Carbonatite-related REE deposits supply the majority of light rare earth metals and niobium resources in the world. I had the great opportunity to collaborate with Prof. Hongrui Fan and his research group, writing this review paper about carbonatite-related REE resources.
This review paper is included in our Special Issue “Critical Metals in Hydrothermal Ores: Resources, Recovery, and Challenges”, and can be viewed here or from this link: https://www.mdpi.com/2075-163X/10/11/965