Carlos Jaramillo

Publications and Abstracts


Currently In Press

Jaramillo, C., Rueda, M., Bayona, G. Santos, C., Florez, P. and De la Parra, F. Biostratigraphy Breaking Paradigms: The Absence of the Eocene Mirador Formation in the Eastern Llanos of Colombia. SEPM special issue. Biostratigraphic Applications.
Jaramillo, C., Rueda, M., Torres, V., Rodríguez, G.; Bedoya, G., Santos, C., Vargas, M.C., and Mora, G. Mora, 2006. Palinologia del Paleogeno del norte de Suramerica: un acercamiento a la cronoestratigrafia de las cuencas del piedemonte y llanos de Colombia. Boletin de Información Petrolera, Asociación Argentina de Geólogos y Geofísicos petroleros.

Papers in PDFs

Publications in PDFs  

Submitted Papers

Jaramillo, C., Pardo-Trujillo, A,. Rueda, M., Harrington, G., Bayona, G., Torres, V., and Mora, G. Palynology of the Upper Paleocene Cerrejon Formation, Northern Colombia. Submitted to Palynology.
Wing, S. Herrera, F., Jaramillo, C., and Gomez, C. 2006. A Paleocene Neotropical Rainforest: Implications for the Evolution of Diversity. Submitted to Nature.
Bayona, C., Jaramillo, C., Rueda, M., and Reyes, A. 2006 Tectonic and Eustatic influence of Basin-wide Flooding Surfaces in the Llanos basin of Colombia: How to use them for Stratigraphic Correlation? Submitted to Journal of Sedimentary Research.
Sole de Porta, N. Jaramillo, C. and Martin-Agarra, A. 2006. Pantropical palynomorphs in the Eocene of Malaga (Betic Cordillera, Southern Spain). Submitted to Revista Española de Micropaleontología.
Reynolds, D. and Jaramillo, C. Maastrichtian to Paleocene Mykota from Colombia. Submitted to Palynology.
Lamus-Ochoa, F., Bayona, G. and Jaramillo, C. Procedencia de la Sucesión Paleocena en el Norte de la Cuenca Cesar- Ranchería (Colombia) y Este de la Serranía de Perijá (Venezuela): Aplicaciones en la Tectónica Regional. Submitted to Geologia Colombiana.
Bayona, C., Cortes, M., Jaramillo, C., Ojeda, G., Aristizabal, J.J., and Reyes, A. Linking basin geometry, stratal architecture, provenance and subsidence with thrust-belt deformation: an example from the Eastern Cordillera and Llanos basin of Colombia. Submitted to Geological Society of America Bulletin.
Cadena, E., Jaramillo, C., and Paramo, M. Chelus colombiana from the Early Miocene of Colombia, an emendation. Submitted to Journal of Vertebrate Paleontology.

