PhD Student at the Geological Department at the Salamanca University Spain.

Member of the Instituto de Investigaciones en Estratigrafía foraminiferal team and researcher of the Group In Stratigraphy and Vulcanology – GIEV Cumanday at the University of Caldas – Colombia.

M.Sc. in Earth Science Universidad de Salamanca – Spain.

B.Sc. in Geology Universidad de Caldas – Colombia.

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I am interested in the biostratigraphy and paleoenvironmental evolution of the Cenozoic sequences in northwestern South America.

2023. Eocene to Miocene palynology of the Amagá Basin (Cauca Valley, Colombia) compared to the Caribbean Region. Revista de la Academia Colombiana de Ciencias Ectaxtas, Físicas y Naturales 47 (185), 925-942, Pardo-Trujillo, A., Plata-Torres, A., Ramírez, E., Vallejo-Hincapié, F., Trejos-Tamayo, R., https://doi.org/10.18257/raccefyn.1921

2023. Deciphering influencing processes in a tropical delta system (middle-late Eocene? to Early Miocene, Colombian Caribbean): Signals from a well-core integrative sedimentological, ichnological, and micropaleontological analysis. JSAES 127, Celis, S. A., Rodríguez-Tovar, F. J., Pardo-Trujillo, A., García-García, F., Giraldo-Villegas, C. A., Gallego, F., Plata, A., Trejos-Tamayo, R., Vallejo, F., & Cardona, F. J. (2023). 104368. https://doi.org/10.1016/j.jsames.2023.104368

2023. Late Cretaceous calcareous nannofossil assemblages from Colombia: Biostratigraphic contributions to northwestern South American Basins. Journal of South American Earth Sciences, 104315. Angulo-Pardo, E., Vallejo-Hincapié, F., Guerra, R. D. M., Pardo-Trujillo, A., Giraldo-Villegas, C. A., González, J. G., Hernandez-Duran, S., Herrera-Quijano, S., Plata-Torres., A., & Trejos-Tamayo, R. https://doi.org/10.1016/j.jsames.2023.104315

2023. Astrobiochronological calibration of an early Oligocene succession from the Colombian Caribe: Tectonostratigraphic implications. JSAES. Osorio, L., Ochoa, D., Trejos-Tamayo, R., Pardo-Trujillo, A. https://doi.org/10.1016/j.jsames.2023.104328

2023. Lower to Middle Miocene multiproxy biostratigraphy of the P-18 core-stratigraphic well in Sinú-San Jacinto Basin, Caribbean region of Colombia. JSAES, 123. Duque-Castano, M., Trejos-Tamayo, R., Osorio, L., Angulo, E., Vallejo, F., Plata, A., Pardo, A. http://doi.org/10.1016/j.jsames.2023.104228

2023. Early Eocene (Ypresian) palynology of marine sediments from the Colombian Caribbean. JSAES, 121. Plata, A., Pardo, A. Vallejo, F., Trejos-Tamayo, R., Flores, J-A. https://doi.org/10.1016/j.jsames.2022.104146

2021. A Pliocene–Pleistocene continental biota from Venezuela. Swiss Journal of Palaeontology, 140,9. Carrillo-Briceño, J.D., Sánchez, R., Scheyer, T.M., Carrillo, J.D., Delfno, M., Georgalis, G.L., Kerber, L., Ruiz-Ramon, D., Birindelli, J.L., Cadena, E.D., Rincón, A.F., Chavez-Hofmeister, M., Carlini, A.A., Carvalho, M.R., Trejos-Tamayo, R., Vallejo, F., Jaramillo, C., Jones, D.S., Sánchez-Villagra, M.R. https://doi.org/10.1186/s13358-020-00216-6

2020. Biostratigraphy of ejected material from mud volcanoes in the Caribbean region of Colombia: Contribution to the stratigraphy of Sinú Basin. JSAES, 103. Trejos-Tamayo, R., Vallejo-Hincapíe, F., Arias, V., García, C., Pardo, A., Flores, J-A., Bedoya, E. https://doi.org/10.1016/j.jsames.2020.102782

2020. Dinámica del clima y la vegetación de los últimos 6700 años en el sector Mistrató (cordillera Occidental, Colombia). Bol. Cient. Mus. Hist. Nat. U. de Caldas, 24 (1): 00-00. Acevedo, A.L., Velásquez, C.A., Pardo-Trujillo, A., Vélez, M.C., Vallejo, F., Jaramillo, D., Trejos Tamayo, R. DOI: 10.17151/bccm.2020.24.1.3

