Caracterización geoquímica y petrografía de los cuerpos intrusivos básicos, aflorantes en la región de cáceres y puerto romero, departamentos de cundinamarca y boyacá, colombia

In the Caceres-Puerto Romero area, crop out some basic intrusive bodies shaped like sills and dikes, which are intruding the cretaceous sedimentary rocks of La Paja and Simití formations. In a broad outline, they show "pseudostratification" and a regional trench of N 10-20oE, as remarkable...