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Published: September 19, 2011

Digitization Peña Blanca Spring

Philipp Heck, Robert A. Pritzker Associate Curator for Meteoritics and Polar Studies and Head, Robert A. Pritzker Center, Integrative Research Center

FMNH Collection Data: Classification: Achondrite, aubrite Specimen number: FMNH ME 3240 Specimen mass: 378.77 grams

The Peña Blanca Spring meteorite fell on August 2, 1946 and eventually came to rest in the murky waters of a pond outside of Marathon, Texas. Approximately 70 kg of material was liberated from the waters of the pond including the two largest samples 47 kg and 13 kg. The meteorite is classified as an achondrite aubrite.

Image/animation: © 2011 The Field Museum.

Sources: Meteoritical Bulletin Database and Grady, M. M., Catalogue of Meteorites, 5th ed.


Philipp Heck

Philipp R. Heck is the Robert A. Pritzker Associate Curator of Meteoritics and Polar Studies at the Field Museum of Natural History in Chicago, IL. He is also an Associate Professor (part time) at the University of Chicago's Department of the Geophysical Sciences and the College, and a member of the Chicago Center for Cosmochemistry.

As the curator in charge and head of the Robert A. Pritzker Center for Meteoritics and Polar Studies, Philipp R. Heck oversees the collection of meteorites, the largest meteorite collection housed at a private research institution. Other responsibilities include the curation of the gem, mineral, rock and economic geology collections.