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The percentage of CaCO3 in samples taken from various depths in core GC12, located in the Capricorn Channel

Created 24/06/2017

Updated 24/06/2017

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A gravity core (GC12) was collected from a depth of 990.5 mbsl within the Capricorn Channel, southern Great Barrier Reef (GBR). The percentage of CaCO3 in samples collected from different depths were analysed, along with other parameters, to determine changes in carbonate mineralogy and terrestrial influx. Levels of CaCO3% exhibit an higher percentage of >60% during the middle of Marine Isotope Stage (MIS) 3, levels similar to those seen in MIS 1. Throughout MIS 2 and during the glacial termination the CaCO3% remains relatively constant at ~60%. CaCO3 drops to 50% prior to a possible Antarctic cold reversal (between 14 ka BP and 12 ka BP) at 80cm in the core, before recovering to the 65-70% in the Holocene again.

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Title The percentage of CaCO3 in samples taken from various depths in core GC12, located in the Capricorn Channel
Language English
Licence Creative Commons Attribution 2.5 Australia
Landing Page https://devweb.dga.links.com.au/data/dataset/4f3e087a-bf42-4fad-839a-cbd11b7705fd
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]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "The percentage of CaCO3 in samples taken from various depths in core GC12, located in the Capricorn Channel". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/the-percentage-of-caco3-in-samples-taken-from-various-depths-in-core-gc12-located-in-the-capric

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