Compositions of chromite, associated minerals, and parental magmas of podiform chromite deposits: The role of slab contamination of asthenospheric melts in …

MF Zhou, PT Robinson, BX Su, JF Gao, JW Li… - Gondwana …, 2014 - Elsevier
Podiform chromitites in the mantle sections of ophiolites belong to either high-Cr
(metallurgical) or high-Al (refractory) varieties. Their highly variable compositions are …

Petrogenesis of the platinum-group minerals

B O'Driscoll… - Reviews in Mineralogy …, 2016 - pubs.geoscienceworld.org
The platinum-group minerals (PGM) are a diverse group of minerals that concentrate the
platinum-group elements (PGE; Os, Ir, Ru, Rh, Pt, and Pd). At the time of writing, the …

High-Cr and high-Al chromitites from the Sagua de Tánamo district, Mayarí-Cristal ophiolitic massif (eastern Cuba): Constraints on their origin from mineralogy and …

JM González-Jiménez, JA Proenza, F Gervilla… - Lithos, 2011 - Elsevier
Several chromitite bodies of variable sizes are hosted in dunite-harzburgite of the small (<
3km) mining district of Sagua de Tánamo, in the Mayarí-Cristal ophiolitic massif, eastern of …

Chromitites in ophiolites: How, where, when, why? Part I. A review and new ideas on the origin and significance of platinum-group minerals

JM González-Jiménez, WL Griffin, F Gervilla… - Lithos, 2014 - Elsevier
Platinum-group minerals are the dominant control on the budget of platinum-group elements
in ophiolitic chromitites. They vary widely in distribution, morphology, chemistry and Os …

In situ determination of Os, Ir, and Ru in chromites formed from komatiite, tholeiite and boninite magmas: implications for chromite control of Os, Ir and Ru during partial …

P Pagé, SJ Barnes, JH Bédard, ML Zientek - Chemical Geology, 2012 - Elsevier
Osmium, Ir and Ru behave as compatible elements during partial melting and crystal
fractionation, whilst Pt, Pd and Rh behave as incompatible elements. This produces a …

Ruthenium in komatiitic chromite

M Locmelis, NJ Pearson, SJ Barnes… - … et Cosmochimica Acta, 2011 - Elsevier
The distinction between Ru in solid solution and Ru-bearing inclusions is essential for the
predictive modeling of platinum-group element (PGE) geochemistry in applications such as …

Hydrothermal origin of platinum-group minerals during serpentinization of the podiform chromitites from the Kızıldağ Ophiolite in Southern Türkiye

C Chen, CY Wang, S Yang, İ Uysal - Chemical Geology, 2025 - Elsevier
Platinum-group minerals (PGMs) in podiform chromitites usually occur in the interior and/or
edge of chromite. However, the origin of PGMs in podiform chromitites has long been a …

Distribution of platinum-group elements in pristine and near-surface oxidized Platreef ore and the variation along strike, northern Bushveld Complex, South Africa

M Junge, T Oberthür, D Kraemer, F Melcher, R Piña… - Mineralium …, 2019 - Springer
Abstract The Platreef of the Bushveld Complex is currently the largest PGE open pit deposit.
In order to investigate the behavior of PGE during weathering, three boreholes covering a …

Platinum-group element geochemistry used to determine Cu and Au fertility in the Northparkes igneous suites, New South Wales, Australia

H Hao, IH Campbell, JW Park, DR Cooke - Geochimica et Cosmochimica …, 2017 - Elsevier
Recent studies have shown that platinum-group elements (PGE) can be used to constrain
the timing of sulfide saturation in evolving felsic systems. In this study, we report trace …

The effect of chromite crystallization on the distribution of osmium, iridium, ruthenium and rhodium in picritic magmas: an example from the Emeishan Large Igneous …

JP Arguin, P Pagé, SJ Barnes, SY Yu… - Journal of …, 2016 - academic.oup.com
The positive correlations between whole-rock concentrations of Cr and Os, Ir and Ru
(referred to collectively as iridium-like platinum-group elements, IPGE) in both sulphide-poor …