definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
Sajarah
asal
spain
pennines, england
panemu
Ora dingerteni
JJ Ferber
Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka grit + watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
-
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque