definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
Sajarah
asal
pennines, england
-
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
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