- Biraya and Bya Rivers confluence area (Chara Basin)
- Biraya Fe-REE ore occurrence
| Mills, S. J., Kartashov, P. M., Kampf, A. R., Konev, A. A., Koneva, A. A., Raudsepp, M. (2012) CORDYLITE-(La), A NEW MINERAL SPECIES IN FENITE FROM THE BIRAYA Fe-REE DEPOSIT, IRKUTSK, RUSSIA. The Canadian Mineralogist, 50 (5) 1281-1290 doi:10.3749/canmin.50.5.1281 |