definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
ignimbrite punika rock vulkanik dumadi utamané saka pecahan pumice, kawangun dening consolidation saka materi setor dening mili pyroclastic
Sajarah
asal
pennines, england
new zealand
panemu
JJ Ferber
Patrick marshall
Etimologi
saka grit + watu
saka geni ignis latin + Imber, padusan imbr- udan, badai maya + -ite
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque