Critical minerals in Colombia: characteristics and U-Pb ages of Ti-Nb-Ta, REE and U-Th mineralization in the Espina Hills, NW Amazonian Craton

At east of Colombia outcropping Proterozoic rocks of the Amazonian Craton as The Espina Hills inselberg, located ~10 km to the east of the Chorro Bocón indigenous community closely to the Inírida river in the Colombian Guainía...

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