Image:Treesmed.gif

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Treesmed.gif‎ (41KB, MIME type: image/gif)

This 84-million-year-old air bubble lies trapped in amber (fossilized tree sap). Using a quadrupole mass spectrometer, scientists can learn what the atmosphere was like when the dinosaurs roamed the earth.

Source:http://minerals.cr.usgs.gov/gips/na/0amber.htm#amber

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This image is a work of a United States Geological Survey employee, taken or made during the course of the person's official duties. As a work of the United States Government, the image is in the public domain. For more information, see the USGS copyright policy.

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  • (del) (cur) 17:53, 26 December 2004 . . Vsmith (Talk | contribs) . . 320×234 (41,677 bytes) (This 84-million-year-old air bubble lies trapped in amber (fossilized tree sap). Using a quadrupole mass spectrometer, scientists can learn what the atmosphere was like when the dinosaurs roamed the earth.)

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