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.
  
rhomb-porphyry punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.
  
komposisi
  
  
isi Mineral
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
  
Feldspar alkali, biotite, plagioclase, pyroxene
  
senyawa isi
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
  
cao, cl, MgO
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
  
impact metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi gisik, erosi Glacier, banyu erosi
  
erosi kimia, erosi gisik, erosi Glacier, banyu erosi