Age determination of sediment core SO130-261KL

In a core off Pakistan, we obtained 38 14C analyses by accelerator mass spectrometry (AMS) from a 4.4-m thick, expanded, annually-laminated Last Glacial Maximum (LGM) section, bracketed by bioturbated intervals ascribed to the Heinrich-1 (H1) and Heinrich-2 (H2) equivalent events (52 14C analyses be...

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Bibliographic Details
Main Authors: von Rad, Ulrich, Sarnthein, Michael, Grootes, Pieter Meiert, Doose-Rolinski, Heidi, Erbacher, Jochen
Format: Dataset
Language:English
Published: PANGAEA 2003
Subjects:
KL
MAKRAN 2
Piston corer (BGR type)
SO130
SO130_261KL
Sonne
ice core
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.736809
https://doi.org/10.1594/PANGAEA.736809
Description
Summary:In a core off Pakistan, we obtained 38 14C analyses by accelerator mass spectrometry (AMS) from a 4.4-m thick, expanded, annually-laminated Last Glacial Maximum (LGM) section, bracketed by bioturbated intervals ascribed to the Heinrich-1 (H1) and Heinrich-2 (H2) equivalent events (52 14C analyses between 24-15 kyr BP). A floating varve age scale, anchored to the oxygen isotope record of the layer-counted GISP2 ice core at the H2/LGM boundary, results in an annually dated record for the LGM from 23,450-17,900 cal BP. The floating varve scale of the LGM provides us with a tentative calibration of local marine AMS 14C age dates to calendar years.

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