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Formasi Anorthosite lan Obsidian


Formasi Obsidian 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.   
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   

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