tatanan
amarga kanggo ngganti ing kondisi lingkungan, rocks sing digawe panas lan pressurized jero nang permukaan bumi. skarn kawangun saka panas nemen disebabake magma utawa dening tabrakan kuat lan gesekan lempeng tektonik.
  
kenyte 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
kalsit, enstatite, epidote, garnet, magnetite, pyroxene, titanite
  
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite
  
senyawa isi
au, cao, karbon dioksida, cu, fe, MgO
  
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, impact metamorphism
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi kimia, erosi gisik