tatanan
rhyolite punika rock extrusive felsic lan amarga isi silika dhuwur, rhyolite lahar banget viscous lan padha vulkanik granit.
  
Wangun coal saka klempakan saka lebu tetanduran ing lingkungan rawa kang wis kakubur sedimen kayata lendhut utawa wedhi lan banjur compacted kanggo mbentuk coal.
  
komposisi
  
  
isi Mineral
biotite, Feldspar, hornblade, plagioclase, pyroxene, quartz
  
analcime, apatite, barite, kalsit, chalcopyrite, chlorite, chromite, clausthalite, mineral lempung, grup crandallite, dolomite, Feldspar, galena, gypsum, marcasite, muscovite utawa illite, pyrite, quartz, siderite, sphalerite, zirkon
  
senyawa isi
ca, fe, kalium oxide, mg, kalium, silikon dioksida, sodium
  
karbon, hidrogen, nitrogen, oksigen, belerang
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
cuaca
Yes
  
No
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
ora ditrapake
  
erosi
Yes
  
No
  
jinis erosi
erosi kimia, erosi segara, banyu erosi, angin erosi
  
ora ditrapake