definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
Sajarah
asal
finland, europe
lor amerika
panemu
Jakob sederholm
Ferdinand von Richthofen
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
plutonic
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque