tatanan
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
marmer iki rock metamorphic diprodhuksi saka watu gamping ing lemah ndhuwur bumi. iku kawangun dening metamorphism saka watu gamping.
isi Mineral
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
garnet, grafit, olivine, pyrite, quartz
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
cao, wesi (iii) oxide, feo, MgO, silikon dioksida