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