Obsidian lan Tuff Definition

Obsidian

Tuff

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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

tuff jinis rock digawe saka awu vulkanik luwar saka ngeculake sajrone eruption vulkanik

1.2 Sajarah

1.2.1 asal

Ethiopia

italy

1.2.2 panemu

obsius

Dingertèni

1.3 Etimologi

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

saka tembung latin tophous banjur ing tufo italian lan pungkasanipun tuff

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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