definisi
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
gabbro iku sawijining igneous rock intrusive kang kimia padha karo kanggo basalt plutonic
panemu
Ora dingerteni
christian Leopold von Buch
Etimologi
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
saka latin glaber gundhul, Gamelan, gundul
kelas
rocks sedimentary
batuan beku
sub-kelas
awet rock, hard rock
awet rock, hard rock
kategori liyane
rock grained nggoleki, rock opaque
rock grained coarse, rock opaque