original question: To which meteorite class does [Willamette Meteorite] belong?
answer: iron meteorite
answer type: Meteorite classfication.
auxiliary information: The Willamette Meteorite, officially named Willamette, 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. The meteorite is currently on display at the American Museum of Natural History, which acquired the meteorite in 1906. Having been seen by an estimated 40 million people over the years, and given its striking appearance, it is among the most famous meteorites known.
Identify the meteorite class to which the [Willamette Meteorite] belongs.