2020. Sedimentary record of the Cretaceous–Paleocene arc–continent collision in the northwestern Colombian Andes: Insights from stratigraphic and provenance constraints. Sedimentary Geology, 401, 1-26. Andrés Pardo- Trujillo, Agustín Cardona, A.S. Giraldo, Santiago León, Diego Felipe Vallejo, Raúl Trejos-Tamayo, Angelo Plata, J. Ceballos, Sebastián Echeverri, Ángel Barbosa-Espitia, J. Slattery Andrés Salazar-Ríos, G.E.Botello, Sergio Andrés Celis, Edward Osorio-Granada, Carlo A. Giraldo-Villegas. DOI: https://doi.org/10.1016/j.sedgeo.2020.105627

2020. Drastic Vegetation Change in the Guajira Peninsula (Colombia) During the Neogene. Paleoceanography and Paleoclimatology, 35, e2020PA003933.. Jaramillo, C., Sepulchre, P., Cardenas, D., Correa‐Metrio, A., Moreno, J.E., Trejos-Tamayo, R., Vallejo, F., Hoyos, N., Martínez, C., Carvalho, D., Escobar, J., Oboh‐Ikuenobe, F., Prámparo, M., Pinzón, D. https://doi.org/10.1029/2020PA003933

2019. Provenance of Eocene–Oligocene sediments in the San Jacinto Fold Belt: Paleogeographic and geodynamic implications for the northern Andes and the southern Caribbean. Geosphere, 16, 1-19. Edward Osorio-Granada, Andrés Pardo-Trujillo, Sergio Andrés Restrepo-Moreno, Fabián Gallego, Jaime Muñoz, Ángelo Plata, Raúl Trejos-Tamayo, Felipe Vallejo, Ángel Barbosa-Espitia, Francisco Javier Cardona-Sánchez, David Foster, George Kamenov. DOI: https://doi.org/10.1130/GES02059.1

2019. Early Eocene (Ypresian) calcareous nannofossil stratigraphy from the Caribbean region of Colombia, South America. Geologic Problem Solving with Microfossils IV, SEPM Special Publication No. 111, 161–171. Felipe Vallejo, Marie Pierre Aubry, Andrés Pardo Trujillo, Raúl Trejos Tamayo, Ángelo Plata, Andrés Salazar Ríos, Andrés Díaz Jaramillo, Jairo Alonso Osorio. DOI: 10.2110/sepmsp.111.07

2018. First record of middle Miocene marine diatoms from the Colombian Pacific (NW South America) and their palaeoceanographic significance. Marine Micropaleontology, 140, 17-32. Angelo Plata, Felipe Vallejo, Raúl Trejos, Andrés Pardo-Trujillo, José-Abel Flores Francisco J. Sierro. DOI: https://doi.org/10.1016/j.marmicro.2017.12.005

2017. Detrital zircon typology and U/Pb geochronology for the Miocene Ladrilleros-Juanchaco sedimentary sequence, Equatorial Pacific (Colombia): New constraints on provenance and paleogeography in northwestern South America. Geologica Acta, 15, (3), 201-215. Edward Osorio-Granada, Sergio Andrés Restrepo-Moreno, Jaime. Muñoz-Valencia, Raúl Trejos-Tamayo, Andrés Pardo-Trujillo, Ángel Barbosa-Espitia. DOI: http://dx.doi.org/10.1344/%25x

2017. Middle Pleistocene paleolimnology of a dammed tropical river: The Zarzal Formation, Cauca Valley, Colombia. Palaeogeography, Palaeoclimatology, Palaeoecology 487, 194–203. Daniel Jaramillo, Diego Felipe Vallejo, María Isabel Vélez, Sergio Restrepo-Moreno, Andrés Pardo-Trujillo, Raúl Trejos-Tamayo, Hugo Murcia, Min Kyoungwon, Angel Barbosa-Espitia. DOI: http://dx.doi.org/10.1016/j.palaeo.2017.08.034

2016. Ichnological analysis of the Upper Miocene in the ANH-Tumaco-1-ST-P well: assessing paleoenvironmental conditions at the Tumaco Basin, in the Colombian Pacific. Journal of South American Earth Sciences, 71, 41-53. Carlos A. Giraldo-Villegas, Sergio A. Celis, Francisco J. Rodríguez-Tovar, Andrés Pardo- Trujillo, Diego F. Vallejo-Hincapié, Raúl A. Trejos-Tamayo. DOI: http://dx.doi.org/10.1016/j.jsames.2016.06.008

2016. Low-Latitude Miocene Calcareous and Siliceous Microfossil Biostratigraphy from Nw South America: Ladrilleros-Juanchaco Section, Colombian Pacific. Ameghiniana, 53 (6), 629-644. Felipe Vallejo, José-Abel Flores, Ángelo Plata, Raúl A. Trejos-Tamayo, Andrés Pardo, Francisco J. Sierro, M. Ángeles Bárcena. DOI: http://dx.doi.org/10.5710/AMGH.11.08.2016.2978