Nano-mineralogy and-geochemistry of high-grade diasporic karst-type bauxite from Parnassos-Ghiona mines, Greece

PN Gamaletsos, A Godelitsas, T Kasama… - Ore Geology …, 2017 - Elsevier
In the present work, a combination of various techniques is utilized for the study of nano-
mineralogy and-geochemistry of high-grade karst-type bauxite (Al-rich and Fe-depleted …

Abundance and genetic significance of lithium in karst-type bauxite deposits: a comparative review

M Economou-Eliopoulos, C Kanellopoulos - Minerals, 2023 - mdpi.com
Palaeo weathering during the Cretaceous–Eocene interval is most favorable for
bauxitization, ie, transport and deposition in traps on the karstified surfaces of the …

Rare earth element phases in bauxite residue

J Vind, A Malfliet, B Blanpain, PE Tsakiridis… - Minerals, 2018 - mdpi.com
The purpose of present work was to provide mineralogical insight into the rare earth element
(REE) phases in bauxite residue to improve REE recovering technologies. Experimental …

The rare earth elements potential of Greek bauxite active mines in the light of a sustainable REE demand

PN Gamaletsos, A Godelitsas, A Filippidis… - Journal of Sustainable …, 2019 - Springer
More recent data of Greek bauxites from the Parnassos-Ghiona active mines prove that rare
earth elements (REEs) occur mainly in the form of authigenic/diagenetic LREE 3+ carbonate …

Potential leaching of Cr (VI) from laterite mines and residues of metallurgical products (red mud and slag): An integrated approach

M Economou-Eliopoulos, R Frei, I Megremi - Journal of Geochemical …, 2016 - Elsevier
We here report the chemical composition of (a) Fe–Ni laterite ores from central and northern
Greece and bauxite ores from Parnassos-Ghiona deposit,(b) the corresponding high volume …

Provenance and tectonic evolution of bauxite deposits in the Tethys: Perspective from random forest and logistic regression analyses

J Zhou, W Yu, W Wei, M Yang… - Geochemistry, Geophysics …, 2023 - Wiley Online Library
Developments in Earth system research have led to widespread interest in multi‐sphere
interactions that may have controlled bauxite formation. Although karst bauxite ores are …

Contamination of the soil–groundwater–crop system: Environmental risk and opportunities

M Economou-Eliopoulos, I Megremi - Minerals, 2021 - mdpi.com
The increasing development of industries, resulting in a large volume of mining, smelting,
and combustion wastes, and intense agricultural activities, due to demand for food and …

Distribution of selected trace elements in the Bayer process

J Vind, A Alexandri, V Vassiliadou, D Panias - Metals, 2018 - mdpi.com
The aim of this work was to achieve an understanding of the distribution of selected bauxite
trace elements (gallium (Ga), vanadium (V), arsenic (As), chromium (Cr), rare earth elements …

Biogeochemical redox processes controlling the element cycling: Insights from karst-type bauxite, Greece

M Economou-Eliopoulos, M Kontou, I Megremi - Minerals, 2022 - mdpi.com
The occurrence of very-high-grade bauxite ores of karst-type deposits resulting from Fe-
leaching is of particular importance, because they are widespread in the Mediterranean …

The role of nano-perovskite in the negligible thorium release in seawater from Greek bauxite residue (red mud)

PN Gamaletsos, A Godelitsas, T Kasama, A Kuzmin… - Scientific reports, 2016 - nature.com
We present new data about the chemical and structural characteristics of bauxite residue
(BR) from Greek Al industry, using a combination of microscopic, analytical, and …