1 Definition
1.1 definisi
talc karbonat nanging urutan rock utawa komposisi mineral ditemokaké ing rocks ultramafic metamorphic.
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
1.2 Sajarah
1.2.1 asal
china, usa, wétan tengah
france
1.2.2 panemu
Dingertèni
Alexandre brongniart
1.3 Etimologi
saka abad tengah latin, talcum
saka wilayah Auvergne saka prancis digunakake dening geologist Alexandre brongniart french 1826 sing Applied istilah iki kanggo sawetara sandstones feldspathic
1.4 kelas
rocks metamorphic
rocks sedimentary
1.4.1 sub-kelas
awet rock, rock alus
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque