Why this rock is probably not a meteorite:

This rock is in Ontario. Almost-for-sure, it's a glacial erratic - boulder rounded by abrasion in a glacier and dropped where it occurs now when the glacier melted.
What is it?

It's probably a conglomerate.  


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.