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Paleo Slide Set: Heinrich Events: Marine Record of Abrupt Climate Changes in the Late Pleistocene
10m piston core being raised to the deck of the Hudson.
Once a site is chosen, the coring assembly is lowered over the edge of the ship. A steel barrel lined with a plastic core liner is driven into the mud of the ocean bottom. The barrel-- now filled with sediment--is next pulled out of the seafloor and raised to ship-board.

Photo Credits:
Anne Jennings
Institute of Arctic and Alpine Research, University of Colorado-Boulder Boulder, Colorado
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Last Modified: 12 October 2001

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