Why this rock is probably not a meteorite:

Meteorites aren't shaped like this.  
What is it?

Parts do have a glassy coating that looks like a fusion crust. We did not see the whole rock, but we analyzed a small piece. It is a fine-grained igneous rock with a basaltic, but very terrestrial, composition. It may be an mini laccolith (inverted in photo).


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.