felsic

(redirected from Felsic mineral)
Also found in: Dictionary.
Related to Felsic mineral: Felsic magma

felsic

[′fel·sik]
(mineralogy)
A light-colored mineral.
(petrology)
Of an igneous rock, having a mode containing light-colored minerals.
References in periodicals archive ?
Amphibole-pyroxene andesite has pale-grey colour with macroscopically visible phenocrysts of mafic and felsic minerals (Figs.
A new road cut exposes granite characterized by alternating layers of high concentrations of mafic minerals (schlieren) and high concentrations of felsic minerals. Schlieren occur at the bottom of each couplet and grade upwards to quartz and larger feldspar grains.
Felsic minerals in the host dacite became round and embayed, plagioclase crystals were sieved, and mafic minerals developed reaction rims as a response to an increase in temperature.