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.
  
obahe bumi bisa nimbulaké rocks dadi salah siji rumiyin disarèkaké utawa squeezed lan Empu rocks sing digawe panas lan sijine ing meksa gedhe.
  
komposisi
  
  
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
  
apatite, augite, biotite, bronzite, kalsit, chert, epidote, Feldspar, hornblende, micas, plagioclase, pyroxene, quartz, sulfides, zirkon
  
senyawa isi
ca, fe, kalium oxide, na, kalium, silikon dioksida
  
aluminium oxide, cao, fe, feo, silikon dioksida, belerang
  
transformasi
  
  
metamorphism
Yes
  
No
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
ora ditrapake
  
cuaca
Yes
  
No
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
ora ditrapake
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, erosi gisik, erosi Glacier
  
erosi kimia, erosi segara, angin erosi