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Geochemical and mineralogical characteristics of REE in granite-derived regolith: a model for the Southeast United States

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Nora K. Foley, Carleton R. Bern, Robert A. Ayuso, Bernard E. Hubbard, and Anjana K. Shah, 2015, Geochemical and mineralogical characteristics of REE in granite-derived regolith: a model for the Southeast United States: .

Summary

Rare earth element (REE) ion-adsorption clay deposits are of global economic importance because they currently supply a significant portion of the world’s annual production of both light (LREE) and heavy REE (HREE). There is considerable ambiguity regarding the origin of this deposit type: The main criteria include the presence of large, generally granitic, igneous suites; long periods of intense weathering with little subsequent erosion; and evidence for mobility of REE within the regolith. Granitic rocks of the southeastern United States have been subjected to a long history of chemical weathering, comparable to that of South China, an area which contains many REE clay deposits. Detailed comparisons of weathered bedrock-soil profiles [...]

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Harvested on Sat Oct 31 04:18:05 MDT 2015 from MODS XML Service

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Type Scheme Key
local-index unknown 70141188
local-pk unknown 70141188

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citationTypeConference Paper
conference13th Biennial Society for Geology Applied to Ore Deposits
languageEnglish

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