1 Definition
1.1 definisi
ijolite iku sawijining rock intrusive igneous kang dumadi utamané nepheline lan pyroxene alkali, biasane aegirine-augite
chert punika hard, peteng, opaque rock sedimentary kang dumadi saka silika karo susunan nggoleki-grained amorf
1.2 Sajarah
1.2.1 asal
finland, europe
dingerteni
1.2.2 panemu
1.3 Etimologi
saka syllable pisanan saka tembung finnish ii-vaara, iijoki, andc. umume digunakake jeneng geografis ing finland, lan gr ing. xiflos, watu
saka quartz Flint-kaya, 1670s, diweruhi origin- istilah lokal, kang wis dijupuk menyang nggunakake geologi
1.4 kelas
batuan beku
rocks sedimentary
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained nggoleki, rock opaque