tatanan
jasperoid jinis langka lan aneh saka rupane metasomatic saka rocks. iku kawangun dening rupane nemen saka rocks wall ing zona nyukur kang uga dumadi ing endapan, andesites, trachytes lan basalts.
  
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.
  
komposisi
  
  
isi Mineral
mineral lempung, pyrite, quartz, sulfides
  
amphibole, apatite, biotite, Feldspar, garnet, hornblade, magnetite, plagioclase, pyroxene, quartz, zirkon
  
senyawa isi
NaCl, cao, karbon dioksida, Magnesium karbonat, MgO
  
ca, fe, kalium oxide, na, kalium, silikon dioksida
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi, udan kimia, udan mechanical
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi kimia, erosi gisik, erosi Glacier