Diabase lan Obsidian Definition

Diabase

Obsidian

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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

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock grained nggoleki, medium rock grained, rock opaque

rock opaque

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