coresec2.jpg

A section of a core drilled into the sediment at the bottom of a lake containing microfossils that can tell us about the climate at the time each sediment layer was deposited
Originally uploaded in Starting Point-Teaching Entry Level Geoscience:Earth History Approach.

Image 1205 is a 300 by 109 pixel JPEG
Uploaded: Apr8 04

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Climate Change
http://serc.carleton.edu/introgeo/earthhistory/climate.html

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