tatanan
rhyodacite 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.
  
phonolite sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah crustal Continental nglukis utawa ing zona subduksi cordilleran.
  
komposisi
  
  
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
  
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite
  
senyawa isi
ca, fe, kalium oxide, na, kalium, silikon dioksida
  
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
  
kontak metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
  
erosi kimia, erosi gisik, banyu erosi, angin erosi