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Características estratigráficas y morfodinámicas de la franja litoral Caribe colombiana (Sector Barranquilla (Bocas de Ceniza) - Flecha de Galerazamba)

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Author
Molina-M., A.
Molina-M., C.
Giraldo-O., L.
Barrera-O., R.
Date
1999

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Alternative Title
Stratigraphic and morphodinamic characteristics from the colombian Caribbean coastline, (zone between Barranquilla (Bocas de Ceniza) and Galerazamba)
Abstract
The geologic (stratigraphic) and morphodynamic characteristics throughout 76 km of the coastal profile of the Colombian Caribbean, including those between Barranquilla (Bocas de Ceniza) and the spit of Galerazamba are described. The sections of the coast that have been affected by erosive events and those with sedimentary accretion are described. Some of them are associated to both natural and anthropic phenomena. Geologically, the coastal edge is defined by sedimentary rocks, weakly consolidated sediments and inconsolidated sediments, that include ages from the upper Paleocene to the Recent. From the point of view of the evaluation of the coast in terms of stability and instability, the high coasts are classified as: Critic zones (Punta Sabanilla, Castillo and Pradomar), unstable zones (from Punta Castillejo to Punta la Garita) and stable zones (elevated abrasion terraces of Puerto Caimán and Galerazamba). The low coasts were catalogued as highly erosive (beaches associated to the bog of Mallorquín, NE part of the ear of Puerto Colombia, north of Morro Hermoso and in front of the salt mines Galerazamba) and in sedimentary accretion (from the distal part of the ear of Puerto Colombia to the south end of Manzanillo and to the spit of Galerazamba).
Se describen en este trabajo las características geológicas (estratigráficas) y morfodinámicas a lo largo de 76 km del perfil costero del Caribe colombiano, comprendido entre Barranquilla (Bocas de Ceniza) y la Flecha de Galerazamba. Se identifican los tramos del litoral que han sido afectados por eventos erosivos y de acrecimiento sedimentario, algunos de ellos asociados tanto a fenómenos naturales como antrópicos. Geológicamente, el borde costero está definido por rocas sedimentarias y sedimentos débilmente consolidados e inconsolidados, que comprenden edades desde el Paleoceno Superior hasta el Reciente. Desde el punto de vista de la evaluación del litoral en términos de estabilidad e inestabilidad, se clasifican las costas altas como: Zonas críticas (Punta Sabanilla, El Castillo y Pradomar), zonas inestables (desde Punta Castillejo hasta Punta la Garita) y zonas estables (Plataformas de abrasión elevadas de Puerto Caimán y Galerazamba). Las costas bajas se catalogaron como altamente erosivas (playas asociadas a la Ciénaga de Mallorquín, parte noreste de la Espiga de Puerto Colombia, norte de la Punta Morro Hermoso y frente a Salinas de Galerazamba) y en acrecimiento sedimentario (tramo comprendido desde la parte distal de la Espiga de Puerto Colombia hasta el sur de Punta Manzanillo, además de la Flecha de Galerazamba).
Journal
Boletín de Investigaciones Marinas y Costeras
Volume
28
Page Range
pp.61-94
Resource/Dataset Location
http://www.invemar.org.co/siad/descarga.jsp?type=documento&id=740
URI
http://hdl.handle.net/1834/3433
Collections
3. Boletín de Investigaciones Marinas y Costeras

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