Quartzite punika rock non-foliated metamorphic sing formulir dening metamorphism saka sandstone quartz murni
hyaloclastite iku sawijining ongko saka nggoleki, lebu glassy kawangun dening kontak dadakan saka panas, magma manéka warna takson lan banyu kadhemen utawa endhepan banyu-kebak
medium rock grained, rock opaque
rock grained nggoleki, rock opaque