Obsidian lan Migmatite Definition

Obsidian

Migmatite

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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

migmatite biasane rock granitic ing rock inang metamorphic kang dumadi saka loro komponen intermingled nanging pisah

1.2 Sajarah

1.2.1 asal

Ethiopia

Alps kidul, prancis

1.2.2 panemu

obsius

Jakob sederholm

1.3 Etimologi

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

saka migma tembung yunani sing artine dicampur

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

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