definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
anorthosite punika rock igneous granular dumadi umumé saka labradorite utawa plagioclase
Sajarah
asal
pennines, england
-
panemu
JJ Ferber
Ora dingerteni
Etimologi
saka grit + watu
saka french anorthose plagioclase + -ite1
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kulawarga
group
-
plutonic
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque