definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
pegmatite rock punika holocrystalline, rock igneous intrusive kang dumadi saka interlocking kristal phaneritic
Sajarah
asal
pennines, england
-
panemu
JJ Ferber
rj Hauy
Etimologi
saka grit + watu
saka pegma greek, pegmat kang bab liya- katunggilaké + -ite
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 coarse, rock opaque