1 Definition
1.1 definisi
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
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Dingertèni
Alexandre brongniart
1.3 Etimologi
saka dhuwur german gneist tembung tengah (kanggo narik; supaya disebut amarga rock ing glitters)
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, hard rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
ora ditrapake
ora ditrapake
1.6 kategori liyane
rock grained coarse, medium rock grained, rock opaque
rock grained coarse, rock opaque