definisi
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
panemu
Patrick marshall
john peter Salley
Etimologi
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
group
vulkanik
ora ditrapake
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque