definisi
nephelinite punika rock igneous nggoleki-grained utawa aphanitic arupi meh tanggung saka nepheline lan clinopyroxene (macem-macem augite).
tachylite punika wangun vitreous saka kaca vulkanik basaltic. kaca iki alami dening cooling kanthi cepet saka basalt molten
panemu
Dingertèni
Dingertèni
Etimologi
saka néphéline french, saka Nefele greek
saka tachylite german, saka tachy- + lutos greek telat, leleh
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque