Teays River System - Marshall University
Teays River System - Marshall University
Teays River System - Marshall University
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The next slide shows an abrupt change in the thickness<br />
of the varves from an average of 3mm to 6 mm, a<br />
change that took place over just a few years. An<br />
apparent significant climate shift took place in a short<br />
period of time. At present it is not known what caused<br />
the change.
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