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SUMMARY:Nick Shackleton and the Big White Box in the Car Park - David Hode
 ll\, University of Cambridge
DTSTART:20230516T110000Z
DTEND:20230516T120000Z
UID:TALK177026@talks.cam.ac.uk
CONTACT:Oscar Branson
DESCRIPTION:The Iberian margin is a well-known source of rapidly accumulat
 ing sediment that preserve a high-fidelity record of millennial climate va
 riability (MCV). Using piston cores from the region\, Nick Shackleton demo
 nstrated that surface and deep-water climate signals can be correlated pre
 cisely to the polar ice cores in both hemispheres and with European terres
 trial sequences. The continuity\, high sedimentation rates\, and fidelity 
 of the climate signals recorded in Iberian margin sediments make this regi
 on a prime target for ocean drilling. The purpose of International Ocean D
 iscovery Program (IODP) Expedition 397 was to extend these remarkable pale
 oclimate records beyond the range of existing piston and IODP cores\, curr
 ently limited to last 1.5 million years. Between 11 October and 11 Decembe
 r 2022\, we recovered a total of 6176.7 m of core at four sites (U1586\, U
 1587\, U1385 and U1588) using the drilling vessel JOIDES Resolution. Preli
 minary results of X-ray fluorescence scanning of cores from IODP Site U138
 5 -- stored in the car park shipping container -- demonstrate the great po
 tential of Iberian margin sediments for providing benchmark paleoclimate r
 ecords of MCV for the entire Pliocene and Quaternary.
LOCATION:Department of Earth Sciences\, Tilley Lecture Theatre
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