Meteorite or Meteorwrong

"Cannon Ball" Concretions

Here are some photos of "cannon ball" concretions in north unit of Theodore Roosevelt National Park in North Dakota. (Click on image for enlargement. Photos by Randy Korotev)



Prepared by: Randy L. Korotev

Department of Earth and Planetary Sciences
Washington University in St. Louis

Please donít contact me about the meteorite you think that
youíve found until you read this and this.



Last revised: 17 April 2019