definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
foidolite jinis langka coarse-grained rock igneous intrusive karo isi Mineral feldspathoid luwih saka 60%
Sajarah
asal
pennines, england
-
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka feldspathoid Mineral kang isi utama rock
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, rock alus
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque