definisi
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
carbonatite iku intrusive utawa extrusive rock igneous kang ditetepake dening komposisi mineralogic, dumadi saka mineral karbonat luwih saka 50 persen
panemu
Alexandre brongniart Rene Hauy
Dingertèni
Etimologi
saka trakhus greek atos 'utawa roughness trakhutēs
saka rock igneous intrusive, gadhah mayoritas mineral karbonat
kelas
batuan beku
batuan beku
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque