tatanan
nephelinite 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.
  
pyroxenites watu beku ultramafic kang arupi mineral saka klompok pyroxene, kayata augite lan diopside, hypersthene, bronzite utawa enstatite.
  
komposisi
  
  
isi Mineral
clinopyroxene, nepheline, plagioclase
  
amphibole, augite, bronzite, chromite, diopside, enstatite, garnet, hornblende, hypersthene, magnetite, pyroxene
  
senyawa isi
ca, cao, karbon, cl, MgO
  
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
kontak metamorphism
  
metamorphism kakubur, 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, banyu erosi, angin erosi
  
erosi kimia, erosi gisik, banyu erosi