(Table 2) Age model of ODP Site 184-1146 ...

• Main Authors: Caballero-Gill, Rocio P, Clemens, Steven C, Prell, Warren L
• Format: Dataset
• Language: English
• Published: PANGAEA 2012
• Subjects: Number; DEPTH, sediment/rock; Age model; Age, error; Sample code/label; Age, minimum/young; Sample code/label 2; Age, maximum/old; Comment; Reference/source; Composite Core; Leg184; Joides Resolution; Ocean Drilling Program ODP; Ice Sheet
• Online Access: https://dx.doi.org/10.1594/pangaea.825967; https://doi.pangaea.de/10.1594/PANGAEA.825967

Orbital tuning of benthic d18O is a common approach for assigning ages to ocean sediment records. Similar environmental forcing of the northern South China Sea and the southeast Asian cave regions allows for transfer of the speleothem d18O radiometric chronology to the planktonic and benthic d18O records from Ocean Drilling Program Site 1146, yielding a new chronology with 41 radiometrically calibrated datums, spanning the past 350 kyr. This approach also provides for an independent assessment of the accuracy of the orbitally tuned benthic d18O chronology for the last 350 kyr. The largest differences relative to the latest chronology occur in marine isotope stages (MIS) 5.4, 5.5, 6, 7, and 9.3. Prominent suborbital-scale structure believed to be global in nature is identified within MIS 5.4 and MIS 7.2. On the basis of the radiometrically calibrated chronology, the time constant of the ice sheet is found to be 5.4 kyr at the precession band (light d18O lags precession minima by -55.4°) and 10.4 kyr at the ... : Sediment depth is given in Rmcd09. ...