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
a rock sedimentary, simpenan arus submarine turbidity lan dumadi saka partikel dilapisi
Sajarah
asal
Ethiopia
bokor foreland european
panemu
obsius
arnold h. bouma
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka turbiditas latin abad tengah, saka turbidus latin (turbid). turbidity saiki saka taun 1939
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kulawarga
group
vulkanik
-
kategori liyane
rock opaque
rock grained coarse, rock grained nggoleki, rock opaque