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Formasi Coquina lan Icelandite


Formasi Icelandite lan Coquina


Tatanan

tatanan
Coquina punika rock sedimentary kang kawangun nalika milyar seashell cilik kerang-kaya, disebut Coquina, utawa cockleshell sing die lan Empu sing setor, disarèkaké lan dadi menyang rock nalika meksa wis Applied.   
icelandite punika, hard rock nggoleki-grained kang jinis metasomatite, ateges ngrubah basalt. iku formulir karo utawa tanpa crystallization, salah siji ngisor permukaan minangka rocks intrusive utawa ing lumahing minangka rocks extrusive.   

komposisi
  
  

isi Mineral
apatite, augite, bronzite, kalsit, chert, chlorite, mineral lempung, epidote, Feldspar, garnet, micas, muscovite utawa illite   
amphibole, apatite, biotite, Feldspar, garnet, hornblade, ilmenite, magnetite, plagioclase, pyroxene, quartz, zirkon   

senyawa isi
cao, karbon dioksida, wesi (iii) oxide, MgO   
silikon dioksida   

transformasi
  
  

metamorphism
No   
Yes   

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

cuaca
Yes   
Yes   

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

erosi
Yes   
Yes   

jinis erosi
erosi gisik, erosi segara, banyu erosi, angin erosi   
erosi kimia, erosi gisik, erosi segara, banyu erosi, angin erosi   

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