Definition of ferromagnesian in English:


Line breaks: ferro|mag¦ne¦sian
Pronunciation: /ˌfɛrə(ʊ)magˈniːʒ(ə)n
, -zɪən/


  • (Of a rock or mineral) containing iron and magnesium as major components.
    More example sentences
    • Thus, in magma chambers dense ferromagnesian minerals may sink to form cumulate rocks at the base of the chamber, whereas in partial melting a lower-density melt may percolate upwards.
    • The example from the granite at Lime Crest quarry is very low in magnesium relative to those found in rocks containing more ferromagnesian minerals.
    • The very low magnesium content of Lime Crest ferroaxinite may reflect the relative scarcity of ferromagnesian minerals in the granite.

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Pronunciation: skəʊʃ
a small amount; a little