puits (1) spectacle (1) province (1) modèle (1) évolution (1) différenciation (1) investigation (1) Laponie (1) Differentiation (1) Variation (1) Volcanic ash, tuff, etc (1) Series (1) Rocks (1) Mass (1) Law (1) Lapland (1) Greenstone belts (1) Gold (1) Geology, Stratigraphic--Archaean (1) Fertility (1) Example (1) Evolution (1) Amphibolite (1) Detection (1) Areas (1) Evolution (1) Behavior (1) Mobilization (1) Fertility (1) or (1)