Obsidian lan Rhyodacite Definition

Obsidian

Rhyodacite

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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

rhyodacite iku sawijining rock vulkanik extrusive penengah ing komposisi antarane dacite lan rhyolite

1.2 Sajarah

1.2.1 asal

Ethiopia

usa

1.2.2 panemu

obsius

Dingertèni

1.3 Etimologi

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

rhyo lite + dacite: a rock antarané rhyolite lan dacite sing extrusive padha karo granodiorite

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 opaque

rock grained nggoleki, rock opaque

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