Data Publication

Compilation of global Archean and Paleoproterozoic sanukitoid geochemical data

Spencer, Laura M.

GFZ Data Services

(2026)

Descriptions

Sanukitoids, also referred to as high-Mg diorites, are a distinctive type of igneous rock from the late Archean-early Proterozoic, and are characterised by enrichment in both compatible elements (e.g. Mg, Ni, Cr) and incompatible elements (e.g. Ba, Sr, light rare earth elements). Their geochemistry is typically interpreted as recording petrogenesis of their parental magmas via interaction between mantle peridotite and recycled crust-derived component (e.g. metabasite melts, sediment melts, aqueous fluids), and is often considered to be "transitional" between that of Archean sodic tonalite-trondhjemite-granodiorite (TTG) suites and post-Archean potassic granites.
This dataset presents a global compilation of all Archean-Paleoproterozoic rocks that have been described as "sanukitoid" in published literature, and consists of over 3600 individual samples. Whole rock major and trace element concentrations, radiogenic isotope compositions and stable isotope compositions are compiled in the dataset alongside reported magmatic ages of the samples. The dataset is provided both as an Excel workbook divided by craton (file: 2025-003_Spencer-et-al_Sanukitoid-Compilation.xlsx) and as a single CSV file (file: 2025-003_Spencer-et-al_Sanukitoid-Compilation.csv).
Sanukitoid magmatism has been described on almost every Archean craton globally. Most reported sanukitoid magmatism occurred during the late Mesoarchean-Neoarchean (2.95 - 2.5 Ga), with another peak in sanukitoid magmatism in the mid-Paleoproterozoic (2.2 - 2.0 Ga). Older sanukitoid occurrences dating back to the Paleoarchean (>3.2 Ga) are also described in the literature.

The DIGIS geochemical data repository is a research data repository in the Earth Sciences domain with a specific focus on geochemical data. It is hosted at GFZ Data Services through a collaboration between the Digital Geochemical Data Infrastructure (DIGIS) for GEOROC 2.0 (https://digis.geo.uni-goettingen.de) and the GFZ Helmholtz Centre for Geosciences. The repository archives, publishes and makes accessible user-contributed, peer-reviewed research data that fall within the scope of the GEOROC database. Compilations of previously published data are also made available on the GEOROC website (https://georoc.eu) as Expert Datasets.

Keywords

MSL enriched keywords
Precambrian
Proterozoic
Paleoproterozoic
Archean
igneous rock - intrusive
acidic intrusive
granite
granodiorite
tonalite
intermediate intrusive
diorite
ultrabasic intrusive
peridotite
Mesoarchean
Neoarchean
Paleoarchean
intraplate setting
cratonisation
craton
measured property
barium
magnesium
nickel
strontium
MSL vocabulary keywords corresponding to originally assigned keywords
Precambrian
Originally assigned keywords
sanukitoid
high-Mg diorite
compound material > rock > igneous rock
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES > CHEMICAL CONCENTRATIONS
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES > ISOTOPE RATIOS
EARTH SCIENCE > SOLID EARTH > GEOCHEMISTRY > GEOCHEMICAL PROPERTIES > ISOTOPIC AGE
Precambrian
Precambrian > Archean
Precambrian > Archean > Mesoarchean
Precambrian > Archean > Neoarchean
Precambrian > Archean > Paleoarchean
Precambrian > Proterozoic > Paleoproterozoic

Metadata


MSL enriched sub domains

geochemistry

Resource Type

Dataset


Source

https://dataservices.gfz.de/10.5880/digis.e.2025.003/compilation-of-global-archean-and-paleoproterozoic

Source publisher

GFZ Data Services

DOI

10.5880/digis.e.2025.003

Creators

Spencer, Laura M.
Personal
https://orcid.org/0009-0006-1027-7638
School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK | now at: Institut de Physique du Globe de Paris, Paris, France

Contributors

CELTIC - Cardiff Earth Laboratory for Trace Element and Isotope Chemistry, School of Earth and Environmental Sciences, Cardiff University, UK
Organizational
School of Earth and Environmental Sciences, Cardiff University, UK
Spencer, Laura M.
Personal
https://orcid.org/0009-0006-1027-7638
School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK
Spencer, Laura M.
Personal
https://orcid.org/0009-0006-1027-7638
School of Earth and Environmental Sciences, Cardiff University, Cardiff, UK; now at: Institut de Physique du Globe de Paris, Paris, France

Citation

Spencer, L. M. (2026). Compilation of global Archean and Paleoproterozoic sanukitoid geochemical data [Dataset]. GFZ Data Services. https://doi.org/10.5880/DIGIS.E.2025.003


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Dates

Issued 2026

Language

- no language entry found -


Funding References

Funder Name Natural Environment Research Council
Funder Identifier https://doi.org/10.13039/501100000270
Award Number NE/S007504/1
Award Title NERC GW4+ Doctoral Training Partnership studentship
Funder Name Geological Survey of Western Australia
Funder Identifier https://doi.org/10.13039/501100019109
Award Number STU40714
Award Title CASE studentship

Rights

Name Creative Commons Attribution 4.0 International
URI https://creativecommons.org/licenses/by/4.0/legalcode
Identifier cc-by-4.0
Identifier Scheme SPDX
Scheme URI https://spdx.org/licenses/

Locations


Geo location(s)

Global


Spatial coordinates