tatanan
trachyandesite 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.
  
Wangun konglomerat ngendi endapan dumadi utamané saka krikil lan cobble-ukuran clasts rong milimeter diameteripun wiwit accumulating.
  
komposisi
  
  
isi Mineral
Feldspar alkali, biotite, olivine, plagioclase, pyroxene, sodic plagioclase
  
lempung, wedhi, silika, silt
  
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide
  
NaCl, cao
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism cataclastic, kontak metamorphism, 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 gisik, banyu erosi, angin erosi
  
erosi kimia, erosi gisik