| 260700 | -Lead ores and concentrates |
| 260800 | -Zinc ores and concentrates |
| 260900 | -Tin ores and concentrates |
| 261000 | -Chromium ores and concentrates |
| 261100 | -Tungsten ores and concentrates |
| 261210 | Uranium or thorium ores and concentrates-Uranium ores and concentrates |
| 261220 | Uranium or thorium ores and concentrates-Thorium ores and concentrates |
| 261310 | Molybdenum ores and concentrates-Roasted |
| 261390 | Molybdenum ores and concentrates-Other |
| 261400 | -Titanium ores and concentrates |
| 261510 | Niobium, tantalum, vanadium or zirconium ores and concentrates-Zirconium ores and concentrates |
| 261590 | Niobium, tantalum, vanadium or zirconium ores and concentrates-Other |
| 261610 | Precious metal ores and concentrates-Silver ores and concentrates |
| 261690 | Precious metal ores and concentrates-Other |
| 261710 | Other ores and concentrates-Antimony ores and concentrates |
