definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
hawaiite rock vulkanik sing meh podho basalt. iku basalt olivine karo komposisi antarané olivine alkali lan mugearite
Sajarah
asal
pennines, england
pulo hawaii
panemu
JJ Ferber
joseph iddings
Etimologi
saka grit + watu
saka hawaii pulo
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 opaque