felsic
[ fel-sik ]
/ ˈfɛl sɪk /
adjective Geology.
(of rocks) consisting chiefly of feldspars, feldspathoids, quartz, and other light-colored minerals.
Compare
mafic.
Origin of felsic
Words nearby felsic
felon,
felonious,
felonry,
felony,
felony murder,
felsic,
felsite,
felspar,
felspathic,
felt,
felt marker
Scientific definitions for felsic
felsic
[ fĕl′sĭk ]
Relating to an igneous rock that contains a group of light-colored silicate minerals, including feldspar, feldspathoid, quartz, and muscovite. Compare mafic.