Modern Life Depends on This Extinct Rock | Banded Iron Formations

Transcript

Hey, there!. This rock is the backbone of the  global iron industry. It's called banded iron formation, and it's responsible for most of  the iron ore we're mining today. But here's what I think is more interesting: This rock is  extinct. Many of the rocks you can find around you today are still forming somewhere  on earth. Lava is cooling into bas... Read More