definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
panemu
Alexandre brongniart
Dingertèni
Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka tachylite german, saka tachy- + lutos greek telat, leleh
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
group
ora ditrapake
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque