comendite jinis rock igneous kang kawangun amarga cooling lan solidification lahar utawa magma. bisa mbentuk karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
albite, amphibole, quartz
analcime, apatite, barite, kalsit, chalcopyrite, chlorite, chromite, clausthalite, mineral lempung, grup crandallite, dolomite, Feldspar, galena, gypsum, marcasite, muscovite utawa illite, pyrite, quartz, siderite, sphalerite, zirkon
al, fe, kalium oxide
karbon, hidrogen, nitrogen, oksigen, belerang
metamorphism cataclastic, metamorphism regional
metamorphism kakubur, metamorphism cataclastic, metamorphism regional