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