Tectonostratigraphy of the Cenozoic Tumaco forearc basin (Colombian Pacific) and its relationship with the northern Andes orogenic build up

Borrero, Carlos; Pardo, Alejandro; Jaramillo, Carlos; Osorio, Julialba Ángel; Cardona, A.; Flores, Abel; Echeverri, Sebastián; Rosero, Sebastián; García, Jenny; Castillo, H.

doi:10.1016/j.jsames.2012.04.004

Cited by 31 publications

(43 citation statements)

References 58 publications

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“…This period of magmatism is thought to be related to oblique and shallow subduction of the edge of the CLIP, following arc-continent collision Bayona et al, 2012). The westernmost belt of the Northern Andes contains Santonian-Campanian boninites, tholeiites and calc-alkaline basalts of an intra-oceanic island arc origin, underlain by oceanic plateau basalts, and covered by Paleogene and younger forearc basin sediments Borrero et al, 2012). Kennan and Pindell (2009) propose that these rocks were formed above a northeast dipping subduction zone at the trailing edge of the Caribbean plate, as a result of subduction of the Farallon plate.…”

Section: Northern Andesmentioning

confidence: 99%

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Boschman

Hinsbergen

Torsvik

et al. 2014

Earth-Science Reviews

258

300

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Section: Northern Andesmentioning

confidence: 99%

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Boschman

Hinsbergen

Torsvik

et al. 2014

Earth-Science Reviews

258

300

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“…Forearc sedimentation is thus approximately coeval with or slightly younger than volcanism and plutonism in the magmatic arc. Many previous studies have explored the dynamic links between the construction and exhumation of magmatic arcs and sedimentation of forearc basins in terms of sedimentology and petrology of the forearc sequence (Borrero et al, 2012;Einsele et al, 1994;Wang et al, 2012a). The key to explore such links is associated closely with the lithostratigraphic frameworks of the forearc sequence that is well-dated or not.…”

Section: Introductionmentioning

confidence: 99%

Multi-stage volcanic activities and geodynamic evolution of the Lhasa terrane during the Cretaceous: Insights from the Xigaze forearc basin

Dai

Wang

Zhu

et al. 2015

Lithos

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“…La Costa Pacífica Colombiana ha sido dividida en tres grandes zonas conforme a su evolución geológica (FIGURAS 1 y 4): la serranía del Baudó al norte, la sub-cuenca del río San Juan en la parte central y la cuenca Tumaco al sur (Barrero et al, 2007;Borrero et al, 2012).…”

Section: Geología Generalizada De La Costa Pacífica Colombianaunclassified

“…En la cuenca de Tumaco, sobre el basamento, reposan rocas sedimentarias separadas en seis unidades litoestratigráficas, con una sucesión de Oligoceno a Holoceno (Borrero et al, 2012) (TABLA 4). La cuenca Tumaco guarda continuidad geográfica y similitud geológica con la cuenca Borbón en Ecuador.…”

Section: Geología Generalizada De La Costa Pacífica Colombianaunclassified

“…Borrero et al, 2012) y en el Holoceno en el delta del río San Juan (e.g. Martínez and López, 2011), no se han realizado a profundidad estudios que revelen las velocidades precisas de subsidencia durante el Holoceno para localidades de interés específico, como áreas urbanizadas o de interés económico (e.g.…”

Section: Subsidencia Y Levantamiento Reciente En La Costa Pacífica Counclassified

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Marco Conceptual Para Investigaciones Tsunamigénicas: Caso Litoral Pacífico Colombiano

Velasco

López

2016

revbol

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Forma de citar:Velasco, E.R., y López, G.I. 2016. Marco conceptual para investigaciones tsunamigénicas: caso litoral Pacífico colombiano. Boletín de Geología, 38(4): 79-106. RESUMENA nivel histórico, la Costa Pacífica Colombiana ha presenciado seis tsunamis en los últimos 130 años, de los cuales dos han ocasionado completa destrucción de algunos municipios y provocado víctimas humanas. El presente trabajo pretende dar las bases conceptuales necesarias para abordar investigaciones focalizadas a la caracterización de la amenaza por tsunami, verificar el estado del arte y determinar las necesidades investigativas futuras. Toda adecuada realización de investigaciones en paleo-tsunamis debe ser multi-disciplinaria, y compilar, obtener y analizar información geológica, geomorfológica, biológica, antropológica, arqueológica e histórica, lo más detallada posible. Hasta el momento en Colombia, los trabajos realizados en torno a tsunamis han estado enfocados a la cuantificación de la inundación en localidades como Tumaco y Buenaventura. No obstante, a lo largo de la Costa Pacífica Colombiana aún no se ha trabajado en la identificación y caracterización de las fuentes de tsunami, búsqueda y caracterización de evidencias físicas de eventos pasados (e.g. depósitos de paleo-tsunamis), microzonificación sísmica regional, cambios en patrones de vegetación por eventos extremos o el impacto a la dinámica de comunidades indígenas antiguas por tsunamis, entre otros. Para que la gestión del riesgo sea efectiva, deben generarse mapas de amenaza por tsunami que integren todas las herramientas y disciplinas que identifiquen y caractericen dicha amenaza. Por ende, aquí se proponen los pasos a seguir para adecuadas investigaciones tsunamigénicas.Palabras clave: paleo-tsunamis, depósitos de tsunamis, paleo-sismología, Pacífico Colombiano, Zona de Subducción de Nazca. CONCEPTUAL FRAMEWORK FOR TSUNAMIGENIC RESEARCH: COLOMBIAN PACIFIC COAST CASE STUDY ABSTRACTHistorically, the Colombian Pacific Coast has witnessed six tsunamis in the past 130 years, two of which have caused complete community destruction and human loss. The present paper aims to provide a conceptual framework needed to approach palaeo-tsunami research in the area, verifying the state of the art of tsunami hazard characterization and identifying any future investigations. Any acceptable palaeo-tsunami investigation should be multi-disciplinary, and compile, acquire and analyze in much detail, geological, geomorphological, biological, anthropological, archaeological and historical information. So far, the only research done related to tsunami hazard has been for the coastal cities of Tumaco and Buenaventura, and it has been focused on quantification of tsunami flooding. However, no research has yet been done on the identification and characterization of tsunami sources, exploration and characterization of the physical evidence of past events (e.g. palaeo-tsunami deposits), seismic micro-zonation, regional changes in vegetation patterns resulting from extreme events, or changes...

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Tectonostratigraphy of the Cenozoic Tumaco forearc basin (Colombian Pacific) and its relationship with the northern Andes orogenic build up

Cited by 31 publications

References 58 publications

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Multi-stage volcanic activities and geodynamic evolution of the Lhasa terrane during the Cretaceous: Insights from the Xigaze forearc basin

Marco Conceptual Para Investigaciones Tsunamigénicas: Caso Litoral Pacífico Colombiano

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