Why this rock is probably not a meteorite:

This was found in the French Pyrenees. The white clast is too rounded for a meteorite impact breccia and the matrix has vesicles. Meteorites don't have vesicles like this.
What is it?

I suspect it's man-made.


Prepared by:

Randy L. Korotev

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

Please don't contact me about the meteorite you think you’ve found until you read this and this.