Basanite
Basanite is an
igneous, volcanic (
extrusive)
rock, of felsic composition, with
aphanitic to
porphyritic texture. Mineral assembly is usually abundant feldspathoids and
plagioclase, and lesser alkali
feldspar. Pyroxenes (clinopyroxenes) and olivines are common accessory minerals.
Quartz is absent.
See also: igneous rocks, list of rocks