1 Definition
1.1 definisi
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous
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 tephra greek, awu saka basa indo-european, kanggo ngobong
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard 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