1 Definition
1.1 definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
websterite punika ultramafic lan ultrabasic rock sing kasusun saka takeran kira-kira witjaksono orthopyroxene lan clinopyroxene. iku jinis khusus saka pyroxenite.
1.2 Sajarah
1.2.1 asal
france
webster, North Carolina
1.2.2 panemu
Alexandre brongniart
Dingertèni
1.3 Etimologi
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
saka kutha webster dumunung ing North Carolina
1.4 kelas
rocks sedimentary
batuan beku
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque