Gabbro lan Obsidian Definition
definisi
gabbro iku sawijining igneous rock intrusive kang kimia padha karo kanggo basalt plutonic
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
panemu
christian Leopold von Buch
obsius
Etimologi
saka latin glaber gundhul, Gamelan, gundul
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock opaque