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Basalt
Basalt

Obsidian
Obsidian



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Obsidian

Basalt lan Obsidian Definition

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Definition

definisi

basalt punika rock igneous extrusive umum kawangun dening cooling kanthi cepet saka lahar basaltic kapapar ing utawa banget cedhak ing lumahing bumi
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

Sajarah

asal

egypt
Ethiopia

panemu

George Agricola
obsius

Etimologi

saka pungkasan basaltes latin (varian saka basanites), watu banget hard, kang diimpor saka basanites greek kuna
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius

kelas

batuan beku
batuan beku

sub-kelas

awet rock, medium atose rock
awet rock, medium atose rock

kulawarga

group

vulkanik
vulkanik

kategori liyane

rock grained nggoleki, rock opaque
rock opaque