definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
shoshonite punika rock basaltic, mlaku a trachyandesite potassic, dumadi saka olivine, augite lan plagioclase phenocrysts ing groundmass karo plagioclase calcic lan sanidine lan sawetara kaca vulkanik peteng-colored
Sajarah
asal
pennines, england
wyoming, usa
panemu
JJ Ferber
iddings
Etimologi
saka grit + watu
saka panggonan asal disebut shoshone riverin wyoming
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque