tatanan
peridotites bisa kawangun ing rong cara: minangka rocks lapisan kawangun sak accretion lan diferensiasi saka bumi utawa minangka rocks cumulate kawangun dening udan saka olivine lan pyroxenes saka magmas basaltic.
  
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
amphibole, chromite, garnet, Magnesium, olivine, phlogopite, plagioclase, pyroxene
  
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
  
senyawa isi
ca, fe, mg, kalium, silikon dioksida, sodium, titanium dioxide
  
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
udan biologi, udan kimia
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia
  
erosi gisik, erosi Glacier, banyu erosi