tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
  
nalika lahar dirilis saka gunung, iku diwiwiti saka cooling cepet banget kang freezes mekanisme saka crystallization. asil punika kaca vulkanik karo susunan Gamelan seragam.
  
komposisi
  
  
isi Mineral
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
  
ora kasedhiya
  
senyawa isi
ca, cao, krom (iii) oxide, MgO, trioxide belerang
  
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 kakubur, metamorphism cataclastic, kontak metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi
  
udan biologi, udan kimia, udan mechanical
  
erosi
Yes
  
Yes
  
jinis erosi
erosi kimia, angin erosi
  
erosi kimia, erosi gisik, erosi Glacier