definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
Sajarah
asal
pennines, england
france
panemu
JJ Ferber
Alexandre brongniart
Etimologi
saka grit + watu
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
kelas
rocks sedimentary
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque