The massive Cordillera Oriental, separating the Magdalena valley within the Llanos, is composed mainly of folded and faulted maritime sediments and older schists and gneisses. Slender to the south, it broadens out from the superior, unsettled massif of Sumapaz, with elevations up to 13,000 toes (four,000 metres). Significant plateaus were http://anthonyo382pbl9.bloggerswise.com/profile