Published Abstracts of Papers Presented at Professional Meetings

Bayona, G, Cortes, M., Jaramillo, C., Ojeda, G., Aristizabal, J. and Reyes-Harker, A. 2007. Deformacion pre-neogena de la cordillera Oriental definido por depositos de antepais. XI Congreso Colombiano de Geologia. Bucaramanga.
Cardona, A., Weber, M., Bayona, G. Jaramillo, C., Montes, C., Ojeda, G., Duque, J., and Salazar, C.A. 2007 Tectonic growth of a Cretaceous-Eocene accretionary orogen formed at the southern margin of the Caribbean Plate: integrated geological insights from northernmost Colombia. American Geophysical Union Joint Assembly Meeting, Acapulco, Mexico.
Bayona, G., Montes, C., Jaramillo, C., Ojeda, G., Pardo, A., Cardona, A. and Lamus, F. 2007 Uplift of continental crustal blocks adjacent to the Rancheria-Guasare Basins: the effects of Maastrichtian-Paleocene collision along the southern Caribbean plate boundary. American Geophysical Union Joint Assembly Meeting, Acapulco, Mexico.
Fiorini, F, and Jaramillo, C. 2007. Paleoenvironmental Reconstruction of The Oligocene-Miocene Deposits of Southern Caribbean (Carmen De Bolivar, Colombia) Based on Benthic Foraminifera. XI Congreso Colombiano de Geologia. Bucaramanga.
Jaramillo, C. 2007. Quantitative Biostratigraphy. IV Congreso Colombiano de Botanica. Medellin.
Santos, C., Jaramillo, C. Torres, V., Rueda, M., Florez, P. and Rodriguez, G. 2007 Influencia marina en el Eoceno tardio del oriente y suroriente de Colombia. XI Congreso Colombiano de Geologia. Bucaramanga.
Molinares, C. Martinez, J.I., Fiorini, F., and Jaramillo, C. 2007. Ambientes de acumulación y asociaciones de foraminifereos bentónicos de la formación Tubará (norte de Colombia). XI Congreso Colombiano de Geologia. Bucaramanga.
Moron, S., Montes, C., Jaramillo, C., Bayona, C., and Sanchez, C. 2007. Ciclicidad en la formacion Cerrejon. XI Congreso Colombiano de Geologia. Bucaramanga.
Jaramillo, C. 2007. Quantitative Biostratigraphy. 1 Simposio Venezolano de Paleontología y Bioestratigrafía. Caracas, Venezuela.
Herrera, F., Dilcher, D., Jaramillo, C., and Wing, S. 2007. Araceous fossil leaves from the Paleocene of Colombia, Northern South America. 24th Annual Midcontinent Paleobotanical Colloquium, Dallas TX.
Fiorini, F., Torres, V., Flores, J.A., and Jaramillo, C. 2007. Recent biofacies distribution along the continental platform and shelf of the Colombian Caribbean. INQUA, Australia.
Da Silva, S. Jaramillo, C., and Absy, M. 2006 A quantitative biostratigraphy for the Miocene of tropical South America. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 444
Bayona, G., Jaramillo, C., Cortes, M., and Ojeda, G. 2006 Constraining Pre-Middle Miocene Andean deformation based on foreland basin geometry and geodynamic modeling: a case from the northern Andes. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 346
Jaramillo, C. and De la Parra, F. 2006 Palynological changes across the Cretaceous-Paleocene boundary in the Neotropics. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 380
Gonzales, H., Mora, G., and Jaramillo, C. 2006 Carbon isotopic composition of plant-derived organic matter from a tropical sedimentary sequence as a recorder of late Cretaceous-early Paleogene changes in the carbon cycle. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 482
Harrington, G, and Jaramillo, C. 2006 North American Paratropical Floral Extinction In The Late Paleocene-Early Eocene. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 381
