tatanan
picrite punika nggoleki-grained, hard rock 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.
  
migmatites mbentuk dening suhu dhuwur metamorphism regional lan termal saka rocks protolith ngendi rocks nyawiji sebagian amarga suhu dhuwur.
  
komposisi
  
  
isi Mineral
biotite, olivine, plagioclase, pyrrhotite
  
biotite, chlorite, Feldspar, garnet, grafit, hornblade, micas, muscovite utawa illite, quartz, Quartzite, silika, zirkon
  
senyawa isi
al, cao, karbon dioksida, mg, MgO
  
aluminium oxide, NaCl, cao, karbon dioksida, wesi (iii) oxide, feo, kalium oxide, Magnesium karbonat, MgO, keda, fosfor pentoxide, silikon dioksida, titanium dioxide
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, impact metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
  
erosi kimia, erosi Glacier, banyu erosi, angin erosi