Slate lan Obsidian Definition
definisi
slate punika, kabeh podho rock metamorphic nggoleki-grained, foliated asalé saka krikel-jinis sedimentary rock asli dumadi saka lempung utawa awu vulkanik liwat kurang-bahan metamorphism regional
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 lawas esclate french, saka esclat (french éclat)
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
kelas
rocks metamorphic
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, medium atose rock
group
ora ditrapake
vulkanik
kategori liyane
rock grained nggoleki, rock opaque
rock opaque