Parra, M., Mora, A., Jaramillo, C., Strecker, M., Rueda, M. and Quiroz, L. 2006. Late Oligocene to Pliocene foreland basin sedimentation in the Medina Basin, Colombia: tracking the record of the uplift and growth of the Eastern Cordillera in the North Andes. Latinoamerican Congress of Sedimentology, Barquisimeto, Venezuela.
Pulido, M, Cardenas, A., Jaramillo, C. Arango, C. Molinares, C, and Rincon, D. 2006 Cómo la bioestratigrafía de Foraminíferos "On-site" está ayudando a ECOPETROL a ahorrar dinero y perforar mejores pozos? El caso del pozo González-1. IX Simposio Bolivariano de Exploración Petrolera en las Cuencas Subandina, Cartagena.
Parra, M., Mora, A., Jaramillo, C., Rueda, M. and Strecker, M. 2006 Palaeogene mountain building along the eastern North Andes front: an image from syntectonic sediments in the Medina Basin, Eastern Cordillera (4-5°N), Colombia. GV International Conference 2006 and 96th Annual Meeting of the Geologische Vereinigung e. V., Postdam.
Jaramillo, C. and De la Parra, F. 2006 Palynological Changes Across The Cretaceous-Paleocene Boundary In The Neotropics. Abstract in XIII Simposio Argentino de Paleobotanica y Palinologia, Bahia Blanca, Argentina
Fiorini, F. and Jaramillo, C. 2006 Paleobathymetric and paleoenvironmental reconstruction of the Oligocene and Miocene sediments of southern Caribbean (Carmen de Bolivar, Colombia) based on benthic foraminifera. Forams 2006 conference, International Symposium on Foraminifera., Natal, Brasil.
Cadena, E., and Jaramillo, C. 2006 New Podocnemididae fossil turtles from the late Paleocene Cerrejon formation, Guajira Peninsula, Colombia. 66th Annual Meeting of the Society of Vertebrate Paleontology, Ottawa, Canada.
Cadena, E. Paramo, M., Gaona, T., Rueda, M., Torres, V. and Jaramillo, C. 2006 Podocnemidiae and Chelidae turtles from the early Miocene, Middle Magdalena Valley, Colombia: the oldest record of Podocnemis and Chelus in South America. 66th Annual Meeting of the Society of Vertebrate Paleontology, Ottawa, Canada.
Bayona, G., Reyes, A., Jaramillo, C., Rueda, M., Aristizabal, J., Cortes, M. and Gamba, N. 2006. Distinguishing Tectonic Versus Eustatic Flooding Surfaces in the Llanos Basin of Colombia, and Implications for Stratigraphic Correlations, IX Simposio Bolivariano de Exploración Petrolera en las Cuencas Subandina, Cartagena.
Rodriguez, G. Molinares, C., Brenac, P., Jaramillo, C. and Contreras, L. 2006 Es discordante el contacto los Cuervos-Mirador en el Catatumbo? IX Simposio Bolivariano de Exploración Petrolera en las Cuencas Subandina, Cartagena.
Jaramillo, C. Rueda, M., Torres, V. Rodriguez, G., Bedoya, G., Santos, C., Vargas, M. and Mora, G. 2006. Palinología Del Paleógeno Del Norte De Suramérica: Un Acercamiento a La Cronoestratigrafía de las Cuencas del Piedemonte y Llanos de Colombia. IX Simposio Bolivariano de Exploración Petrolera en las Cuencas Subandina, Cartagena.
Ojeda, G, Rincon, D., Torres, V. and Jaramillo, C. 2006 The Magdalena fan: An important witness of the Neogene paleoceanography of the Caribbean Sea. JOI/USSSP-sponsored IODP Workshop Tectonics, Circulation, and Climate in the Caribbean Gateway, Capitol Place Hotel, 500 N. IH-35, Austin, Texas, pp. 37
Mejia, P., Dilcher, D., and Jaramillo, C. 2006 Early Angiosperm evolution in tropical latitudes inferred from Cretaceous palynofloras. Advances in Paleobotany Program and Abstracts, Gainesville, USA, p. 46.
Jaramillo, C. 2006 Area drives plant diversification in the Neotropics. Advances in Paleobotany Program and Abstracts, Gainesville, USA, p. 33.
Jaramillo, C, Rodriguez, G., Brenac, P., Rueda, M., Contreras, L., and Mora, G. 2006 Major floristic changes at the PETM in the Neotropics. Climate and Biota of the early Paleogene, Bilbao, Spain.
