What are the opposite words for felsic?

Felsic is a term used in geology to describe igneous rocks that contain a high proportion of silica, aluminum, and alkali metals. Antonyms for felsic are mafic and ultramafic. Mafic rocks have a lower proportion of silica and a higher proportion of iron and magnesium. Ultramafic rocks have an even lower proportion of silica and are composed mainly of magnesium and iron-rich minerals such as olivine and pyroxene. The term intermediate is also used to describe rocks that have a composition between felsic and mafic. The contrasting properties of these rock types have profound effects on their physical properties and behavior, making them important subjects of study for geologists and earth scientists.

What are the antonyms for Felsic?

• Other relevant words:

• Other relevant words (noun):
• mafic
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The word "non-derivable" refers to something that cannot be obtained through logical deduction or inference. Its antonyms include terms like "deducible," "inferable," and "derivabl...