definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
picrite iku macem-macem dhuwur-Magnesium basalt olivine sing sugih banget ing olivine Mineral
Sajarah
asal
pennines, england
pulo hawaii
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka pikros greek pait + -ite, abad ka-19
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