Soapstone lan Arkose Definition
definisi
iku Magnesium sugih rock metamorphic amarga dumadi saka talc Mineral
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
panemu
Ora dingerteni
Alexandre brongniart
Etimologi
saka abad ka-17, amarga saka aran greasy lan nggunakake kaya sinetron sing
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
kelas
rocks metamorphic
rocks sedimentary
sub-kelas
awet rock, rock alus
awet rock, hard rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque