definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
essexite kang uga dikenal minangka nepheline monzogabbro, iku werna abu-abu utawa ireng holocrystalline plutonic rock iigneous peteng
Sajarah
asal
pennines, england
usa
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka dhaerah ing Essex County, massachusetts, kita
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