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  <p class="">The Flannelcasters talk about Banded Iron Formations. These rocks are super old, no longer are formed on Earth, and record the appearance of abundant oxygen.</p>

































<a href="http://feeds.feedburner.com/geologyflannelcast" title="Podcast Episodes RSS" class="social-rss">Podcast Episodes RSS</a>

The Flannelcasters talk about Banded Iron Formations. These rocks are super old, no longer are formed on Earth, and record the appearance of abundant oxygen. Podcast Episodes RSS


          
        
        

        
          
            
          
            
                
                
                
                
                
                
                
                

            
          
        
          
        

        
      
        
      

    
  


  





  <p>The Flannelcasters talk about Banded Iron Formations. These rocks are super old, no longer are formed on Earth, and record the appearance of abundant oxygen.</p>

































<a href="http://feeds.feedburner.com/geologyflannelcast" title="Podcast Episodes RSS" rel="noopener noreferrer">Podcast Episodes RSS</a>

# 93 - Banded Iron Formations

Three geologists sit down and tackle the topics that no one else dares to touch.

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# 93 - Banded Iron Formations

# 93 - Banded Iron Formations