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
anorthosite punika rock igneous granular dumadi umumé saka labradorite utawa plagioclase
saka french anorthose plagioclase + -ite1
awet rock, medium atose rock
rock grained coarse, rock opaque