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Data Publication

U-Pb data from cherts (Onverwacht Group) and strain data from conglomerates (Moodies Group) from the southern margin of the Archean Barberton Greenstone Belt, Eswatini

Heubeck, Christoph | Thomsen, Tonny B. | Heredia, Benjamin D. | Zeh, Armin | Balling, Philipp

GFZ Data Services

(2022)

Descriptions

The southern margin of the Barberton Greenstone Belt in Eswatini limits one of the world’s oldest well-preserved sedimentary and volcanic sequences, 3.57 to 3.2 Ga old. In a segment along that margin, older mafic and ultramafic volcanic rocks were thrust over the youngest strata (quartz-rich sandstones and conglomerates) before being folded and imbricated in thrust slices. Samples described in this publication comprise tabular data of (1) sample locations and crystallization ages of zircons which were extracted from thin tuffaceous units in the thrust sheet, (2) analytical data from laser ablation – inductively coupled plasma – mass spectrometry (LA-ICP-MS), supporting these ages, and (3) quantitative measurements of ductily deformed conglomerate clasts. Field data were collected 2012-2019; U-Pb analyses performed in 2020. The data presented here are the basis for geological maps and cross sections, and are visualized as concordia diagrams form part of in the related publication (Heubeck et al.. 2023).

Keywords


Originally assigned keywords
Archean
Barberton Greenstone Belt
Malolotsha
Moodies Group
klippe
Eswatini
LA-ICP-MS
U-Pb zircon dating
zircon
EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > AGE DETERMINATIONS
EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > MINERALS > MINERAL AGE DETERMINATIONS

Corresponding MSL vocabulary keywords
Archean
laser ablation-inductively coupled plasma-mass spectrometry
zircon

MSL enriched keywords
Precambrian
Archean
equipment
mass spectrometer
laser ablation-inductively coupled plasma-mass spectrometry
minerals
silicate minerals
nesosilicates
zircon
Measured property
strain
Measured property
strain
analysis
geochronology
uranium dating
uranium-lead dating
measured property
age of sample
uranium age
uranium-lead age
sedimentary rock
conglomerate
sandstone
tectosilicates
quartz
inductively coupled plasma-mass spectrometer

MSL enriched sub domains i

geochemistry
rock and melt physics
analogue modelling of geologic processes


Source publisher

GFZ Data Services


DOI

10.5880/fidgeo.2022.037


Creators

Heubeck, Christoph

Friedrich-Schiller-Universität Jena, Department of Geosciences, Jena, Germany

ORCID:

https://orcid.org/0000-0002-2632-2644

Thomsen, Tonny B.

The Geological Survey of Denmark and Greenland (GEUS), Copenhagen, Denmark

ORCID:

https://orcid.org/0000-0002-6233-7974

Heredia, Benjamin D.

The Geological Survey of Denmark and Greenland (GEUS), Copenhagen, Denmark

ORCID:

https://orcid.org/0000-0002-4625-2321

Zeh, Armin

KIT - Karlsruher Institut für Technologie, Institut für Angewandte Geowissenschaften, Karlsruhe, Germany

ORCID:

https://orcid.org/0000-0001-5599-7897

Balling, Philipp

Friedrich-Schiller-Universität Jena, Department of Geosciences, Jena, Germany

ORCID:

https://orcid.org/0000-0002-8439-6369


Contributors

Heubeck, Christoph

ContactPerson

Friedrich-Schiller-Universität Jena, Department of Geosciences, Jena, Germany


References

10.1029/2022tect21828

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10.1016/j.epsl.2006.06.039

10.1016/j.chemgeo.2008.03.005

10.1126/science.1215507

10.1016/j.chemgeo.2004.06.017

10.1029/2009gc002618

10.1039/c1ja10172b

10.1111/j.1751-908x.2012.00158.x

10.1111/ggr.12167

10.1016/j.chemgeo.2007.11.005

10.1016/0012-821x(75)90088-6

10.1016/j.gsf.2018.04.001

10.5194/gchron-3-247-2021

10.1111/j.1751-908x.1995.tb00147.x

10.1111/j.1751-908x.2004.tb01041.x


Citation

Heubeck, C., Thomsen, T. B., Heredia, B. D., Zeh, A., & Balling, P. (2022). U-Pb data from cherts (Onverwacht Group) and strain data from conglomerates (Moodies Group) from the southern margin of the Archean Barberton Greenstone Belt, Eswatini [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.2022.037


Dates

Issued:

2022


Rights

Creative Commons Attribution 4.0 International


Geo location(s)

Malolotsha Syncline at the southern margin of theBarberton Greenstone Belt in Eswatini Swaziland)


Spatial coordinates