Obsidian lan Tephrite Definition

Obsidian

Tephrite

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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

tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous

1.2 Sajarah

1.2.1 asal

Ethiopia

germany

1.2.2 panemu

obsius

van tooren

1.3 Etimologi

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

saka tephra greek, awu saka basa indo-european, kanggo ngobong

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 coarse, rock grained nggoleki, medium rock grained, rock opaque

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