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