ignimbrites sing kawangun saka dicampur banget lingkungan diurutake saka awu vulkanik utawa tuff lan pumice lapilli, umum karo pecahan lithic kasebar.
lan argillite punika rock sedimentary nggoleki-grained utamané dumadi saka partikel lempung kang formulir saka lumpur lithified kang ngandut global partikel silt-ukuran.
apatite, biotite, kalsit, chlorite, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
ca, NaCl
wesi (iii) oxide, kalium oxide, MgO, silikon dioksida
metamorphism kakubur, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
ora ditrapake