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.
  
Wangun mudstone nalika partikel lempung banget nggoleki-grained sing setor ing banyu kang dumunung ing ngisor banyu badan. lagi disarèkaké lan compacted dening overlying endhepan Empu mbentuk mudstone.
  
komposisi
  
  
isi Mineral
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
  
biotite, chlorite, Feldspar, micas, muscovite utawa illite, plagioclase, pyrite, quartz
  
senyawa isi
ca, fe, kalium oxide, na, kalium, silikon dioksida
  
aluminium oxide, NaCl, cao, wesi (iii) oxide, silikon dioksida
  
transformasi
  
  
metamorphism
Yes
  
No
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
ora ditrapake
  
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 segara