What is the economic limit of REEs in bauxite resources?

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Chuck A Arize

https://www.sciencedirect.com/science/article/abs/pii/S0921344921002548

Mahsa Tashakor

Thank you very much for the link. But this is the recovery of REE from bauxite residue. :)

Athanasios Godelitsas

please see e.g. Article The Rare Earth Elements Potential of Greek Bauxite Active Mi...

also consider the radioactivity issue: https://www.nature.com/articles/srep21737

Konstantina Pyrgaki

Article Geochemical Occurrence of Rare Earth Elements in Mining Wast...

Thank you very much for your response.