Scoria lan Obsidian Definition

Scoria

Obsidian

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1 Definition

1.1 definisi

scoria punika igneous rock extrusive peteng-colored karo babak rongga gelembung-kaya KALUBÈRAN

obsidian punika kaca vulkanik alami kawangun minangka rock igneous extrusive. diprodhuksi nalika lahar felsic extruded saka gunung mbledhos ndingin kanthi cepet karo wutah kristal minimal

1.2 Sajarah

1.2.1 asal

dingerteni

Ethiopia

1.2.2 panemu

Dingertèni

obsius

1.3 Etimologi

saka pungkasan tengah english (denoting slag saka logam molten), saka skōria greek nolak, saka dung Skor

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

rock opaque

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