Rapakivi Granit lan Trachyte Definition
definisi
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
asal
finland, europe
dingerteni
panemu
Jakob sederholm
Alexandre brongniart Rene Hauy
Etimologi
saka rapakivi finnish kang stands for rock crumbly
saka trakhus greek atos 'utawa roughness trakhutēs
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