1 Definition
1.1 definisi
tuff jinis rock digawe saka awu vulkanik luwar saka ngeculake sajrone eruption vulkanik
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
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 tachylite german, saka tachy- + lutos greek telat, leleh
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
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