definisi
tatanan wesi banded Unit khusu saka rock sedimentary sing meh tansah umur Precambrian
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
western australia, Minnesota
Ethiopia
panemu
Johann Gottlob Lehmann
obsius
Etimologi
saka proses tatanan
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock opaque