tatanan
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
  
websterite bisa kawangun minangka cumulates ing intrusions ultramafic dening klempakan saka kristal pyroxene ing dasar ing kamar lahar.
  
komposisi
  
  
isi Mineral
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
  
amphibole, augite, bronzite, chromite, diopside, enstatite, garnet, hornblende, hypersthene, magnetite, pyroxene
  
senyawa isi
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
  
aluminium oxide, cao, krom (iii) oxide, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, trioxide belerang
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
metamorphism kakubur, impact metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, erosi segara, banyu erosi, angin erosi
  
erosi kimia, erosi gisik, erosi Glacier, banyu erosi, angin erosi