tatanan
ignimbrites sing kawangun saka dicampur banget lingkungan diurutake saka awu vulkanik utawa tuff lan pumice lapilli, umum karo pecahan lithic kasebar.
  
essexite jinis rock igneous, kang biasane abu ireng rock plutonic. kanggo tatanan kang essexite, magma cocok karo komposisi pas k, ba, rb, cs, sr kudu diprodhuksi.
  
komposisi
  
  
isi Mineral
apatite, biotite, kalsit, chlorite, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz
  
augite, Feldspar, hornblende, nepheline, olivine, plagioclase, pyroxene
  
senyawa isi
ca, NaCl
  
aluminium oxide, ba, ca, cs, kalium, rb, sodium, sr
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia
  
udan biologi, udan kimia
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, erosi gisik
  
erosi gisik, erosi Glacier, banyu erosi