Carbonatite and alkaline intrusion-related rare earth element deposits--A deposit model
Describes where and how mineral deposits of this type are found, including chemical and mineralogical characteristics, as well as unsolved scientific questions surrounding their origin.
U.S. Geological Survey Open-File Report 2011-1256
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, Economic geology
, Metallic mineral resources
, Natural resource exploration
, Rare earth elements
, Mineral deposit areas
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