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Buseck Center for Meteorite Studies

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Buseck Center for Meteorite Studies

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Carleton B. Moore Meteorite Collection
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July 1, 2025

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Meteorite of the Month

Johnstown

The Johnstown meteorite fell the afternoon of July 6, 1924, in Weld County, Colorado. Johnstown is an achondrite (meaning that it formed on a differentiated planetary body, and does not contain chondrules) from the diogenite group. Part of the HED (Howardites, Eucrites and Diogenites) group of achondrites, diogenites are believed to originate in the crust [...]