tatanan
foidolites 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.
  
porphyry wis kawangun rong: magma cools alon jero ing lemah ndhuwur utawa magma punika ndingin kanthi cepet minangka erupts saka gunung mbledhos, nggawe butiran alit sing biasane bisa dideleng nganggo mripat wuda.
  
komposisi
  
  
isi Mineral
amphibole, biotite, Feldspar, olivine, plagioclase, pyroxene
  
biotite, chert, Feldspar, garnet, grafit, quartz, silika
  
senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo
  
aluminium oxide, cao, wesi (iii) oxide, kalium oxide, MgO, sodium oxide, silikon dioksida, titanium dioxide
  
transformasi
  
  
metamorphism
Yes
  
Yes
  
jinis metamorphism
metamorphism kakubur, metamorphism cataclastic, hidrotermal metamorphism, impact metamorphism
  
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional
  
cuaca
No
  
Yes
  
jinis udan
ora ditrapake
  
udan biologi, udan kimia, ora kedhaftar
  
erosi
No
  
Yes
  
jinis erosi
ora ditrapake
  
erosi kimia, erosi gisik, erosi Glacier