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
marl iku sawijining rock sedimentary unconsolidated dumadi saka lempung lan jeruk
Sajarah
asal
Ethiopia
-
panemu
obsius
William Smith
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka lawas marle french, saka pungkasan marglia latin
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 nggoleki, rock opaque