Obsidian lan Diabase Definition

Obsidian

Diabase

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1 Definition

1.1 definisi

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

diabase punika rock igneous nggoleki-grained kang dumadi saka biasane pyroxene lan Feldspar

1.2 Sajarah

1.2.1 asal

Ethiopia

germany

1.2.2 panemu

obsius

christian Leopold von Buch

1.3 Etimologi

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

saka di greek + basa

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

awet rock, hard rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock opaque

rock grained nggoleki, medium rock grained, rock opaque

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Diorite

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Rhyolite

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