Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia

Andrés Reyes-Harker, Carlos Fernando Ruiz-Valdivieso, Andrés Mora, Juan Carlos Ramírez-Arias, Guillermo Rodriguez, Felipe De La Parra, Victor Caballero, Mauricio Parra, Nestor Moreno, Brian K. Horton, Joel E Saylor, Alejandro Silva, Victor Valencia, Daniel Stockli, Vladimir Blanco

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

New biostratigraphic zonations, core descriptions, sandstone petrography, facies analysis, and seismic information are compared with published detrital and bedrock geo- and thermochro-nology to build a Cenozoic paleogeographic reconstruction of the Andean retroarc region of Colombia, encompassing the ancestral Central Cordillera, Middle Magdalena Valley, Eastern Cordillera, and Llanos basin. We identify uplifted sediment source areas, provenance domains, depositional environments, and thickness changes to propose a refined paleogeographic evolution of eastern Colombia. We conclude that Cenozoic evolution of the northernmost Andes includes (1) a period of contractional deformation focused in the Central Cordillera and Middle Magdalena Valley that may have started by the Late Cretaceous, although thermochronological data points to maximum shortening and exhumation during the late Paleocene; (2) a period of slower deformation rates or even tectonic quiescence during the middle Eocene; and (3) a renewed phase of contractional deformation from the late Eocene to the Pleistocene/Holocene expressed in provenance, bedrock thermochronology, and increased subsidence rates in the Llanos foreland. The sedimentary response in the Llanos foreland basin is controlled by source area proximity, exhumation and shortening rates, relationships between accommodation and sediment supply, as well as potential paleo-climate forcing. This new reconstruction changes the picture of Cenozoic basin evolution offered by previous reconstructions, providing an updated chronology of deformation, which is tied to a more precise understanding of basin evolution.

Original languageEnglish (US)
Pages (from-to)1407-1453
Number of pages47
JournalAAPG Bulletin
Volume99
Issue number8
DOIs
StatePublished - Aug 1 2015
Externally publishedYes

Fingerprint

paleogeography
cordillera
basin evolution
exhumation
provenance
bedrock
Sediments
Eocene
Petrography
valley
thermochronology
facies analysis
climate forcing
Subsidence
Tectonics
foreland basin
Sandstone
petrography
paleoclimate
depositional environment

ASJC Scopus subject areas

  • Earth and Planetary Sciences (miscellaneous)
  • Energy Engineering and Power Technology
  • Fuel Technology
  • Geochemistry and Petrology
  • Geology

Cite this

Reyes-Harker, A., Ruiz-Valdivieso, C. F., Mora, A., Ramírez-Arias, J. C., Rodriguez, G., De La Parra, F., ... Blanco, V. (2015). Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia. AAPG Bulletin, 99(8), 1407-1453. https://doi.org/10.1306/06181411110

Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia. / Reyes-Harker, Andrés; Ruiz-Valdivieso, Carlos Fernando; Mora, Andrés; Ramírez-Arias, Juan Carlos; Rodriguez, Guillermo; De La Parra, Felipe; Caballero, Victor; Parra, Mauricio; Moreno, Nestor; Horton, Brian K.; Saylor, Joel E; Silva, Alejandro; Valencia, Victor; Stockli, Daniel; Blanco, Vladimir.

In: AAPG Bulletin, Vol. 99, No. 8, 01.08.2015, p. 1407-1453.

Research output: Contribution to journalArticle

Reyes-Harker, A, Ruiz-Valdivieso, CF, Mora, A, Ramírez-Arias, JC, Rodriguez, G, De La Parra, F, Caballero, V, Parra, M, Moreno, N, Horton, BK, Saylor, JE, Silva, A, Valencia, V, Stockli, D & Blanco, V 2015, 'Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia', AAPG Bulletin, vol. 99, no. 8, pp. 1407-1453. https://doi.org/10.1306/06181411110
Reyes-Harker A, Ruiz-Valdivieso CF, Mora A, Ramírez-Arias JC, Rodriguez G, De La Parra F et al. Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia. AAPG Bulletin. 2015 Aug 1;99(8):1407-1453. https://doi.org/10.1306/06181411110
Reyes-Harker, Andrés ; Ruiz-Valdivieso, Carlos Fernando ; Mora, Andrés ; Ramírez-Arias, Juan Carlos ; Rodriguez, Guillermo ; De La Parra, Felipe ; Caballero, Victor ; Parra, Mauricio ; Moreno, Nestor ; Horton, Brian K. ; Saylor, Joel E ; Silva, Alejandro ; Valencia, Victor ; Stockli, Daniel ; Blanco, Vladimir. / Cenozoic paleogeography of the Andean foreland and retroarc hinterland of Colombia. In: AAPG Bulletin. 2015 ; Vol. 99, No. 8. pp. 1407-1453.
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