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Data Publication

Geochemical and geochronological data from the LeMay Group, Antarctic Peninsula

Riley, Teal

British Geological Survey - National Geoscience Data Centre (UKRI/NERC)

(2022)

The files include full analytical details and datasets from the laboratories used for the acquisition of U-Pb zircon geochronology, Lu-Hf isotope geochemistry and 40Ar/39Ar analysis of detrital white mica. Also included are a list of all the published datasets used in the construction of the MDS and ridge plots for detailed regional comparisons. The data were collected in the interval January 2021 to March 2022 across a number of laboratories: Stockholm, University College London, British Geological Survey, Trinity College Dublin, Australian National University (U-Pb zircon geochronology); Open University (40Ar/39Ar analysis) and British Geological Survey (Lu-Hf isotopes). The analyses were conducted by Teal Riley (Stockholm, British Geological Survey), Ian Millar (Australian National University), Andrew Carter (University College London), Joaquin Bastias (Trinity College Dublin), Craig Storey (Open University). The analyses were conducted to examine the provenance and depositional history of the accretionary LeMay Group complex of Alexander Island.

Keywords


Originally assigned keywords
EARTH SCIENCESOLID EARTHGEOCHEMISTRY
Geochemistry
Geochronology
Provenance
Zircon

Corresponding MSL vocabulary keywords
geochronology
zircon

MSL enriched keywords
analysis
geochronology
minerals
silicate minerals
nesosilicates
zircon
phyllosilicates
mica
lutetium-hafnium dating
uranium dating
uranium-lead dating
measured property
age of sample
lutetium-hafnium age
uranium age
uranium-lead age

MSL enriched sub domains i

geochemistry


Source publisher

British Geological Survey - National Geoscience Data Centre (UKRI/NERC)


DOI

10.5285/c0c56e6d-d13b-4480-bbd3-cd613ab57b33


Authors

Riley, Teal

0000-0002-3333-5021

British Antarctic Survey;


Contributers

Researcher

0000-0002-3333-5021

British Antarctic Survey;

ContactPerson

0000-0002-3333-5021

British Antarctic Survey;

DataManager

Natural Environment Research Council;

Distributor

Natural Environment Research Council;

HostingInstitution

Natural Environment Research Council;


References

Boekhout, F., Spikings, R., Sempere, T., Chiaradia, M., Ulianov, A., & Schaltegger, U. (2012). Mesozoic arc magmatism along the southern Peruvian margin during Gondwana breakup and dispersal. Lithos, 146–147, 48–64. https://doi.org/10.1016/j.lithos.2012.04.015

10.1016/j.lithos.2012.04.015

References

Bouvier, A., Vervoort, J. D., & Patchett, P. J. (2008). The Lu–Hf and Sm–Nd isotopic composition of CHUR: Constraints from unequilibrated chondrites and implications for the bulk composition of terrestrial planets. Earth and Planetary Science Letters, 273(1–2), 48–57. https://doi.org/10.1016/j.epsl.2008.06.010

10.1016/j.epsl.2008.06.010

References

Corfu, F., & Ayres, L. D. (1984). U-Pb age and genetic significance of heterogeneous zircon populations in rocks from the Favourable Lake area, Northwestern Ontario. Contributions to Mineralogy and Petrology, 88(1–2), 86–101. https://doi.org/10.1007/bf00371414

10.1007/BF00371414

References

Corfu, F., & Noble, S. R. (1992). Genesis of the southern Abitibi greenstone belt, Superior Province, Canada: Evidence from zircon Hf isotope analyses using a single filament technique. Geochimica et Cosmochimica Acta, 56(5), 2081–2097. https://doi.org/10.1016/0016-7037(92)90331-c

10.1016/0016-7037(92)90331-C

References

Jeon, H., & Whitehouse, M. J. (2015). A Critical Evaluation of U–Pb Calibration Schemes Used in SIMS Zircon Geochronology. Geostandards and Geoanalytical Research, 39(4), 443–452. Portico. https://doi.org/10.1111/j.1751-908x.2014.00325.x

10.1111/j.1751-908X.2014.00325.x

References

Nowell, G., & Parrish, R. R. (2007). Simultaneous acquisition of isotope compositions and parent/daughter ratios by non-isotope dilution-mode plasma ionisation muti-colector mass spectrometry (PIMMS). Plasma Source Mass Spectrometry, 298–310. https://doi.org/10.1039/9781847551696-00298

