Hadaean to Palaeoarchaean stagnant-lid tectonics revealed by zircon magnetism

JA Tarduno, RD Cottrell, RK Bono, N Rayner, WJ Davis… - Nature, 2023 - nature.com
Plate tectonics is a fundamental factor in the sustained habitability of Earth, but its time of
onset is unknown, with ages ranging from the Hadaean to Proterozoic eons,–. Plate motion …

[HTML][HTML] Radiogenic Pb in xenotime trapped in nanoscale inclusions of apatite during fluid alteration

C Joseph, D Fougerouse, SM Reddy, HKH Olierook… - Chemical …, 2023 - Elsevier
This study focuses on the low-temperature mineralogical response of xenotime, a phosphate
mineral routinely used as a geochronometer, to fluid-assisted alteration. The studied …

[HTML][HTML] Implications of high-grade metamorphism on detrital zircon data sets: A case study from the Fraser Zone, Western Australia

KM Kuper, R Armstrong, CL Kirkland, HKH Olierook… - Chemical …, 2024 - Elsevier
Detrital zircon grains provide a useful tool to determine the maximum age of sedimentary
strata and can elucidate tectonic setting and basin evolution. However, high-grade …

Closing the “North American Magmatic” Gap: Crustal evolution of the Clearwater Block from multi-isotope and trace element zircon data

DT Brennan, PK Link, ZX Li, L Martin, T Johnson… - Precambrian …, 2022 - Elsevier
Along the west-central margin of Laurentia, within the Priest River and Clearwater
complexes, rare exposures of crystalline basement rocks of the Clearwater Block include …

AusGeochem: an open platform for geochemical data preservation, dissemination and synthesis

SC Boone, H Dalton, A Prent… - Geostandards and …, 2022 - Wiley Online Library
To promote a more efficient and transparent geochemistry data ecosystem, a consortium of
Australian university research laboratories called the AuScope Geochemistry Network …

The provenance and tectonic history of Dashwoods and the associated Baie Verte Margin during the Ordovician to Silurian

A Zagorevski, CR van Staal… - Geological Society, London …, 2024 - lyellcollection.org
Dashwoods is a composite peri-Laurentian terrane in Newfoundland and forms the
basement to the Early Ordovician to Silurian Notre Dame arc. The southern part of …

Apatite reference materials for SIMS microanalysis of isotopes and trace elements

AK Kennedy, JF Wotzlaw, JL Crowley… - Geostandards and …, 2023 - Wiley Online Library
Twelve apatite samples have been tested as secondary ion mass spectrometry (SIMS)
reference materials. Laser ablation‐inductively coupled plasma‐mass spectrometry (LA‐ICP …

Xenotime reveals Caledonian hydrothermal overprint on Neoproterozoic Cu mineralization, East Greenland

HKH Olierook, K Crook, P Sinclair… - Journal of the …, 2023 - lyellcollection.org
Constraining the age of many types of ore deposits remains challenging because of the lack
of radiogenic isotopes incorporated into common ore-forming minerals. The timing of pre …

[HTML][HTML] Towards a new impact geochronometer: Deformation microstructures and U-Pb systematics of shocked xenotime

C Joseph, D Fougerouse, AJ Cavosie… - … et Cosmochimica Acta, 2024 - Elsevier
Shock-deformation microstructures in xenotime have been proposed to record diagnostic
evidence for meteorite impacts. Evaluating the potential for impact-induced U-Pb age …

[HTML][HTML] An algorithm for U–Pb geochronology by secondary ion mass spectrometry

P Vermeesch - Geochronology, 2022 - gchron.copernicus.org
Secondary ion mass spectrometry (SIMS) is a widely used technique for in situ U–Pb
geochronology of accessory minerals. Existing algorithms for SIMS data reduction and error …