definisi
asal
panemu
Etimologi
kelas
sub-kelas
group
kategori liyane
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
rock grained nggoleki, rock opaque
norite punika mafic intrusive igneous rock dumadi umumé saka calcium-sugih plagioclase labradorite, orthopyroxene, lan olivine
saka jeneng norwegian kanggo norway, Norge
rock grained coarse, rock opaque