Citation:

PANGAEA.982959

Name: XRF based barium and aluminium calibrated by punctual solution based ICP-OES analysis of IODP Site U1537
Published: 2025-10-01
License: https://creativecommons.org/licenses/by/4.0/
Keywords: authigenic uranium; Biogenic Barium (xsBa); bottom-water oxygenation; export productivity; opal; Scotia Sea; sediment; Southern Ocean; Th; thorium normalization; Weddell Sea

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Published: 2025-10-01 • DOI registered: 2025-10-30

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Abstract:

Bulk element concentrations were measured for a subset of samples on aliquots after digestion on an ICP-OES (Agilent 700 Series) at the Institute of Earth Sciences, Heidelberg University to calibrate XRF data. Biogenic Barium (Babio) was calculated from Ba and Al concentrations following Nürnberg et al. (1997) with a detrital Ba/Al factor of 0.0067.

Keyword(s):

authigenic uranium; Biogenic Barium (xsBa); bottom-water oxygenation; export productivity; opal; Scotia Sea; sediment; Southern Ocean; Th; thorium normalization; Weddell Sea

Project(s):

Integrated Ocean Drilling Program / International Ocean Discovery Program (IODP)

Coverage:

Latitude: -59.111000 * Longitude: -40.906000

Minimum Elevation: -3712.0 m * Maximum Elevation: -3712.0 m

Event(s):

382-U1537 * Latitude: -59.111000 * Longitude: -40.906000 * Elevation: -3712.0 m * Campaign: * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Depth, composite	Depth comp	mcd	Hallmaier, Moritz		CCSF (m)
2	AGE	Age	ka BP	Hallmaier, Moritz		Geocode
3	Barium, area, total counts	Ba count	#	Hallmaier, Moritz		50 kV XRF
4	Aluminium, area, total counts	Al count	#	Hallmaier, Moritz		10 kV XRF
5	Barium	Ba	µg/g	Hallmaier, Moritz	ICP-OES, Agilent 700 with autosampler ASX-520	calibrated
6	Aluminium	Al	mg/g	Hallmaier, Moritz	ICP-OES, Agilent 700 with autosampler ASX-520	calibrated
7	Barium/Aluminium ratio	Ba/Al		Hallmaier, Moritz
8	Barium, biogenic	Ba bio	mg/kg	Hallmaier, Moritz

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2394 data points

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