Obsidian lan Granulite Definition
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
granulite nggoleki kanggo medium grained metamorphic rock karo granular kristal polygonal.
asal
Ethiopia
tengah europe
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka granulum latin, a gandum sethithik utawa grained nggoleki
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained coarse, medium rock grained, rock opaque