| Webster's Online Dictionary |
| Domain | Definition | ||
| Mining | Said of an igneous rock having one or more normative, dark-colored iron-, magnesium-, or calcium-rich minerals as the major components of the norm; also, said of such minerals. Etymol.a mnemonic term derived from ferric +magnesium + ic. Cf: basic; salic; mafic; felsic. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||