P3L1A1G2I1O1C3L1A1S1E1
16 points
PLAGIOCLASE is validvalid
[n PLAGIOCLASES]
a fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals [n -S]
[n PLAGIOCLASES]
a fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals [n -S]