Obsidian lan Dolomit Definition

Obsidian

Dolomit

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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

dolomite punika rock sedimentary ngemot luwih saka 50 persen saka dolomite Mineral dening bobot

1.2 Sajarah

1.2.1 asal

Ethiopia

Alps kidul, prancis

1.2.2 panemu

obsius

dolomieu

1.3 Etimologi

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

saka french, saka jeneng dolomieu (1750-1801), geologis french sing ditemokaké rock ing

1.4 kelas

batuan beku

rocks sedimentary

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

ora ditrapake

1.6 kategori liyane

rock opaque

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

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