definisi
gabbro iku sawijining igneous rock intrusive kang kimia padha karo kanggo basalt plutonic
trachyte punika rock vulkanik nggoleki-grained werna abu-abu kang utamané dumadi saka Feldspar alkali
panemu
christian Leopold von Buch
Alexandre brongniart Rene Hauy
Etimologi
saka latin glaber gundhul, Gamelan, gundul
saka trakhus greek atos 'utawa roughness trakhutēs
kelas
batuan beku
batuan beku
sub-kelas
awet rock, hard rock
awet rock, medium atose rock
kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque