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 …

The nature and partitioning of invisible gold in the pyrite-fluid system

GS Pokrovski, MA Kokh, O Proux, JL Hazemann… - Ore Geology …, 2019 - Elsevier
The most characteristic feature of hydrothermal deposits of gold is its intimate association
with pyrite. Microscopically visible gold occurs in pyrite ore as metal particles of> 0.1 µm in …

[HTML][HTML] Nanoscale distribution of Ge in Cu-rich sphalerite

D Fougerouse, A Cugerone, SM Reddy, K Luo… - … et Cosmochimica Acta, 2023 - Elsevier
A large proportion of the critical elements resources Ge, Ga, and In are associated with
sphalerite in Pb-Zn ore deposits. Germanium in sphalerite has been proposed to be …

Gold remobilization: Insights from gold deposits in the Archean Swayze greenstone belt, Abitibi subprovince, Canada

ECG Hastie, DJ Kontak, B Lafrance - Economic Geology, 2020 - pubs.geoscienceworld.org
Recognizing if and how Au is remobilized, in solid, melt, or fluid state, is critical for
understanding the origin of high-grade ore zones in Au deposits. When evidence for Au …

Gold, arsenic, and copper zoning in pyrite: A record of fluid chemistry and growth kinetics

YF Wu, D Fougerouse, K Evans, SM Reddy… - …, 2019 - pubs.geoscienceworld.org
Chemical zoning in minerals records fluid-rock interaction and crystal growth kinetics via
texturally complex features, the genesis of which remains a subject of debate. Here, we …

Coupled partitioning of Au and As into pyrite controls formation of giant Au deposits

C Kusebauch, SA Gleeson, M Oelze - Science Advances, 2019 - science.org
The giant Carlin-type Au deposits (Nevada, USA) contain gold hosted in arsenic-rich iron
sulfide (pyrite), but the processes controlling the sequestration of Au in these hydrothermal …

A new kind of invisible gold in pyrite hosted in deformation-related dislocations

D Fougerouse, SM Reddy, M Aylmore, L Yang… - …, 2021 - pubs.geoscienceworld.org
Mining of “invisible gold” associated with sulfides in gold ores represents a significant
proportion of gold production worldwide. Gold hosted in sulfide minerals has been proposed …

Complementary textural, trace element, and isotopic analyses of sulfides constrain ore-forming processes for the slate-hosted Yuhengtang Au deposit, South China

W Li, NJ Cook, GQ **e, JW Mao… - Economic …, 2021 - pubs.geoscienceworld.org
Yuhengtang is a representative slate-hosted Au deposit in the Jiangnan orogenic belt, South
China, with a reserve of~ 55 t Au and an average grade of~ 3.9 g/t. Gold mineralization is …

Decoupling of Au and As during rapid pyrite crystallization

YF Wu, K Evans, SY Hu, D Fougerouse… - …, 2021 - pubs.geoscienceworld.org
Gold (Au) is largely hosted by pyrite in a variety of hydrothermal systems, but the
incorporation of Au into pyrite under disequilibrium conditions remains poorly understood …

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 …