Obsidian lan Travertine Definition

Obsidian

Travertine

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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

travertine punika Mineral dumadi saka kalsium karbonat dilapisi kawangun dening Deposition saka spring Waters

1.2 Sajarah

1.2.1 asal

Ethiopia

italy

1.2.2 panemu

obsius

Marcus vitruvius pollio

1.3 Etimologi

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

saka travertino italian jenis bangunan watu, saka tiburs, kata saka tibur (Tivoli), ing Italia

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 nggoleki, rock opaque

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