definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
Sajarah
asal
pennines, england
lor amerika
panemu
JJ Ferber
Ferdinand von Richthofen
Etimologi
saka grit + watu
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
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 coarse, rock opaque