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Paleo Slide Set: Polar Ice Cores
Cross section of how ice core is sectioned
As mentioned earlier, one of the major advantages of the revolutionary GISP2 drill is the size of the core it takes: 13.2 cm in diameter, containing 75% more ice than the 10 cm diameter cores taken at other high-latitude sites. This figure shows how the core is sliced up and different portions allotted to various analytical and archival purposes. Some ice procedures are consumptive, meaning their analysis requires the destruction of ice, while others have no effect upon the ice. Notice how much of the core is reserved for archival purposes, preserving this long record of earth history for future research.

Photo Credits:
Mark Twickler
GISP2 SMO, University of New Hampshire.
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Last Modified: 12 October 2001

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