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Formasi Anorthosite lan Ignimbrite


Formasi Ignimbrite lan Anorthosite


Tatanan

tatanan
anorthosite punika phaneritic, intrusive rock igneous kang ditondoi dening predominance saka plagioclase Feldspar kang meh 90-100%, lan komponèn mafic tithik.  
ignimbrites sing kawangun saka dicampur banget lingkungan diurutake saka awu vulkanik utawa tuff lan pumice lapilli, umum karo pecahan lithic kasebar.  

komposisi
  
  

isi Mineral
amphibole, clinopyroxene, ilmenite, magnetite, olivine, orthopyroxene  
apatite, biotite, kalsit, chlorite, Feldspar, hematite, hornblade, ilmenite, magnetite, olivine, pyroxene, quartz  

senyawa isi
ca, cao, krom (iii) oxide, MgO, trioxide belerang  
ca, NaCl  

transformasi
  
  

metamorphism
Yes  
Yes  

jinis metamorphism
metamorphism cataclastic, kontak metamorphism  
metamorphism kakubur, kontak metamorphism, hidrotermal metamorphism, impact metamorphism, metamorphism regional  

cuaca
Yes  
Yes  

jinis udan
udan biologi  
udan biologi, udan kimia  

erosi
Yes  
Yes  

jinis erosi
erosi kimia, angin erosi  
erosi kimia, erosi gisik  

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