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Ripple cross-laminated sediments on the East Antarctic Shelf: evidence for episodic bottom water production during the Holocene?

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Created 20/01/2025

Updated 20/01/2025

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Biosiliceous sediments sampled from a submarine valley system on the continental shelf of East Antarctica contain intervals of ripple cross-lamination interspersed with massively bedded units. Based on radiocarbon dates from one core collected on the Mac.Robertson Shelf, the most intensely cross-laminated sediments were deposited between 6 000 and 3 500 years before the present, with isolated cross-laminae deposited at other times in the Holocene.

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Title Ripple cross-laminated sediments on the East Antarctic Shelf: evidence for episodic bottom water production during the Holocene?
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/6cb2e431-27ff-42e5-9a86-0c299d90d856
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[62.0, -67.75], [66.0, -67.75], [66.0, -66.9], [62.0, -66.9], [62.0, -67.75]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Ripple cross-laminated sediments on the East Antarctic Shelf: evidence for episodic bottom water production during the Holocene?". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/ripple-cross-laminated-sediments-on-the-east-antarctic-shelf-evidence-for-episodic-bottom-water

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