Rare-earth elements (REE) are viewed as' critical metals' due to a complex array of
production and political issues, most notably a near monopoly in supply from China. Red …

Permian lithium-rich karstic bauxites are newly discovered in central Yunnan province,
western margin of the South China Block, with a reserve of 16 million tonnes, which has a …

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 …

The sources of karstic bauxite are complex and have not been so far addressed by multi-
proxy provenance studies that interrogate bauxite sources. The Carboniferous bauxite in the …

The present study focuses on the Late Cretaceous Bidgol bauxite deposit in the Zagros
Simply Fold Belt, SW Iran. The orebody is located in the eroded major NW–SE trending Koh …

Mediterranean-type bauxite deposits in Sardinia formed during the Upper Cretaceous
(Cenomanian–Turonian) due to the emergence of the south European margin of the Alpine …

Research for critical raw materials is of special interest, due to their increasing demand,
opulence of applications and shortage of supply. Bauxites, or bauxite residue after alumina …

Bauxite is a residual rock, consisting mainly of a mixture of aluminium hydroxides, whose
industrial significance is primarily due to its profitably exploitable alumina contents. In the …

The Abruzzi bauxite district includes the deposits located on the Campo Felice plateau and
those of the Monti d'Ocre, which had been mined in the first part of the 20th century. Bauxite …

This study focuses on the middle–late Permian bauxite deposits found within karstic
depressions and sinkholes of carbonates of the Ruteh and Nessen Formations …