definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
gossan wis intensely oxidized, weathered utawa decomposed rock, biasane ing sisih ndhuwur lan kapapar saka simpenan biji utawa urat Mineral.
panemu
Alexandre brongniart
gossen Pampanga
Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka gossen Pampanga saka gos, getih saka guit Pampanga lawas
kelas
rocks sedimentary
rocks metamorphic
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
group
ora ditrapake
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, medium rock grained, rock opaque