definisi
hornfels punika rock metamorphic kawangun dening kontak antarane mudstone utawa sugih lempung rock, lan awak igneous panas, lan nggantosi padha panas ngrubah saka rock asli
  
arkose punika rock sedimentary, khusus jinis sandstone ngemot paling sethithik 25% Feldspar
  
Sajarah
  
  
asal
new zealand
  
france
  
panemu
Dingertèni
  
Alexandre brongniart
  
Etimologi
saka german kang tegese hornstone
  
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
  
kulawarga
  
  
group
ora ditrapake
  
ora ditrapake
  
kategori liyane
rock grained nggoleki, rock opaque
  
rock grained coarse, rock opaque