Meteorite or Glacial Rock in Indiana

Summary

In April 1958, a citizen from Indiana contacted Project 10073 of the Air Force to report a rock fragment he believed to be part of a meteorite. The report details that the object was analyzed and concluded to be a typical glacial boulder of basalt, transported by glacial movements from the Ice Age. Despite initial assumptions, the analysis revealed no evidence of aerodynamic heating or surface fusion, characteristics typical of meteorites entering the atmosphere. The report also mentions the citizen's interest in searching for gold and other minerals in the area, which generated some excitement about the find.

The letters exchanged between the citizen and Air Force officials show a cordial and professional communication, with the citizen expressing enthusiasm about the possibility of having found something valuable. In the end, he was informed that the fragment was not a meteorite, but his interest and contribution were appreciated. This case illustrates how, even with good intentions, scientific analysis is necessary to distinguish between a meteorite and a common terrestrial rock.