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