definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
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
Sajarah
asal
pennines, england
new zealand
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka german kang tegese hornstone
kelas
rocks sedimentary
rocks metamorphic
sub-kelas
awet rock, hard rock
awet rock, rock alus
kulawarga
group
-
-
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque