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THICKNESS CONSTRAINTS OF THE PATAGONIANICE SHEET OVER THE LAST GLACIAL CYCLE USING IN-SITU PRODUCED COSMOGENIC NUCLIDE SURFACE EXPOSURE DATING

Details (as held in the RGS-IBG Expeditions Database at 4/19/2024 6:09:03 PM)
Country(s): Argentina, Chile
Organisation: Glasgow University
Contact: Alessa Janine Geiger
Website:
E Mail: alessa.geiger@glasgow.ac.uk
Members: 1
Year: 2012
Start: 1/2/2012
End: 3/8/2012
Status: Returned
Location: Patagonian Ice Sheet, southern Chile & Argentina

Summary
The study will provide critical empirical field based constraints of the vertical extent of the Patagonian Ice Sheet over the last glacial cycle. In-situ produced terrestrial cosmogenic nuclides 10Be and 26Al are used to date the surface exposure of erratic boulders and/or bedrock on high altitude ridges/summits (500-2000 m.a.s.l.). This will yield age-elevation correlations, rates of ice surface lowering, and volumetric configurations of the Patagonian Ice Sheet at 49°S over the last glacial cycle. The data will feed into palaeoclimatic reconstructions of Patagonia, southern South America.

Publications
TypeDetailsRefLocation
Report7pp. ColourIllust.Electronic and hard-copy5587Report Collection

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