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