definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
pantellerite punika rhyolite peralkaline. wis wesi luwih lan komposisi aluminium ngisor saka comendite
Sajarah
asal
pennines, england
Selat saka sisilia
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka Pantelleria, pulo vulkanik ing selat saka sisilia
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque