Trace element and Vanadium isotope compositions of basalt glass samples from the Reykjanes Ridge (NERC Grant NE/N009886/1)
The data forms the basis of the paper Novella et al (2020 (https://doi.org/10.1016/j.epsl.2019.115973) and full interpretation can be found there. Basalt glass chips were supplied by Bramley Murton (Southampton) and the sample contexts are detailed in https://doi.org/10.1093/petrology/43.11.1987. New trace element data is provided for the clean basaltic glasses (all reported in ppm). The Vanadium isotope composition (del51V) is also reported for these chips. Uncertainties in these analyses are provided as 2-sigma. Updated estimates of the ferric iron content of these chips also provided, based on recalibration of the data reported by Shorttle et al 2015 (https://doi.org/10.1016/j.epsl.2015.07.017).
dataset
:
http://data.bgs.ac.uk/id/dataHolding/13607903
English
Geoscientific information
GEMET - INSPIRE themes, version 1.0:
BGS Thesaurus of Geosciences:
Earth mantle
Fugacity
Mass spectroscopy
NGDC Deposited Data
Free:
Free:
NERC_DDC
-33.0000,
57.4600,
-24.7800,
62.9200
MID-ATLANTIC RIDGE [id=905500]
creation: 2022-02-02
2016-02-01
-
2018-02-01
vector
University of Cambridge
Dr John Maclennan
Downing Street,
Cambridge,
CB2 3EQ
email:
not available
Role: originator
University of Cambridge
Dr John Maclennan
Downing Street,
Cambridge,
CB2 3EQ
email:
not available
Role: principal investigator
British Geological Survey
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British Geological Survey
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Data Quality
TRACE ELEMENTS: Clean glass chips were selected and mounted for Laser-Ablation ICP-MS. Trace and rare earth element (REE) concentrations were measured by laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS) at the Department of Earth Sciences, the University of Cambridge. This analytical setup combines a NWR193 excimer laser ablation systems with a Perkin Elmer NexION 350D ICP mass spectrometer. VANADIUM ISOTOPES: Clean glass shards without visible minerals, inclusions or weathering features were hand-picked under an optical microscope and ground in an agate mortar to obtain a homogeneous, fine powder. Dissolved basalts were processed through ion exchange chromatography following the protocol of Nielsen et al. (2011). Vanadium isotopic compositions were measured with a Nu Plasma II multi collector inductively coupled plasma mass spectrometer (Hopkins et al., 2019).
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Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"
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d72eaf64-3fcc-3d2a-e054-002128a47908
British Geological Survey
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2024-04-24