tatanan
foidolites 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.
  
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
  
komposisi
  
  
isi Mineral
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
  
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
  
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo
  
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism
  
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi, udan kimia, udan mechanical
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi kimia, erosi segara, banyu erosi, angin erosi