Pegmatite lan Obsidian Definition

Pegmatite

Obsidian

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1 Definition

1.1 definisi

pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic

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

rj Hauy

obsius

1.3 Etimologi

saka pegma greek, pegmat kang bab liya- katunggilaké + -ite

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

1.4 kelas

batuan beku

1.4.1 sub-kelas

awet rock, hard rock

awet rock, medium atose rock

1.5 kulawarga

1.5.1 group

plutonic

vulkanik

1.6 kategori liyane

rock grained coarse, rock opaque

rock opaque

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