Acknowledgments
The author thanks James Renner (Southern Ionics Minerals, LLC) for some interesting discussions regarding the occurrences of the rare earth elements in alluvial and beach sands in southern Georgia.
References cited
Bern, C., Shah, A.K., Benzel, W.M., and Lowers, H.A. (2016) The distribution and composition of REE-bearing minerals in placers of the Atlantic and Gulf Coast Coastal Plains. Journal of Geochemical Exploration, 162, 50–61.10.1016/j.gexplo.2015.12.011Search in Google Scholar
Bern, C.R., Yesavage, T., and Foley, N.K. (2017) Ion-adsorption REEs in regolith of the Liberty Hill pluton, South Carolina. USA: An effect of hydrothermal alteration. Journal of Geochemical Exploration, 172, 29–40. doi:10.1016/j.gexplo.2016.1009.1009.10.1016/j.gexplo.2016.1009.1009Search in Google Scholar
Burkov, V.V., and Podporina, Ye.K. (1967) Rare-earths in granitoid residuum. Doklady Academy of Sciences. U.S.S.R., Earth Science Section, 177, 214–216.Search in Google Scholar
Cheshire, M.C., Bish, D., Cahill, J.F., Kertez, V., and Stack, A.G. (2018) Geochemical evidence for the rare-earth element mobilization during kaolin diagenesis. ACS Earth and Space, 3, 506–520.10.1021/acsearthspacechem.7b00124Search in Google Scholar
Elliott, W.C. Gardner, D.J., Malla, P., and Riley, E. (2018) A new look at the occurrences of the rare-earth elements in the Georgia Kaolins. Clays and Clay Minerals, 66, 245–260.10.1346/CCMN.2018.064096Search in Google Scholar
Fan, H-R., Yang, K-F., Hu, F-F., Liu, S., and Wang, K-Y. (2016) The giant Bayan Obo Nb0Fe deposit, China: Controversies and ore genesis. Geoscience Frontiers, 7, 335–344.10.1016/j.gsf.2015.11.005Search in Google Scholar
Hower, J.C., Qian, D., Briot, N.J., Henke, K.R., Hood, M.M., Taggard, R.K., and Hsu-Kim, H. (2016) Rare earth element associations in the Kentucky State stoker ash. International Journal of Coal Geology, 189, 75–82.10.1016/j.coal.2018.02.022Search in Google Scholar
Li, M.Y.H., and Zhou, M-F. (2020) The role of clay minerals in formation of the regolith-hosted heavy rare earth element deposits. American Mineralogist, 105, 92–108.10.2138/am-2020-7061Search in Google Scholar
Liu, P., Huang, R.X., and Tang Y.Z. (2019) Comprehensive understanding of rare earth elements (REE) occurrence in coal fly ashes and implications for REE extractability. Environmental Science & Technology, 53, 9, 5369–5377.10.1021/acs.est.9b00005Search in Google Scholar PubMed
Lucas, J., Lucas, P., LeMercier, T., Rollat, A., and Davenport, W. (2015) Rare Earths—Science, Technology and Use. Elsevier, 370 p.Search in Google Scholar
McLennan, S.M., and Taylor, S.R. (2012) Geology, geochemistry and natural abundances of the rare-earth elements. In D.A. Atwood, Ed., The Rare Earth Elements Wiley.Search in Google Scholar
Seredin, V.V., and Dai, S. (2012) Coal deposits as potential alternative sources of lanthanides and yttrium. International Journal of Coal Geology, 94, 67–93.10.1016/j.coal.2011.11.001Search in Google Scholar
Shah, A.K., Bern, C.R., VanGosen, B.S., Daniels, D.L., Benzel, W.M., Budahn, J.R., Ellefsen, J.J., Karst, A., and Davis, R. (2018) Rare earth mineral potential in the southeastern US Coastal Plain, from integrated geophysical, geochemical and geologic approaches. Geological Society of America Bulletin, 129, 1140–1157.Search in Google Scholar
Takaya, Y., Yasukawa, K., Kawasaki, T., Fujinga, K., Ohta, J., Usui, Y., Nakamura, K., Kimura, J-I., Chang, Q., Hamada, M., and others. (2018) The tremendous potential of deep-sea mud as a source of rare-earth elements. Scientific Reports, 8, 5763.10.1038/s41598-018-23948-5Search in Google Scholar PubMed PubMed Central
Van Gosen, B.S., and Ellefsen, K.J. (2018) Titanium mineral resources in the heavy-mineral sands in the Atlantic Coastal Plain of the Southeastern United States. Scientific Investigations Report 2018-5045. U.S. Department of the Interior, 32 pp.10.3133/sir20185045Search in Google Scholar
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