1 Definition
1.1 definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
tuff jinis rock digawe saka awu vulkanik luwar saka ngeculake sajrone eruption vulkanik
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka grit + watu
saka tembung latin tophous banjur ing tufo italian lan pungkasanipun tuff
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque