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.
  
tatanan vogesite njupuk Panggonan jero ngisor permukaan bumi ing watara 150 kanggo 450 kilometer, lan sing njeblug kanthi cepet lan kejem.
  
komposisi
  
  
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
  
amphibole, karbonat, garnet, micas, olivine, phlogopite, pyroxene
  
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
  
aluminium oxide, NaCl, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, silikon dioksida, titanium dioxide
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi, udan kimia, udan mechanical
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi