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Obsidian
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Obsidian

Skarn lan Obsidian Definition

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1 Definition
1.1 definisi
skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara
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
usa, australia
Ethiopia
1.2.2 panemu
tornebohm
obsius
1.3 Etimologi
saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
rocks metamorphic
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
ora ditrapake
vulkanik
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock opaque