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Obsidian
Obsidian

Skarn
Skarn



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Skarn

Obsidian lan Skarn Definition

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Definition

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
skarns kawangun sak metamorphism regional utawa kontak lan saka macem-macem pangolahan metasomatic nglibatno cairan saka magmatic, metamorphic, lan / utawa asal segara

Sajarah

asal

Ethiopia
usa, australia

panemu

obsius
tornebohm

Etimologi

saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka tembung mining swedish lawas Originally dipigunakaké kanggo njlèntrèhaké jinis gangue silicate utawa sampah rock.

kelas

batuan beku
rocks metamorphic

sub-kelas

awet rock, medium atose rock
awet rock, hard rock

kulawarga

group

vulkanik
-

kategori liyane

rock opaque
rock grained nggoleki, rock opaque