[HTML][HTML] Trace element geochemistry of iron-(oxy)-hydroxides in Ni (Co)-laterites: Review, new data and implications for ore forming processes

L Santoro, F Putzolu, N Mondillo, M Boni… - Ore Geology …, 2022 - Elsevier
Abstract Iron-(oxy)-hydroxide (FeO/OH) phases are abundant in all supergene ore deposits.
The most common FeO/OH phase in supergene environments is goethite, although …

Parent rock and climatic evolution control on the genesis of Ni-bearing clays in Ni-Co laterites: New inferences from the Wingellina deposit (Western Australia)

F Putzolu, I Abad, G Balassone, M Boni… - Ore Geology …, 2020 - Elsevier
Oxide-type Ni-laterites seldom contain significant Ni-phyllosilicates reserves. This study is
focused on the mineralogy of Ni-clays mainly occurring in the saprolite zone of the …

The relative distribution of critical (Sc, REE) and transition metals (Ni, Co, Cr, Mn, V) in some Ni-laterite deposits of New Caledonia

M Ulrich, M Cathelineau, M Muñoz, MC Boiron… - Journal of Geochemical …, 2019 - Elsevier
Abstract The European Union recently updated the list of raw materials considered as critical
for its industry on the basis of their high economic importance and their relative supply risk …

Petrology and geochemistry of scandium in New Caledonian Ni-Co laterites

Y Teitler, M Cathelineau, M Ulrich, JP Ambrosi… - Journal of Geochemical …, 2019 - Elsevier
The growing demand for scandium (Sc), essential for several modern industrial applications,
drives the mining industry to develop alternative Sc sources. In such context, significant Sc …

Serpentinization of New Caledonia peridotites: from depth to (sub-) surface

M Ulrich, M Muñoz, P Boulvais, M Cathelineau… - … to Mineralogy and …, 2020 - Springer
Serpentinization processes occur at geological settings notably during oceanic subduction
and obduction, where mantle rocks interact with water. Different types of serpentine minerals …

[HTML][HTML] Migration of dissolution front in a fracture network− Implications for weathering of fractured bedrock systems and boulder formation

S Favier, Y Teitler, F Golfier, M Cathelineau - Journal of Hydrology, 2024 - Elsevier
Fracture networks contribute to the differential weathering of fractured bedrock at multiple
scales. The influence of competing fracture networks is discussed in light of …

Ni-bearing smectites in the Wingellina laterite deposit (Western Australia) at nanoscale: TEM-HRTEM evidences of the formation mechanisms

F Putzolu, I Abad, G Balassone, M Boni, N Mondillo - Applied Clay Science, 2020 - Elsevier
Ni-bearing clays represent the main ore minerals in many laterite districts. Although the
world-class Wingellina deposit (Western Australia) is an oxide-dominated ore, about 30% of …

Impact of heterogeneities and surface roughness on pXRF, pIR, XRD and Raman analyses: Challenges for on-line, real-time combined mineralogical and chemical …

C Duée, B Orberger, N Maubec, V Laperche… - Journal of Geochemical …, 2019 - Elsevier
On-line, real-time chemical and mineralogical analyses on drill cores are highly demanded
by mining companies. However, they are a challenge because of drill core surface state and …

Structural, textural, and chemical controls on the OH stretching vibrations in serpentine-group minerals

E Fritsch, E Balan, S Petit, F Juillot - European Journal of …, 2021 - ejm.copernicus.org
The OH stretching vibrational properties of eight serpentine samples from veins of the New
Caledonian ophiolite have been investigated by Fourier-transform infrared spectroscopy …

Scheelite composition fingerprints pulsed flow of magmatic fluid in the Fujiashan W skarn deposit, eastern China

YH Ji, GQ Xie, RL Romer, W Li, QQ Zhu… - American Mineralogist, 2024 - degruyter.com
Scheelite (CaWO4) is an economically important W mineral in skarns that form when
magmatic fluids exsolved from a granitic intrusion react with carbonate wall rocks. In the …