Uranium and Thorium activity data in sediment cores in the North Atlantic Ocean (NERC Grant NE/M004619/1)
Activity (dpm/g) of Uranium and thorium isotopes from 3 sediment cores in the North Atlantic: ODP980, ODP983, EW9302-2JPC. Ocean Drilling Program (ODP) Site 980 was drilled in July 1995 in the North Atlantic Ocean, on the Feni Drift, off the eastern edge of the Rockall Plateau at 55.49°N, 14.70°W. Hole 980A Position: 55°29.087'N, 14°42.134'W. Hole 980B Position: 55°29.094'N, 14°42.137'W. ODP Site 983 was drilled was drilled in July 1995 and is located on the Bjorn Drift in approximately 1650 m water depth on the eastern flank of the Reykjanes Ridge. Hole 983A Position: 60°24.200'N, 23°38.437'W. Site EW9302-2JPC, an ODP Site Survey in 1993, of Rockall Plateau and East Flank of Reykjanes Ridge from the Flemish Cap in the south- eastern Labrador Sea (Figure 1). EW9302-2JPC Position: 4847.700 N, 4505.090 W, taken at water depth 1251m.
dataset
:
http://data.bgs.ac.uk/id/dataHolding/13608046
English
Geoscientific information
GEMET - INSPIRE themes, version 1.0:
BGS Thesaurus of Geosciences:
Sediments
Thorium
NGDC Deposited Data
Uranium
Free:
Free:
NERC_DDC
-45.0800,
55.4800,
-14.7000,
60.4000
NORTH ATLANTIC OCEAN [id=2002262]
creation: 2023-02-28
2015-09-01
-
2017-10-31
vector
University of St Andrews
Andrea Burke
Bute Building, Queen's Terrace,
St Andrews,
KY16 9TS
email:
not available
Role: originator
British Geological Survey
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Role: distributor
British Geological Survey
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Data Quality
Sedimentary uranium (U) and thorium (Th) isotopes were measured using approximately 10 mg of dried and homogenised sediment. The sediment was spiked with a 236U- 229Th mixed spike and then totally digested with a mixed HClO4, HF, HNO3 solution in a 0.5:1:2 ratio. U and Th were separated from the matrix using the anion exchange UTEVA resin in a single column step (Nita, 2012). U and Th isotope ratios were measured using sample-standard bracketing on a Neptune Plus multi-collector inductively coupled plasma mass spectrometry (MC-ICP-MS) at the St Andrews Isotope Group (STAiG) laboratory, University of St Andrews following the procedure of (Hoffmann et al., 2007). Splice of ODP980 is as published in Crocker et al., 2016
INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology
Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
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Metadata about metadata
f6f198b0-b40a-4a51-e053-0937940a7548
British Geological Survey
Environmental Science Centre,Keyworth,
NOTTINGHAM,
NG12 5GG,
United Kingdom
tel: +44 115 936 3100
email:
enquiries@bgs.ac.uk
Role: point of contact
2024-04-24