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Larry Edwards drilling powder from Stalagmite

Larry Edwards drilling powder from Stalagmite

University of Minnesota scientists Larry Edwards uses a dental drill to drill powder from layers in a stalagmite from Venezuela. Edwards separates the uranium and thorium from these powders used to determine the precise ages of the stalagmite useful in studying climate change.
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RM
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42-43725214
Stock Photo ID:
42-43725214
Date Photographed:
November 18, 2011
Model Released:
No Release
Property Released:
No Release
Photographer:
Credit:
© Layne Kennedy/Corbis
License Type:
Rights Managed (RM)
Category:
Collection:
Eureka
Max File Size:
71 MB - 4088px × 6144px • 13.00in. × 20.00in @ 300 ppi

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