definisi
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
Sajarah
asal
pennines, england
finland, europe
panemu
JJ Ferber
Jakob sederholm
Etimologi
saka grit + watu
saka rapakivi finnish kang stands for rock crumbly
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