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