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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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