tatanan
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.
  
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
  
komposisi
  
  
isi Mineral
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
  
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
  
senyawa isi
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
  
karbon, hidrogen, nitrogen, oksigen, belerang
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
  
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
cuaca
Yes
  
No
  
jinis udan
udan biologi, udan kimia
  
ora ditrapake
  
erosi
Yes
  
No
  
jinis erosi
erosi gisik, erosi Glacier, banyu erosi
  
ora ditrapake