Fluid evolution in an unmineralized greisen-tourmaline system in the Ment granite (central Morocco); a fluid-inclusion study

igneous rocks metasomatic rocks metasomatism metal ores metamorphic rocks Morocco tourmaline group tungsten ores ring silicates mineral deposits, genesis granites inclusions tungstates Africa fluid inclusions orogeny greisen plutonic rocks strontium ores North Africa silicates wolframite