Why this rock is probably not a meteorite:

1) No fusion crust.

2) It's got vesicles.
 
What is it?

This is a very typical terrestrial basalt. Notice that the vesicles are elongated. That shows that the basaltic lava was flowing as it cooled.
     


www.catchafallingstar.com
www.catchafallingstar.com


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.

e-mailkorotev@wustl.edu