A1N1O1R1T1H4O1S1I1T1E1
14 points
ANORTHOSITE is validvalid
[n ANORTHOSITES]
an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite [n -S]
[n ANORTHOSITES]
an igneous rock that consists of 90 or more percent of plagioclase feldspar, typically labradorite [n -S]