definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
Sajarah
asal
pennines, england
brasil
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka néphéline french, saka Nefele greek
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque