Primary Igneous and Metamorphic Environments Some sulphides are primary minerals in igneous and metamorphic rocks (pentlandite, molybdenite, pyrrhotite) and crystallize directly from the silicate melt.
(Primary Igneous and Metamorphic Environments Some sulphides; are; primary minerals in igneous and metamorphic rocks)
Primary Igneous and Metamorphic Environments Some sulphides
are
primary minerals in igneous and metamorphic rocks