Bayona, G. Reyes, A., Jaramillo, C. and Rueda, M. 2006 Distinguishing Tectonic Versus Eustatic Flooding Surfaces in the Llanos Basin of Colombia, and Implications for Stratigraphic Correlations. Simposio Bolivariano de Cuencas Subandinas, Cartagena
Rincon, D, Cardenas, A., Pulido, M. Molinares, C. Caicedo, C. Cuartas, C. Arenas, J. and Jaramillo, C. 2006. Oligocene-Pliocene Planktonic Foraminifera Biostratigraphy From Southwest Caribbean. Forams 2006 conference, International Symposium on Foraminifera., Natal, Brasil.
Bayona, G., Cortes, M., Aristizabal. J., Jaramillo, C., Ojeda, G., Rueda, M., Reyes, A., Villamarin, P. 2006. Pinch out of Upper Cretaceous-Oligocene reservoir units in the Llanos basin of Colombia: a result of flexural deformation in a broken foreland? AAPG Annual Meeting, Houston, TX.
Herrera, F., Wing, S., and Jaramillo, C. A. 2005. Warm (Not Hot) Tropics During the Late Paleocene: First Continental Evidence. AGU Annual Meeting, San Francisco.
Jaramillo, C, Rodriguez, G., Brenac, P., Rueda, M. 2005. Floristic Changes at the PETM in the Neotropics. GSA Annual Meeting, Denver.
Mejia, P, Dilcher, D, and Jaramillo, C. 2005 Early Angiosperm Evolution in Tropical Latitudes. AASP 38th Annual Meeting, St. Louis, Missouri.
De la Parra, F., and Jaramillo, C. 2005. The Cretaceous-Tertiary boundary in tropical latitudes: Understanding the response of tropical vegetation to a major environmental crisis. AASP 38th Annual Meeting, St. Louis, Missouri.
Molinares, C. And Jaramillo, C. 2005. Biostratigraphic value of Rzehakina epigona in the Paleocene - Early Eocene of Northern South America. 7th IWAF, International Workshop about Agglutinated Foraminifera. Urbino, Italy.
Montes, C., Bayona, G., Jaramillo, C., Ojeda, G., Molina, M., and Herrera, F., 2005. Uplift of the Sierra Nevada de Santa Marta and Subsidence in the Cesar-Rancheria Valley: Rigid-Beam Pivot Model, in 6th International Symposium of Andean Geodynamics, Barcelona, Extended Abstracts: 520-523.
Parra, M., Mora, A., Jaramillo, C. Strecker, M. and Veloza, G. 2005. New stratigraphic data on the initiation of mountain building at the Eastern Front of the Colombian Eastern Cordillera. ISAG Abstracts, Barcelona.
Bloch, J. I., Cadena, E. A., Wing, S. L., Jaramillo, C. 2005. Paleocene vertebrates from the Cerrejón Formation, Guajira peninsula, Northeastern Colombia. Society of Vertebrate Paleontologist Annual Meeting.
Jaramillo, C. Rueda, M., De la Parra, F, G. Rodriguez. 2005. Biostratigraphy Breaking Paradigms: The Absence of the Mirador Formation in the Eastern Llanos of Colombia. Geological Problem Solving with Microfossils. Rice University, Houston.
Rueda, M. and Jaramillo, C. 2005. A Palynological Zonation for the Cretaceous - Tertiary of Colombia. Geological Problem Solving with Microfossils. Rice University, Houston.
Jaramillo, C. and Rueda, M. 2004. Impact of Biostratigraphy on Oil Exploration. III Convencion Tecnica ACGGP. La inversion en el conocimiento geologico, P4, CDROM, Bogota.
Bayona, G., Jaramillo, C., Rueda, M., Pardo, A., Christie A., and Hernandez, G. 2004. Important Paleotectonic and Chronostratigraphic Considerations of the Late Paleocene in the Northernmost Andes as Constrained by Paleocene Rocks in the Cerrejón Coal Mine, Guajira, Colombia. III Convencion Tecnica ACGGP
Pardo-Trujillo, A. and Jaramillo, C.A. 2004. Paleocene-Eocene palynology and palynofacies of tropical South America: northeastern Colombia and western Venezuela. XI IPC, Grenada, Spain, Polen 14: 191-192.
