Nepheline Syenite lan Obsidian Definition
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
panemu
Ora dingerteni
obsius
Etimologi
saka asal saka syenite palaeozoic nepheline saka Provinsi Shanxi lor, china
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock opaque