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
oolite punika rock sedimentary kawangun saka ooids, pari-parian bundher kang dumadi saka lapisan concentric saka kalsit
Sajarah
asal
Ethiopia
-
panemu
obsius
William Smith
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka oo- + -lite, sawise oolit german. a rock dumadi saka pari-parian nggoleki karbonat saka jeruk
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
kulawarga
group
vulkanik
vulkanik
kategori liyane
rock opaque
rock grained nggoleki, rock opaque