Biotite from selected localities.
Finland | |
| Eilu, P. (2003). Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003. Rovaniemi, Finland |
Kojonen, Kari, Pakkanen, Lassi, Johanson, Bo (1996). Kullan esiintyminen Suomussalmen Pahkalammen kultamalmiaiheessa. GTK:n arkistoraportti M42.4/4513/3/96/1. |