definisi
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
Anthracite jinis rock sedimentary kang hard lan macem-macem batu bara sing wis luster dhuwur
asal
new zealand
pennsylvania, kita
panemu
Patrick marshall
Ora dingerteni
Etimologi
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
saka anthrakites greek, saka anthrax, anthrak meaning coal
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque