Rapakivi Granit lan Gritstone Definition
definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
gritstone utawa grit punika hard, coarse-grained, siliceous sandstone
asal
finland, europe
pennines, england
panemu
Jakob sederholm
JJ Ferber
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka grit + watu
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, hard rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque