1 Definition
1.1 definisi
scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN
diorite iku werna abu-abu kanggo penengah rock intrusive igneous peteng-werna abu-abu dumadi prinsipe saka plagioclase Feldspar, biotite, hornblende, lan pyroxene
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 awal abad kaping 19 diciptakaké ing french, kawangun teratur saka diorizein greek mbedakake
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, medium rock grained, rock opaque