The specification of Copper Concentrate produced by CMT is as under:
| MT LYELL COPPER CONCENTRATE SPECIFICATIONS |
 |
| Content |
UOM |
Typical Assay |
Range |
|
| Cu |
% |
28.5 |
27.5-30.0 |
| Fe |
% |
31.0 |
28.0-32.0 |
| S |
% |
35.0 |
33.5-37.0 |
| SiO2 |
% |
3.9 |
2.5-4.2 |
| Pb |
% |
0.2 |
0.1-0.3 |
| Zn |
% |
0.75 |
0.3-1.0 |
| Acid Insolubles |
% |
5.2 |
3.5-6.0 |
| Al2 O3 |
% |
1.1 |
0.9-1.3 |
| As |
ppm |
70.0 |
45.0-80.0 |
| Bi |
ppm |
12.0 |
10.0-14.0 |
| Cd |
ppm |
25.0 |
10.0-40.0 |
| Co |
ppm |
200 |
150-240 |
| Cr |
ppm |
3.0 |
2.0-6.0 |
| Ca |
ppm |
1000 |
700-1100 |
| Mg |
ppm |
1700 |
1300-2000 |
| Mo |
ppm |
200 |
150-250 |
| Ni |
ppm |
30 |
15-35 |
| Sb |
ppm |
6.0 |
3.5-10.0 |
| Te |
ppm |
3.0 |
2.5-4.0 |
| Ag |
ppm |
37.0 |
32-40 |
| Au |
ppm |
5.1 |
4.4-5.6 |
| F - |
ppm |
300 |
200-400 |
| Cl |
ppm |
<200 |
200-300 |
|