10.1039/9781847551696-00298

References

Paces, J. B., & Miller, J. D. (1993). Precise U‐Pb ages of Duluth Complex and related mafic intrusions, northeastern Minnesota: Geochronological insights to physical, petrogenetic, paleomagnetic, and tectonomagmatic processes associated with the 1.1 Ga Midcontinent Rift System. Journal of Geophysical Research: Solid Earth, 98(B8), 13997–14013. Portico. https://doi.org/10.1029/93jb01159

10.1029/93JB01159

References

Paton, C., Hellstrom, J., Paul, B., Woodhead, J., & Hergt, J. (2011). Iolite: Freeware for the visualisation and processing of mass spectrometric data. Journal of Analytical Atomic Spectrometry, 26(12), 2508. https://doi.org/10.1039/c1ja10172b

10.1039/c1ja10172b

References

Renne, P. R., Swisher, C. C., Deino, A. L., Karner, D. B., Owens, T. L., & DePaolo, D. J. (1998). Intercalibration of standards, absolute ages and uncertainties in 40Ar/39Ar dating. Chemical Geology, 145(1–2), 117–152. https://doi.org/10.1016/s0009-2541(97)00159-9

10.1016/S0009-2541(97)00159-9

References

Sláma, J., Košler, J., Condon, D. J., Crowley, J. L., Gerdes, A., Hanchar, J. M., Horstwood, M. S. A., Morris, G. A., Nasdala, L., Norberg, N., Schaltegger, U., Schoene, B., Tubrett, M. N., & Whitehouse, M. J. (2008). Plešovice zircon — A new natural reference material for U–Pb and Hf isotopic microanalysis. Chemical Geology, 249(1–2), 1–35. https://doi.org/10.1016/j.chemgeo.2007.11.005

10.1016/j.chemgeo.2007.11.005

References

Söderlund, U., Patchett, P. J., Vervoort, J. D., & Isachsen, C. E. (2004). The 176Lu decay constant determined by Lu–Hf and U–Pb isotope systematics of Precambrian mafic intrusions. Earth and Planetary Science Letters, 219(3–4), 311–324. https://doi.org/10.1016/s0012-821x(04)00012-3

10.1016/S0012-821X(04)00012-3

References

Stacey, J. S., & Kramers, J. D. (1975). Approximation of terrestrial lead isotope evolution by a two-stage model. Earth and Planetary Science Letters, 26(2), 207–221. https://doi.org/10.1016/0012-821x(75)90088-6

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

References

Ulianov, A., Müntener, O., Schaltegger, U., & Bussy, F. (2012). The data treatment dependent variability of U–Pb zircon ages obtained using mono-collector, sector field, laser ablation ICPMS. Journal of Analytical Atomic Spectrometry, 27(4), 663. https://doi.org/10.1039/c2ja10358c

10.1039/C2JA10358C

References

Vermeesch, P. (2018). IsoplotR: A free and open toolbox for geochronology. Geoscience Frontiers, 9(5), 1479–1493. https://doi.org/10.1016/j.gsf.2018.04.001

10.1016/j.gsf.2018.04.001

References

WHITEHOUSE, M. J. (2004). Assigning Dates to Thin Gneissic Veins in High-Grade Metamorphic Terranes: A Cautionary Tale from Akilia, Southwest Greenland. Journal of Petrology, 46(2), 291–318. https://doi.org/10.1093/petrology/egh075

10.1093/petrology/egh075

References

WIEDENBECK, M., ALLÉ, P., CORFU, F., GRIFFIN, W. L., MEIER, M., OBERLI, F., QUADT, A. V., RODDICK, J. C., & SPIEGEL, W. (1995). THREE NATURAL ZIRCON STANDARDS FOR U‐TH‐PB, LU‐HF, TRACE ELEMENT AND REE ANALYSES. Geostandards Newsletter, 19(1), 1–23. Portico. https://doi.org/10.1111/j.1751-908x.1995.tb00147.x

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

References

Woodhead, J. D., & Hergt, J. M. (2005). A Preliminary Appraisal of Seven Natural Zircon Reference Materials for In Situ Hf Isotope Determination. Geostandards and Geoanalytical Research, 29(2), 183–195. Portico. https://doi.org/10.1111/j.1751-908x.2005.tb00891.x

10.1111/j.1751-908X.2005.tb00891.x

References


Contact

UK Polar Data Centre

Natural Environment Research Council;


Citiation

Riley, T. (2022). Geochemical and geochronological data from the LeMay Group, Antarctic Peninsula (Version 1.0) [Data set]. NERC EDS UK Polar Data Centre. https://doi.org/10.5285/C0C56E6D-D13B-4480-BBD3-CD613AB57B33


Collection Period

2021-01-01 - 2022-03-01


Geo location(s)

Alexander Island Antarctica