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The percentage of calcium carbonate in samples taken from various depths in core GC11, located in the Capricorn Channel

A gravity core (GC11) was collected from a depth of 502 mbsl within the Capricorn Channel, southern Great Barrier Reef (GBR). The percentage of calcium carbonate in samples collected from different depths were analysed, along with other parameters, to determine changes in carbonate mineralogy and terrestrial influx. The results indicate that CaCO3% increases rapidly at the terminations, with highs during the interglacials and as low as 50% during some of the glacials. The CaCO3% highs of around 85% coincide with very low sedimentation rates of <1 cm/kyr and are probably dominated by pelagic productivity.

Data and Resources

Additional Info

Field Value
Title The percentage of calcium carbonate in samples taken from various depths in core GC11, located in the Capricorn Channel
Type Dataset
Language English
Licence Creative Commons Attribution 2.5 Australia
Data Status inactive
Update Frequency notPlanned
Landing Page http://data.gov.au/dataset/03006b0d-ff78-4994-9b82-eb3d3743fff6
Date Published 2017-06-24
Date Updated 2017-06-24
Contact Point
National Institute of Water and Atmosphere (NIWA)
h.bostock@niwa.co.nz
Geospatial Coverage {"type": "Polygon", "coordinates": [[[151.5, -24.5], [153.0, -24.5], [153.0, -23.0], [151.5, -23.0], [151.5, -24.5]]]}
Jurisdiction Commonwealth of Australia
Data Portal Australian Oceans Data Network CSW Harvester
Publisher/Agency National Institute of Water and Atmosphere (NIWA)
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