definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
rock grained coarse, rock opaque
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
saka obsidianus latin, misprint saka obsianus (lapis) (watu) saka obsius
awet rock, medium atose rock