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Tunguska Update

To: "'meteorite-list@meteoritecentral.com'" <meteorite-list@meteoritecentral.com>
Subject: Tunguska Update
From: Steven Excell <excell@cris.com>
Date: Fri, 31 Oct 1997 16:11:58 -0800
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Ron,

In 1989, Menotti Galli, an Italian, theorized that tiny Tunguska particles of the object may be stuck in the resin of surviving trees. In 1991, he actually went to Tunguska and methodically searched for spruces that had survived the 1908 blast. He found a handful of samples within a 5-mile radius.  In the lab, he discovered particles in appropriately-dated tree rings that had a rounded shape and a distinct chemical signature for a high temperature origin.

A Tunguska96 International Workshop was held at the University of Bologna, July 14-17, 1996.  The program abstracts, some papers and useful links can be found at:
http://bohp03.bo.infn.it/tunguska96
This workshop may be the origin for the Sky & Telescope article you referenced.

Steve
excell@cris.com

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