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Smithsonian National Museum of Natural History

Lafayette meteorite

Photograph of flow lines in the Lafayette meteorite (USNM 1505)
Photo by Chip Clark. Click to zoom.
Catalog Number USNM 1505
Meteorite Type Nakhlite
Locality Indiana, United States
Weight 602 g

The fusion crust of this small (10 cm diameter) meteorite shows streaks of melted rock that flowed back from its leading edge as it entered Earth’s atmosphere. Gases trapped within these meteorites closely match those measured in the atmosphere of Mars by the Viking landers in 1976.


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