definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
kenyte iku macem-macem phonolite porphyritic utawa trachyte rock karo phenocrysts rhomb shaped anorthoclase karo rupo olivine lan augite ing matrik glassy
Sajarah
asal
france
gunung kenya
panemu
Alexandre brongniart
JW Gregory
Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka gunung ranges- Gunung kenya lan dijenengi dening JW Gregory in 1900
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque