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.
  
nalika Feldspar alkali sing dijupuk saka granit, iku diganti kanggo granitoid lan mengko, dadi trondhjemite karo quartz minangka mineral utama.
  
komposisi
  
  
isi Mineral
amphibole, chromite, garnet, Magnesium, olivine, phlogopite, plagioclase, pyroxene
  
albite, amphibole, apatite, biotite, Feldspar, hornblade, ilmenite, magnetite, oksida manganese, olivine, plagioclase, pyroxene, quartz, sulfides, titanite, zirkon
  
senyawa isi
ca, fe, mg, kalium, silikon dioksida, sodium, titanium dioxide
  
NaCl, cao, MgO, silikon dioksida
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, impact metamorphism, metamorphism regional
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia
  
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi