1 Definition
1.1 definisi
rhyolite punika rock igneous nggoleki-grained kang sugih ing silika
syenite punika rock igneous coarse-grained kang dumadi utamané Feldspar alkali lan macem-macem mineral ferromagnesian
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
Ferdinand von Richthofen
Dingertèni
1.3 Etimologi
saka rhyolit german, saka stream lahar greek rhuax + watu lithos
saka syénite french, saka syenites latin (lapis) (watu) saka syene
1.4 kelas
1.4.1 sub-kelas
awet rock, hard rock
awet rock, medium atose rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque