Atom probe tomography

B Gault, A Chiaramonti, O Cojocaru-Mirédin… - Nature Reviews …, 2021 - nature.com
Atom probe tomography (APT) provides three-dimensional compositional mapping with sub-
nanometre resolution. The sensitivity of APT is in the range of parts per million for all …

Atom probe tomography: Development and application to the geosciences

SM Reddy, DW Saxey, WDA Rickard… - Geostandards and …, 2020 - Wiley Online Library
Atom probe tomography (APT) is an analytical technique that provides quantitative three‐
dimensional elemental and isotopic analyses at sub‐nanometre resolution across the whole …

A nanoscale investigation of Carlin-type gold deposits: An atom-scale elemental and isotopic perspective

P Gopon, JO Douglas, MA Auger… - Economic …, 2019 - pubs.geoscienceworld.org
Carlin-type gold deposits are one of the most important gold mineralization styles in the
world. Despite their economic importance and the large volume of work that has been …

Two discrete gold mineralization events recorded by hydrothermal xenotime and monazite, Xiaoqinling gold district, central China

W Jian, J Mao, B Lehmann, S Wu, L Chen… - American …, 2024 - degruyter.com
We present in situ LA-ICP-MS U-Pb dating of xenotime and monazite in assemblages with
native gold and Au (Ag) tellurides from the Xiaoqinling lode gold district in central China …

[HTML][HTML] Time-resolved, defect-hosted, trace element mobility in deformed Witwatersrand pyrite

D Fougerouse, SM Reddy, CL Kirkland, DW Saxey… - Geoscience …, 2019 - Elsevier
The Pb isotopic composition of rocks is widely used to constrain the sources and mobility of
melts and hydrothermal fluids in the Earth's crust. In many cases, the Pb isotopic …

[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 …

Why natural monazite never becomes amorphous: Experimental evidence for alpha self-healing

AM Seydoux-Guillaume, X Deschanels… - American …, 2018 - degruyter.com
Monazite, a common accessory rare-earth orthophosphate mineral in the continental crust
widely used in U-Pb geochronology, holds promise for (U-Th)/He thermochronology and for …

Petrochronology and hygrochronology of tectono-metamorphic events

V Bosse, IM Villa - Gondwana Research, 2019 - Elsevier
U-Th-Pb petrochronology is based on the incontrovertible fact that the diffusion of radiogenic
Pb is negligibly small relative to retrograde reaction rates. Multi-element maps demonstrate …

[HTML][HTML] Nanoscale resetting of the Th/Pb system in an isotopically-closed monazite grain: A combined atom probe and transmission electron microscopy study

AM Seydoux-Guillaume, D Fougerouse, AT Laurent… - Geoscience …, 2019 - Elsevier
Understanding the mechanisms of parent-daughter isotopic mobility at the nanoscale is key
to rigorous interpretation of U–Th–Pb data and associated dating. Until now, all nanoscale …

Dislocations in minerals: Fast-diffusion pathways or trace-element traps?

R Verberne, SM Reddy, DW Saxey… - Earth and Planetary …, 2022 - Elsevier
Element mobility is a critical component in all geological processes and understanding the
mechanisms responsible for element mobility in minerals is a fundamental requirement for …