Rapakivi Granit lan Taconite Definition
definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
asal
finland, europe
western australia, Minnesota
panemu
Jakob sederholm
Newton Horace Winchell
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka jeneng gunung taconic ing england anyar
kelas
batuan beku
rocks sedimentary
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque