 
Iron and steel: 
82,997 
130,930 
153,271 
193,986 
202,748 
Iron sand, dry basis 
 
 
 
 
 
Metal: 
22,774 
23,789 
22,554 
8,354 
24,324 
Ferroalloys, ferronickel 
 
 
 
 
 
Steel, crude 
1 000,000 
1 200,000 
1 500,000 
1 453,000 
2,050,000 
Manganeseore 
12,267 
~33496 
~6612 
1,855 
10,278 
Nickel: 
47,604 
40,336 
p53679 
57,564 
57,694 
Mine output, Ni content3 
 
 
 
 
 
Metallurgical products: 
22,815 
24,946 
27,975 
26,508 
25,179 
Matte: Ni content 
 
 
 
 
 
Ferronickel: Ni content 
4,826 
4,802 
4,548 
1 683 
4,905 
Silver, mine output, Ag content thousand troy ounces 
r ~ 247 
r ~ 232 
1 498 
1 623 
1,979 
Tin: 
23,223 
21 759 
~2491 0 
26,21 7 
30,589 
Mine output, Sn content 
 
 
 
 
 
Metal 
22,467 
20,909 
~22083 
24,200 
28,366 
INDUSTRIAL MINERALS 
(4) 
(4) 
(4) 
(4) 
(4) 
Asbestose 
 
 
 
 
 
Cement, hydraulic thousand tons 
8,907 
10,081 
10,941 
11,844 
12,242 
Clays: 
12,505 
p6,111 
5,730 
7,171 
3,791 
Bentonite 
 
 
 
 
 
Kaolin powder 
83,414 
~106877 
~132240 
112,046 
139,799 
Diamond: e 
22 
22 
22 
22 
22 
Industrial stones thousand carats 
 
 
 
 
 
Gem do. 
5 
5 
6 
7 
7 
Total do. 
27 
27 
28 
29 
29 
Gypsum 
712 
622 
532 
1,367 
894 
Iodine kilograms 
24,970 
13,416 
5,790 
8,227 
9,753 
Nitrogen: N content of ammonia 
1 658,200 
2,057,300 
2,298,500 
2,363,900 
2,366,700 
Phosphaterock '  
1,917 
525 
p608 
2,592 
411 
Salt, all types thousand tons 
370 
~600 
e~yj 
e~çj~ 
 
Stone: 
3,558 
1 500 
— 
38,492 
70,043 
Dolomite 
 
 
 
 
 
Granite thousand tons 
1,583 
1,421 
~1422 
1,181 
1,122 
Limestone5 do. 
11,314 
11,770 
12,784 
15,571 
12,630 
Marble square meters 
16,108 
9,699 
3,530 
8,134 
2,139 
Quartz sand and silicon stone 
541 827 
682, 1 25 
782,620 
821 563 
421,126 
See footnotes at end of table.