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
Sajarah
asal
finland, europe
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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
kulawarga
group
plutonic
vulkanik
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque