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Age vs Depth profile of core GC14, collected from the Capricorn Channel off the Eastern Australian Coast

Created 25/06/2017

Updated 11/08/2023

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A gravity core (GC14) was collected from a depth of 2004 mbsl within the Capricorn Channel, southern Great Barrier Reef (GBR). Isotopic values for 18-O and 13-C were obtained from : Globigerinoides ruber and correlated with the SPECMAP age-model. It appears that the core extends back to MIS 3 (Marine Isotope Stage). From limited depth matching with the Martinson et al. (1987) SPECMAP age-model it is extremely difficult to determine a sedimentation rate, however, it exhibits a relatively uniform rate throughout the core of ~4cm/kyr. This is a fairly high sedimentation rate for a core this distal and abyssal.

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Title Age vs Depth profile of core GC14, collected from the Capricorn Channel off the Eastern Australian Coast
Language English
Licence Creative Commons Attribution 2.5 Australia
Landing Page https://data.gov.au/data/dataset/58ee9505-712c-4199-b92d-cec34c04b45b
Contact Point
National Institute of Water and Atmosphere (NIWA)
h.bostock@niwa.co.nz
Reference Period 25/06/2017
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        154.0,
        -24.0
      ],
      [
        154.5,
        -24.0
      ],
      [
        154.5,
        -23.5
      ],
      [
        154.0,
        -23.5
      ],
      [
        154.0,
        -24.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Data.gov.au