Tachylite lan Obsidian Definition

Tachylite

Obsidian

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1 Definition

1.1 definisi

tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten

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

iceland

Ethiopia

1.2.2 panemu

Dingertèni

obsius

1.3 Etimologi

saka tachylite german, saka tachy- + lutos greek telat, leleh

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

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

rock opaque

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