- The process by which heavy, early crystallized minerals settle out from
a magma and become concentrated.
Source: Leet, L. Don. 1982.
Physical Geology, 6th Edition. Englewood Cliffs, NJ: Prentice-Hall
- Concentration of crystals of a particular mineral (or minerals) in certain
parts of a magma during its cooling and crystallization. Some ore deposits
(i.e., magmatic ore deposits) are formed in this way.
See also: differentiation
Dictionary of Mining, Mineral, and Related Terms