definisi
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
rapakivi granit punika granit hornblende-biotite ngemot kristal dibunderaké akeh orthoclase kang mantled karo oligoclase
Sajarah
asal
iceland
finland, europe
panemu
Ora dingerteni
Jakob sederholm
Etimologi
saka tachylite german, saka tachy- + lutos greek telat, leleh
saka rapakivi finnish kang stands for rock crumbly
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, hard rock
kulawarga
group
vulkanik
plutonic
kategori liyane
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque
rock grained coarse, rock opaque