A1N1O1R1T1H4O1S1I1T1E1S1
15 points
ANORTHOSITES is validvalid
ANORTHOSITE,
ANORTHOSITE, an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite
ANORTHOSITE,
ANORTHOSITE, an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite