simatic

Composed predominantly of silica-bearing, magnesia-bearing, and ferriferous minerals such as olivine, pyroxene, amphibole, and biotite.

Adjective

  1. Composed predominantly of silica-bearing, magnesia-bearing, and ferriferous minerals such as olivine, pyroxene, amphibole, and biotite.
    • Near-synonym: ensimatic
    • In this process the sial is squeezed out laterally and forms the nuclei of continents, while the subsided region becomes an ocean basin. Thereafter the low-lying basins. which are comprised of solid basic or simatic...

    Synonyms: mafic ferromagnesic basic ensimatic

    Coordinate Terms: sialic

Origin

From sima + -ic.