Tephrite lan Obsidian Definition

Tephrite

Obsidian

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1 Definition

1.1 definisi

tephrite iku sawijining aphanitic kanggo porphyritic tekstur, vulkanik rock igneous

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

germany

Ethiopia

1.2.2 panemu

van tooren

obsius

1.3 Etimologi

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

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

rock opaque

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