definisi
Schist punika bahan metamorphic rock medium karo medium kanggo gedhe, warata, sheet kaya pari-parian ing orientasi preferred
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 schiste french, skhistos greek IE pamisah
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 coarse, rock grained nggoleki, medium rock grained, rock opaque
rock opaque