1 Definition
1.1 definisi
tuff jinis rock digawe saka awu vulkanik luwar saka ngeculake sajrone eruption vulkanik
foidolite jinis langka coarse-grained rock igneous intrusive karo isi Mineral feldspathoid luwih saka 60%
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka tembung latin tophous banjur ing tufo italian lan pungkasanipun tuff
saka feldspathoid Mineral kang isi utama rock
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, rock alus
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque