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Nepheline Syenite
Nepheline Syenite

Obsidian
Obsidian



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Nepheline Syenite
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Obsidian

Nepheline Syenite lan Obsidian Definition

1 Definition
1.1 definisi
syenite nepheline punika rock plutonic holocrystalline resembling syenite nanging ngemot nepheline lan kakurangan quartz
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 asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
1.4 kelas
batuan beku
batuan beku
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
plutonic
vulkanik
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock opaque