The Ala-Penikka PGE reefs in the Penikat layered intrusion, Northern Finland.

Autor: Halkoaho, T., Alapieti, T., Lahtinen, J., Lerssi, J.
Zdroj: Mineralogy & Petrology; May1990, Vol. 42 Issue 1-4, p23-38, 16p
Databáze: Complementary Index