Rapakivi Granit lan Ignimbrite Definition
definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
asal
finland, europe
new zealand
panemu
Jakob sederholm
Patrick marshall
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque