Rapakivi Granit lan Pumice Definition
definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
pumice punika rock vulkanik sing kasusun saka Highly vesicular atos kaca vulkanik tekstur, kang bisa utawa ora bisa ngemot kristal
asal
finland, europe
spain
panemu
Jakob sederholm
Dingertèni
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka pomis french lawas, saka varian dialect latin saka pumex
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque