tatanan
trachyte iku sawijining rock vulkanik igneous karo aphanitic kanggo tektur porphyritic. iku padha karo vulkanik saka syenite rock lan formulir minangka asil diferensiasi magmatic.
  
variolites iku sawijining klompok saka batuan beku peteng ijo dhasar sing ngetokne bulak panggonan colored ing lumahing weathered sing menehi dheweke katon pockmarked.
  
komposisi
  
  
isi Mineral
augite, biotite, Feldspar, hornblade, plagioclase, quartz
  
olivine, plagioclase, pyroxene
  
senyawa isi
kalium oxide, sodium oxide, silikon dioksida
  
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism cataclastic, kontak metamorphism, metamorphism regional
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi, udan kimia, udan mechanical
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
No
  
jinis erosi
erosi kimia, erosi gisik, erosi Glacier, erosi segara, banyu erosi, angin erosi
  
ora ditrapake