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Formasi Borolanite lan Obsidian


Formasi Obsidian lan Borolanite


Tatanan

tatanan
borolanites sing kawangun amarga aktivitas igneous alkalin lan umumé kawangun ing wilayah dharatan crustal nglukis utawa ing zona subduksi cordilleran.   
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
albite, amphibole, biotite, cancrinite, Feldspar, hornblende, plagioclase, pyroxene, sodalite   
ora kasedhiya   

senyawa isi
aluminium oxide, cao, wesi (iii) oxide, feo, kalium oxide, MgO, keda, sodium oxide, fosfor pentoxide, silikon dioksida, titanium dioxide   
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 regional   
metamorphism kakubur, metamorphism cataclastic, kontak metamorphism   

cuaca
Yes   
Yes   

jinis udan
udan kimia, udan mechanical   
udan biologi, udan kimia, udan mechanical   

erosi
Yes   
Yes   

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

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