1 Definition
1.1 definisi
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
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 pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor
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