1 Definition
1.1 definisi
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
gneiss jinis umum lan digunakake mbagekke saka rock kawangun dening pangolahan metamorphic regional dhuwur-bahan saka tatanan-ana wis sing padha Originally siji batuan beku utawa sedimentary
1.2 Sajarah
1.2.1 asal
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 dhuwur german gneist tembung tengah (kanggo narik; supaya disebut amarga rock ing glitters)
1.4 kelas
rocks sedimentary
rocks metamorphic
1.4.1 sub-kelas
awet rock, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, medium rock grained, rock opaque