Obsidian lan Phonolite 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
phonolite iku sawijining extrusive igneous rock rock vulkanik umum saka komposisi kimia antarané felsic lan mafic
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka makna greek mungel watu amarga saka metallic swara mrodhuksi yen plate unfractured wis mejet
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained nggoleki, rock opaque