Obsidian lan Gossan 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
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
panemu
obsius
gossen Pampanga
Etimologi
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
kelas
batuan beku
rocks metamorphic
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
vulkanik
ora ditrapake
kategori liyane
rock opaque
rock grained nggoleki, medium rock grained, rock opaque