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Science-Related Homework Help Geography and Earth Sciences Topic started by: sopmit on Jan 23, 2018

Title: Describe and discuss the formation of the Proterozoic Banded Iron Formations (BIFs). What are they ...
Post by: sopmit on Jan 23, 2018

Describe and discuss the formation of the Proterozoic Banded Iron Formations (BIFs). What are
they composed of? Why are these BIFs economically important? What will be an ideal response?

Title: Describe and discuss the formation of the Proterozoic Banded Iron Formations (BIFs). What are they ...
Post by: ecarvallo1 on Jan 23, 2018

BIFs are composed of the iron oxide minerals hematite and magnetite interbedded with layers of
chert. The increasing oxygen contained in Earths atmosphere caused precipitation of these iron
oxides from seawater. BIFs are important sources of iron for industrial purposes.

Title: Describe and discuss the formation of the Proterozoic Banded Iron Formations (BIFs). What are they ...
Post by: sopmit on Jan 23, 2018

I'd be lost without you