Early Paleogene magmatism in the northern Andes: Insights on the effects of Oceanic Plateau–continent convergence

Bayona, Germán; Cardona, A.; Jaramillo, Carlos; Mora, Andrés; Montes, Camilo; Valencia, Víctor A.; Ayala, Carolina; Montenegro, Omar; Ibáñez-Mejía, Mauricio

doi:10.1016/j.epsl.2012.03.015

Cited by 94 publications

(154 citation statements)

References 59 publications

Supporting

Mentioning

120

Contrasting

Unclassified

Order By: Relevance

“…Results of detrital zircon U‐Pb geochronology in samples of wells C‐1 and SamanEST‐1. Reference basement ages for possible source terranes were compiled using the data of Cordani et al (), Vinasco et al (), Ibañez‐Mejia et al (, , ), Cardona, Chew, et al (), Cardona, Valencia, et al (), Horton et al (), Montes et al (, ), Restrepo‐Pace and Cediel (), Weber et al (, ), Cardona et al (), Villagómez, Spikings, Mora et al (), Bayona et al (), Cardona et al (, ), Cochrane et al (), Spikings et al (), Van der Lelij et al (), and Mora et al ().…”

Section: Resultsmentioning

confidence: 99%

Linking Late Cretaceous to Eocene Tectonostratigraphy of the San Jacinto Fold Belt of NW Colombia With Caribbean Plateau Collision and Flat Subduction

Mora¹,

Oncken

Breton

et al. 2017

Tectonics

View full text Add to dashboard Cite

Collision with and subduction of an oceanic plateau is a rare and transient process that usually leaves an indirect imprint only. Through a tectonostratigraphic analysis of pre‐Oligocene sequences in the San Jacinto fold belt of northern Colombia, we show the Late Cretaceous to Eocene tectonic evolution of northwestern South America upon collision and ongoing subduction with the Caribbean Plate. We linked the deposition of four fore‐arc basin sequences to specific collision/subduction stages and related their bounding unconformities to major tectonic episodes. The Upper Cretaceous Cansona sequence was deposited in a marine fore‐arc setting in which the Caribbean Plate was being subducted beneath northwestern South America, producing contemporaneous magmatism in the present‐day Lower Magdalena Valley basin. Coeval strike‐slip faulting by the Romeral wrench fault system accommodated right‐lateral displacement due to oblique convergence. In latest Cretaceous times, the Caribbean Plateau collided with South America marking a change to more terrestrially influenced marine environments characteristic of the upper Paleocene to lower Eocene San Cayetano sequence, also deposited in a fore‐arc setting with an active volcanic arc. A lower to middle Eocene angular unconformity at the top of the San Cayetano sequence, the termination of the activity of the Romeral Fault System, and the cessation of arc magmatism are interpreted to indicate the onset of low‐angle subduction of the thick and buoyant Caribbean Plateau beneath South America, which occurred between 56 and 43 Ma. Flat subduction of the plateau has continued to the present and would be the main cause of amagmatic post‐Eocene deposition.

show abstract

Section: Resultsmentioning

confidence: 99%

Linking Late Cretaceous to Eocene Tectonostratigraphy of the San Jacinto Fold Belt of NW Colombia With Caribbean Plateau Collision and Flat Subduction

Mora¹,

Oncken

Breton

et al. 2017

Tectonics

View full text Add to dashboard Cite

show abstract

“…This suggests that the South American continent was originally in a downgoing plate position relative to the Caribbean plate after the formation of the CLIP, followed by a subduction polarity reversal and underthrusting of the Caribbean plate below South America, as seen today. In the northwestern part of the northern Andes, intrusive rocks of 54-59 Ma (U-Pb zircon ages, Bayona et al, 2012) are found. 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).…”

Section: Northern Andesmentioning

confidence: 98%

“…In the northwestern part of the northern Andes, intrusive rocks of 54-59 Ma (U-Pb zircon ages, Bayona et al, 2012) are found. 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).…”

Section: Northern Andesmentioning

confidence: 98%

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Boschman

Hinsbergen

Torsvik

et al. 2014

Earth-Science Reviews

254

300

View full text Add to dashboard Cite

“…Autores como Duncan y Hargraves (1984) proponen una reorientación en el movimiento de las placas Suramericana, Caribe y Farallón, donde el fraccionamiento de esta última, generó las microplacas Cocos y Nazca, dando inicio al evento de orogenia andina. Bayona et al (2012) proponen que desde el Cretácico tardío ocurrieron eventos de subducción y actividad magmática, reposo en el Paleógeno temprano, y posterior reactivación del magmatismo en el Mioceno debido a la subducción de la placa de Nazca. …”

