Why this rock is probably not a meteorite:

This rock was found embedded in a slab of limestone by someone who cuts limestone for a living. If it were a meteorite, it must have fallen hundreds of millions of years ago into a sea. Some meteorites have been found in sedimentary rocks. Such meteorites are called "fossil meteorites."

This rock doesn't look much like a meteorite. The author admits, however, that he's never seen a fossil meteorite or any meteorite that fell into water.
What is it?

This rock looks like a sedimentary rock, perhaps a conglomerate. There seems to be a clast on the lower right and holes (casts) where other pebbles have fallen out.

Sometimes rocks are carried out to sea by icebergs and get dropped miles from shore when the ice melts. Sediment accumulation eventually buries them. If the seafloor gets exposed millions of years later, a sedimentary rock is formed.


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.