Obsidian lan Hornblendite 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
hornblendite jinis rock plutonic igneous dumadi utamané saka amphibole hornblende lan jinis amphibolite rock
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka german, sungu sungu + blende
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock opaque
rock grained coarse, medium rock grained, rock opaque