tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.
  
Wangun mugearite nalika lahar tekan lumahing bumi near vulkanik. suhu lava iku antarane 1100 1250 ° c nalika nemu menyang permukaan.
  
komposisi
  
  
isi Mineral
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene
  
olivine, plagioclase, pyroxene
  
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, impact metamorphism
  
cuaca
Yes
  
Yes
  
jinis udan
udan biologi
  
udan biologi, udan kimia
  
erosi
Yes
  
No
  
jinis erosi
erosi kimia, angin erosi
  
ora ditrapake