A meteorite that beat one-in-a-million odds of being seen as it hit Earth has proven to have even rarer characteristics. The Noblesville meteorite, named for the Indiana location where it fell in 1991, is unusual in its age, type and size, says a Purdue University researcher who analyzed the fragment. Read more
The stone passed two witnesses, Brodie Spaulding and Brian Kinzie, who observed it land 3.56 m in front of them on the lawn in front of a house. No light or sound except for the whirring sound as it passed and the thud in the ground was noticed. It is an oriented specimen with well-developed flight markings, weight 483.7 g. Large white H6-clasts have olivine Fa20, pyroxene Fs18-20, mean 19, the H4-host has olivine Fa16-21, mean 19, pyroxene Fs 7-22, mean 17, PMD 2%, thin section, classification and analysis, M. E. Zolensky, NASA Johnson Space Centre, Code SN2, Houston, Texas 77058, USA. Information, M. E. Lipschutz, Dept. Chemistry, Purdue University, West Lafayette, Indiana 47907-1393, USA. The main mass will be returned after the analyses to the finder, B. Spaulding. Read more (PDF)