Rock Elm impact crater, Wisconsin, USA – (diameter : 6km wide, age : 505m years)
One of the oldest craters in North America and poorly distributed in private collections.
The specimen offered here is a slice of impact breccia that is polished on one side. It weighs approx. 47 grams.
Refer to the photos. The black centimeter cube is shown for scale and is not included. You are purchasing the specimen shown. Your purchase will include an ID label.
