definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
  
litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite
  
Sajarah
  
  
asal
pennines, england
  
usa
  
panemu
JJ Ferber
  
Bayley
  
Etimologi
saka grit + watu
  
saka occurrence ing Litchfield, maine, usa
  
kelas
rocks sedimentary
  
batuan beku
  
sub-kelas
awet rock, hard rock
  
awet rock, medium atose rock
  
kulawarga
  
  
group
ora ditrapake
  
plutonic
  
kategori liyane
rock grained coarse, rock opaque
  
rock grained coarse, rock opaque