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trace fossil |
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trace fossil [′trās ‚fäs·əl] (geology) A trail, track, or burrow made by an animal and found in ancient sediments such as sandstone, shale, or limestone. Also known as ichnofossil. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The still life portrayed in a 315-million-year-old set of fossil footprints discovered in southwestern Indiana is a poignant vignette of life, death, and Paleontologists have unearthed a multitude of fossil footprints in sediments in northwest Argentina, and now there is a burning question they would love to answer: What left the tracks? Scientists interpreted the pits as fossil footprints because of the area's abundance of dinosaur remains. |
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