Economic and Environmental Geology

Fig. 5.

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Fig. 5. REE-bearing mineral occurrence of terrigenous coal deposits. (A) Goyazite and kaolinite are filling fusuinite of coal, (B) Enlarged image of rectangular part of A, (C)-(E) Detrital Boehmite grains with goyazite and kaolinite, (F) detrital particles of boehmite. Detrital occurrence of Al-rich minerals is common in terrigenous coal deposits (Figure replicated with permission from Elsevier and Rightslink. Dai et al., 2012).
Econ. Environ. Geol. 2022;55:241-59 https://doi.org/10.9719/EEG.2022.55.3.241
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