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What is a metamorphic deposit?
Deposits formed by metamorphism in metamorphic areas are collectively referred to as metamorphic deposits. Before the metamorphism, some deposits may exist, or there may be no existing deposits, but during the process of regional metamorphism, the deposits are modified or some ore-forming components are active, migrated, concentrated and recrystallized. Mineral deposits are all metamorphic deposits. In metamorphic deposits often occurrence of iron, copper, lead, zinc, gold, uranium, manganese, chromium, nickel, cobalt, niobium, tantalum, white mica, boron, graphite, magnesite, kyanite, andalusite, silicon Minerals such as stone and asbestos account for a large proportion of the world's reserves, such as 70% for iron ore, 60% for copper, and 63% for manganese.