Felsic

Quick meaning: Felsic is an adjective meaning (petrology) Enriched in minerals predominantly composed of the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.

Meaning

(petrology) Enriched in minerals predominantly composed of the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium.

More Meanings

1. A rock with such properties.

Example Sentences

Much of the southern half of the southeastern body is a mafic syenite, slightly more felsic than the shonkinite.

There are also calcalkaline felsics that have highly enriched LREE^([light rare-earth element]) patterns with lower overall abundances.

Within comagmatic suites, successively younger granitoids are commonly, but not invariably, more felsic, representing progressively lower temperature mineral assemblages.

The Claret Creek Supersuite granites are a little more felsic (65-77% SiO₂), and are chemically distinctive, having higher Al₂O₃, CaO, Na₂O and Sr, and lower K₂O, Rb, Th and U than the granites of the Almaden Supersuite.

Word Forms

• felsics

Synonyms for felsic

Depending on context, synonyms include acidic, sialic, silicic.

Related Words

Related dictionary entries include volcanic, feldspathic, peralkaline, felspathic, felsitic, feldspatholithic.

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