definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
greywacke wis ditetepake minangka rock sandstone coarse-grained peteng kang ngandhut sen lempung luwih saka 15 saben
Sajarah
asal
pennines, england
-
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka grauwacke german, saka grau grey + wacke
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 nggoleki, rock opaque