Pumice lan Arkose Definition
definisi
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
panemu
Ora dingerteni
Alexandre brongniart
Etimologi
saka pomis french lawas, saka varian dialect latin saka pumex
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque