Pyroxenite lan Obsidian Definition
definisi
pyroxenite wis peteng, greenish, granular intrusive igneous rock dumadi utamané saka pyroxenes lan olivine
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
Etimologi
saka geni pyro- + greek Xenos liyo minangka grup Mineral anyar kanggo batuan beku
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