Rhomb Porphyry lan Obsidian Definition

Rhomb Porphyry

Obsidian

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1 Definition

1.1 definisi

rhomb-porphyry punika igneous rock porphyritic karo wedge KALUBÈRAN utawa lensa shaped anorthoclase utawa phenocrysts Feldspar

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

dingerteni

Ethiopia

1.2.2 panemu

Dingertèni

obsius

1.3 Etimologi

saka tembung latin sing tegese kain

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

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

vulkanik

1.6 kategori liyane

rock grained nggoleki, rock opaque

rock opaque

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