Economic and Environmental Geology

Table. 4.

Table. 4.

Summary of mineralogical differences by genetic types of REE-bearing coal deposits

Type Terrigenous Tuffaceous Hydrothermal Infiltrational
REE input stage Syngenetic Syngenetic Oiagenetic-Epigenetic Epigenetic
Source Bauxite Tuff Hydrothermal fluid Groundwater
REE pattern L-type Flat type H-type (M-type)
REE bearing Mineral occurrence Goyazite, Boehmite, Monazaite, Xenotime, Zircon (detrital) Monazite, Apatite, Crandallite, Fergusonite, Pyrochlire, Titanite, Zircon (detrital/authigenic), Clay minerals (authigenic) Rhabdophane, Goyazite, Gorceixite, Kinmrai1e, Lantbanite, Clay minerals(authigenic)
Econ. Environ. Geol. 2022;55:241-59 https://doi.org/10.9719/EEG.2022.55.3.241
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