Definition of ferromagnesian in English:

ferromagnesian

Syllabification: fer·ro·mag·ne·sian
Pronunciation: /ˌferōˌmagˈnēZHən, -zēən
 
/

adjective

Geology
  • (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.

More definitions of ferromagnesian

Definition of ferromagnesian in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space