Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus | 
| Oka Complex  | |
|---|---|
| BT | Canada | 
| .Eastern Canada | |
| ..Quebec | |
| ...Oka Complex | |
| SN | Carbonatite complex mined for pyrochlore (niobium ores). In S Quebec. Added to Thesaurus in 1981. | 
| Data sets | Publications | Expeditions | Thesaurus | 
| Oka Complex  | |
|---|---|
| BT | Canada | 
| .Eastern Canada | |
| ..Quebec | |
| ...Oka Complex | |
| SN | Carbonatite complex mined for pyrochlore (niobium ores). In S Quebec. Added to Thesaurus in 1981. |