Obsidian lan Gossan Definition

Obsidian

Gossan

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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

gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.

1.2 Sajarah

1.2.1 asal

Ethiopia

indonesia

1.2.2 panemu

obsius

gossen Pampanga

1.3 Etimologi

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

saka gossen Pampanga saka gos, getih saka guit Pampanga lawas

1.4 kelas

batuan beku

rocks metamorphic

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, medium rock grained, rock opaque

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