Definition, Meaning & Synonyms

mafic

Adjective
/ˈmeɪ.fɪk/
Definition
Relating to or denoting a group of igneous rocks that are rich in magnesium and iron, often darker in color than felsic rocks.
Examples
  • The rock sample was classified as mafic due to its high iron content.
  • Mafic lava tends to flow more easily than its felsic counterpart.
  • Basalt is a common example of a mafic rock.
Meaning
Mafic rocks are primarily composed of dark-colored minerals such as pyroxene and olivine, and they usually have lower silica content.
Synonyms
  • Iron-rich
  • Magnesium-rich
  • Basic