Section: Marco Geológicounclassified

“…Adicionalmente, se realizó una búsqueda de literatura a nivel regional, incluyendo artículos con énfasis en la región sur occidental de Colombia. Se localizaron reportes y publicaciones de múltiples investigaciones y las principales fuentes disponibles incluyeron los trabajos de Velásquez y Parra (2002), Perdomo et al (1986), Pinilla et al (2007), Paris et al (2000), Bayona et al (2012), Jaillard et al (2004), Acosta et al (2007) y Rodríguez et al (2008). Durante esta fase se realizó la digitalización de fallas y lineamientos reportados en los mapas de diferentes publicaciones usando software GIS (ArcGis) con el fin de construir un único mapa previo a la fase de campo.…”

Section: Recopilación Bibliográficaunclassified

Mapa De Fallas De Los Volcanes Chiles-Cerro Negro (Nariño) a Partir De Minería De Datos Y Confirmación De Campo

Bocanegra

Sánchez

2017

Bol. Geol.

View full text Add to dashboard Cite

(Nariño) a partir de minería de datos y confirmación de campo. Boletín de Geología, 39(3): 71-86. RESUMENSe realizó la compilación de un mapa de fallas y lineamientos en la región de interés del proyecto binacional geotérmico Tufiño-Chiles-Cerro Negro en la frontera colombo-ecuatoriana. El mapa se construyó mediante minería de datos consultando todas las fuentes de información publicadas y disponibles que incluyen trazos de fallas y lineamientos. Se descartaron las estructuras que presentaron repetición entre fuentes teniendo en cuenta la georreferenciación resultante de los diferentes mapas publicados. Adicionalmente se proponen nuevos lineamientos con base en la inspección visual de un modelo de elevación digital (DEM) con resolución de 30 m, e imágenes satelitales LANDSAT con resolución de 15 m. De la literatura se extrajeron un total de 30 lineamientos, mientras que la inspección visual del DEM reveló 50 potenciales lineamientos. En total 14 lineamientos cruzan el área de interés del proyecto binacional geotérmico, presentando dos tendencias en orientación: SE-NW (sistema transversal) y SW-NE (sistema longitudinal), con una clara predominancia del sistema transversal. El presente estudio reviste importancia en la localización de lineamientos controladores de la circulación de fluidos geotérmicos.Palabras clave: Geotermia; Volcanes Chiles -Cerro Negro; Proyecto geotérmico binacional ColombiaEcuador; lineamientos; fluidos geotérmicos. MAP OF FAULTS FOR THE CHILES -CERRO NEGRO VOLCANOES REGION (NARIÑO) FROM DATA MINING AND FIELD CONFIRMATION ABSTRACTA compilation of faults and lineaments within the region of interest of the Binational Geothermal Project Tufiño-Chiles-Cerro Negro (Colombia-Ecuador border) was achieved by means of data mining among all available published sources of information, which included fault traces and lineaments. Examination and georeferencing of features included in the various sources of information allowed discarding repeated structures. A number of new potential lineaments are proposed based on visual inspection of a 30-m resolution DEM and a 15-m resolution LANDSAT image. A total of 30 potential lineaments were found in the literature, 50 additional lineaments were inferred from images analyses and 14 lineaments were found which include segments that cross the interest area of the geothermal project. The latter are oriented SE-NW (transversal system) and SW-NE (longitudinal system), with dominance of the transversal system. The present study highlights the importance of lineaments and faults on the controls on geothermal fluids circulation.

show abstract

Early Paleogene magmatism in the northern Andes: Insights on the effects of Oceanic Plateau–continent convergence

Cited by 94 publications

References 59 publications

Linking Late Cretaceous to Eocene Tectonostratigraphy of the San Jacinto Fold Belt of NW Colombia With Caribbean Plateau Collision and Flat Subduction

Linking Late Cretaceous to Eocene Tectonostratigraphy of the San Jacinto Fold Belt of NW Colombia With Caribbean Plateau Collision and Flat Subduction

Kinematic reconstruction of the Caribbean region since the Early Jurassic

Mapa De Fallas De Los Volcanes Chiles-Cerro Negro (Nariño) a Partir De Minería De Datos Y Confirmación De Campo

Contact Info

Product

Resources

About