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