Pantellerite lan Obsidian Definition

Pantellerite

Obsidian

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1 Definition

1.1 definisi

pantellerite punika rhyolite peralkaline. wis wesi luwih lan komposisi aluminium ngisor saka comendite

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

Selat saka sisilia

Ethiopia

1.2.2 panemu

Dingertèni

obsius

1.3 Etimologi

saka Pantelleria, pulo vulkanik ing selat saka sisilia

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, rock opaque

rock opaque

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