spacer
 
Advanced Search
Astrobiology Magazine Facebook  Astrobiology Magazine Twitter
Terrestrial Climate
Midcontinent Rift System
03/08/13

 

One billion years ago, the Earth's crust split across part of the North American continent. This tear or rift, known as the Midcontinent Rift System, extended for 950 miles from what is now Lake Superior to Oklahoma, and was on its way to becoming a full-fledged ocean when the process halted.  Credit: Raymond R. Anderson, Iowa Department of Natural Resources



Viewed:  69 times

 

 

 

About Us
Contact Us
Links
Sitemap
Podcast Rss Feed
Daily News Story RSS Feed
Latest News Story RSS Feed
Learn more about RSS
Chief Editor & Executive Producer: Helen Matsos
Copyright © 2014, Astrobio.net