Abstract:De tiempo atrás se conoce que los fosfatos económicamente explotables en Colombia se encuentran en sucesiones sedimentarias marinas del Cretácico Superior (Cathcart y Zambrano, 1967; Mojica, 1987; Zambrano y Mojica, 1990). En el occidente de la subcuenca de Neiva del Valle Superior del Magdalena (VSM), estos niveles están restringidos al intervalo Santoniano-Maastrichtiano, representado en las formaciones Lidita Inferior, Lidita Superior y Yaguará. Los fosfatos son lateralmente discontinuos y presentan variaci… Show more
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