Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
phyllite punika rock metamorphic kang kawangun dening metamorphism regional saka endapan rock wiwit panguraian sing jumeneng amargi deviatoric kaku.
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
albite, alusite, amphibole, apatite, biotite, chlorite, epidote, Feldspar, garnet, grafit, hornblade, kyanite, micas, muscovite utawa illite, porphyroblasts, quartz, sillimanite, staurolite, talc, zirkon
karbon, hidrogen, nitrogen, oksigen, belerang
cao, karbon dioksida, MgO
ora ditrapake
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi