1 Definition
1.1 definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
1.2 Sajarah
1.2.1 asal
pennines, england
1.2.2 panemu
JJ Ferber
1.3 Etimologi
saka grit + watu
1.4 kelas
rocks sedimentary
1.4.1 sub-kelas
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock opaque