definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
awet rock, medium atose rock
rock grained nggoleki, rock opaque
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
rock grained coarse, rock opaque