Adjektiv

ultramafisch

ultramafic

Ultramafisches Gestein ist reich an Magnesium.

Ultramafic rock is rich in magnesium.

Geologen untersuchen die ultramafische Lava.

Geologists are examining the ultramafic lava.

((as an adjective before a noun)) used as an adjective before a noun This ultramafic mineral is very rare.

Synonyms: ultrabasisch (ultrabasic); Antonyms: felsisch (felsic)

'ultra-' (beyond) + 'mafisch'. 'Mafisch' is a portmanteau of 'Magnesium' and 'ferrisch' (from Latin 'ferrum' for iron). So it means extremely rich in magnesium and iron.

Remember 'mafic' = MAgnesium + Ferric (iron). 'Ultra' means extremely. So, it refers to rocks extremely high in magnesium and iron.

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