definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
trachyandesite iku sawijining igneous rock extrusive.
Sajarah
asal
france
indonesia
panemu
Alexandre brongniart
Ora dingerteni
Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka french trachyandésite, trachy + andesit awujud, a lahar penengah ing komposisi antarane trachyte lan awujud
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque