Sequence stratigraphy 3

Published: December 5th, 2012

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Sequence stratigraphy 3

This 125-foot core drilled in the Po Plain, Italy, was extracted from the subsurface and partitioned into 3-foot segments. The top of the first core segment, left, represents the present-day plain surface, and deeper depths are shown to the right. In a study published online Friday in Geology, researchers dated mollusk shells extracted from the sediment to conduct the first direct chronological test of sequence stratigraphy, a powerful tool for exploring Earth’s natural resources.

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