definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
Sajarah
asal
finland, europe
-
panemu
Jakob sederholm
rj Hauy
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
plutonic
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque