Definition: Metalliferous refers to a substance that contains or has elements found in rock and minerals, such as iron, aluminum, copper, nickel, cobalt, molybdenum, etc. It does not necessarily mean that it contains all these elements within its crystal lattice, but rather the presence of certain types of minerals, which are typically formed during metamorphism (consisting of heat, pressure, and a chemical reaction) in which the solid rock is transformed into a new mineral. Metalliferous rocks have a high concentration of these minerals, which can vary depending on the type and depth of the metamorphism, but they generally contain at least some of them.
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