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Diabase
Diabase

Obsidian
Obsidian



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Obsidian

Diabase lan Obsidian Definition

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1 Definition
1.1 definisi
diabase punika rock igneous nggoleki-grained kang dumadi saka biasane pyroxene lan Feldspar
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
germany
Ethiopia
1.2.2 panemu
christian Leopold von Buch
obsius
1.3 Etimologi
saka di greek + basa
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
batuan beku
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
vulkanik
vulkanik
1.6 kategori liyane
rock grained nggoleki, medium rock grained, rock opaque
rock opaque