1 Definition
1.1 definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Alexandre brongniart
Dingertèni
1.3 Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor
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