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.
  
essexite jinis rock igneous, kang biasane abu ireng rock plutonic. kanggo tatanan kang essexite, magma cocok karo komposisi pas k, ba, rb, cs, sr kudu diprodhuksi.
  
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
  
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
  
senyawa isi
karbon, hidrogen, nitrogen, oksigen, belerang
  
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi, udan kimia
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi gisik, erosi Glacier, banyu erosi