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The Willamette Meteorite weighs 15.5 tons. This iron meteorite, which was found in Oregon. It is the largest meteorite found in North America.

The Willamette Meteorite is an iron-nickel meteorite discovered in the U.S. state of Oregon. It is the largest meteorite found in North America and the sixth largest in the world.

There was no impact crater at the discovery site; researchers believe the meteorite landed in what is now Canada or Montana, and was transported as a glacial erratic to the Willamette Valley during the Missoula Floods at the end of the last Ice Age (~13,000 years ago).