Rare earth elements cluster near alkaline magmatism due to fractional crystallization and volatile enrichment
the verdict
SUPPORTED
the evidence backs this
confidence 90/100
Multiple geological and geochemical studies confirm that rare earth element deposits are closely associated with alkaline magmatism due to processes involving fractional crystallization and volatile or alkali enrichment.
Evidence for · 8
Rare Earth Element Deposits of Alkaline Igneous Rocks
2017 · cited by 205
Protracted fractional crystallization of alkaline magmas leads to REE enrichment in late stages.
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More for · 7
Carbonatitic magma fractionation and contamination generate rare earth element enrichment and mineralization in the Maoniuping giant REE deposit, SW China
2023 · cited by 30
Carbonatitic magma fractional crystallization significantly concentrates REE contents.
Rare Metal Deposits Associated with Alkaline/Peralkaline Igneous Rocks
2016 · cited by 28
Peralkaline magmas undergo extensive fractional crystallization, concentrating rare earth elements into late-stage mineralization.
Rare earth element mobility in and around carbonatites controlled by sodium, potassium, and silica.
2020 · cited by 16
Alkali complexing is required for substantial REE transport and mineralization in and around alkaline carbonatites.
Remote sensing and geochemistry of A-type granites, North Arabian-Nubian shield: Insights into the origin and evolution of the granitic suites and processes responsible for rare metals enrichment
2024 · cited by 14
A-type alkaline magmas enrich rare metals and rare earth elements via fractional crystallization in the crust.
Roles and perspectives of A- and I-type magmas in rare earth element and gold mineralization
2023 · cited by 14
Alkaline magmas generated by lithospheric mantle interactions yield high concentrations of REEs.
Mafic Alkaline Magmatism and Rare Earth Element Mineralization in the Mojave Desert, California: The Bobcat Hills Connection to Mountain Pass
2024 · cited by 8
Mafic alkaline magmatism in the Mojave Desert shows high REE concentrations linked to intrusive alkaline systems.
Rare Earth Element-Mineralized Carbonatite in the Bear Lodge Alkaline Complex, USA—Ore Genesis Implications From Fluid Inclusion Characterization
2025 · cited by 3
Alkali bicarbonate-sulfate brines and alkaline fluid evolution drive REE enrichment in the Bear Lodge Alkaline Complex.