1 Definition
1.1 definisi
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
1.2 Sajarah
1.2.1 asal
new zealand
finland, europe
1.2.2 panemu
Patrick marshall
Jakob sederholm
1.3 Etimologi
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
saka rapakivi finnish kang stands for rock crumbly
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque