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re: what is a fossil
The definition I use is "any evidence of life, more than 10,000 years old"
that takes into consideration the many modes of fossilization, and remains that
are not part of the animal or plant (footprints, impressions, burrows, shells,
gastroliths, etc)...Lenore
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Lenore Adler (412)622-3282
Program Coordinator
Museum on the Move
Carnegie Museum of Natural History
4400 Forbes Avenue
Pittsburgh PA 15213