HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS

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HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS ( handbook-onphysics-and-chemistry-rare-earths )

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TABLE 13 Characteristics of Typical Ion-Adsorption Type REE Deposits in Southern China Province or Region Deposits (County/City) Elevation REE Grade Recovery of Ion-Exchangeable REEs Thickness of Weathered Crusts Parent Rocks Accessory Minerals of Parent Rocks References Jiangxi Province Longnan (Longnan County) 300–400 m 143–1228 ppm in Zudong 47–$100% $10 m (Max 30 m) Zudong Ms granite and Bt granite, and Guanxi Bt granite Fl, RFC, Zrn, Xen, Mnz, Gdn, Aec, Pcr, Frg, Grt, Apt, Ilm, and Mag Yang et al. (1981), Huang et al. (1989), Zhang (1990), Wu et al. (1990a, 1993b), and Bao and Zhao (2008) Heling (Xunwu County) 250–300 m 1020–1530 ppm (Ave 1350 ppm; Max 6460 ppm) in porphyry >60% 6–9 m (Max 28 m) Bt granite porphyry, and rhyolitic lava and tuff Apt, RFC, Zrn, Mnz, Frg, Tur, and Fl in granite porphyry Yang et al. (1981), Song and Shen (1982), Zhang (1990), Yu et al. (2004), and Bao and Zhao (2008) Dingnan (Dingnan County) 300–800 m in rhyolite 287–651 ppm >42% $10 m (Ms-bearing) Bt granite Apt, RFC, Mnz, Xen, Thr, and Fl Zhang (1990), Ishihara et al. (2008), Murakami and Ishihara (2008), and Wang et al. (2013a) Dajishan (Quannan County) 350–400 m 311–990 ppm Unknown Max 30 m Wuliting Bt granodiorite Mag, Ttn, Apt, Py, Zrn, Aln, and Chl Yang et al. (1999), Qiu et al. (2004), Hua et al. (2007), and Ishihara et al. (2008) 336–886 ppm in Guanxi 510–1530 ppm (Ave 910 ppm; Max 4900 ppm) Continued

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