Mejia, P. and Jaramillo, C.A. 2004. Do tropical floodplains from the Aptian contain less angiosperms than tropical foodplains from the Maastrichtian? XI IPC, Grenada, Spain, Polen 14: 448.
Jaramillo, C.A.; Rueda, M.J.; De la Parra, F; Bedoya, G; Gomez, C., Mejia, P.; Cadena, E.; Herrera, F.; Antolinez, H.; Florez, P.; Santos, C. and Cogollo, M. 2004. Quantitative biostratigraphy for the Tertiary of the Llanos Foothills, Colombia: Improving palynological resolution for oil exploration. XI IPC, Grenada, Spain, Polen 14: 189-190.
Willumsen, P.S.; Antolinez, H., Jaramillo, C. and Oboh-Ikuenobe, F. 2004. Maastrichtian to early Eocene dinoflagellate cysts of West Africa, Nigeria. XI IPC, Grenada, Spain, Polen 14: 414-415.
Solé de Porta, N., Jaramillo, C. and Martín-Algarra, A. 2004. Pantropical Palynomorphs in the Eocene of The Malaguides (Betic Cordillera, Southern Spain). XI IPC, Grenada, Spain, Polen 14: 189.
Wing, S., Herrera, F., and Jaramillo, C. A. 2004. A Paleocene flora from the Cerrejon formation, Guajira Peninsula, northeastern Colombia, International Organization of Paleobotany, Seventh Quatrennial Conference. Bariloche, Argentina. Abstracts 146-147.
Jaramillo, C. 2004. Campanian to Miocene patterns of plant diversification in the neotropics. VII IOPC. Bariloche, Argentina.
Jaramillo, C. 2004. Paleogene patterns of plant diversification in the Neotropics. Climate and biota of the Early Paleogene: CBEP V. Luxor, Egypt.
Antolinez, H., Jaramillo, C.A., and Oboh-Ikuenobe, F. 2003. Late Paleocene-early Eocene dinoflagellate cyst assemblages in Nigeria: biostratigraphic implications for tropical regions. Abstracts and Proceedings, AASP Annual Meeting, St. Catherines, Canada.
Jaramillo, C. 2003. Maastrichtian to Early Miocene patterns of plant diversification in the Neotropics. GSA Annual Meeting, Seattle.
Pardo, A., Jaramillo, C., Dupuis, C. and Roche, E. 2003. Paleogene palynostratigraphy of NW South America. Paleogene Stratigraphy, IUGS, Leuven, Belgium
Jaramillo, C. 2003. Resilencia de un bosque a cambios externos y su diversidad. IX Congreso Colombiano de Geologia, Medellin.
Pardo, A. and Jaramillo, C. 2003. Avances y perpectivas en los estudios palinologicos del Terciario inferior de Colombia. IX Congreso Colombiano de Geologia, Medellin.
Bayona, G., Montes, C., y Jaramillo, C., 2003. Propuesta para documentar rotaciones de bloques regionales y estructuras locales en los Andes Septentrionales. IX Congreso Colombiano de Geologia, Medellin.
Antolinez, H, and Jaramillo, C. 2003. Calibracion de las zonas de polen y esporas de la transicion Paleoceno-Eoceno de Nigeria usando dinoflagelados. IX Congreso Colombiano de Geologia, Medellin.
Herrera, F. and Jaramillo, C. 2003. Paleotemperatura y Paleoprecipitacion del Paleoceno Superior tropical apartir de magafosiles de plantas de la Formacion Cerrejon. IX Congreso Colombiano de Geologia, Medellin.
Cogollo, M., Rueda, M., Jaramillo, C. and Muñoz, F. 2003. Aplicación de un patrón palinoestratigráfico en el pozo Arauca-2: Se dirime la existencia de la Formación Mirador y otras interpretaciones. IX Congreso Colombiano de Geologia, Medellin.
Daza, R. and Jaramillo, C. 2003. Batimetría de un punto del Ontong Java Plateau (Ocean Drilling Program, Leg 192, Sitio 1184) durante el Eoceno medio. IX Congreso Colombiano de Geologia, Medellin.
Jaramillo, C., Muñoz, F., Cogollo, M, and De la Parra, F, 2002. Quantitative Biostratigraphy for the Paleogene of the Llanos Foothills, Colombia: Improving Palynological Resolution in Oil Exploration. AASP-NMA joint meeting, London.
Pardo, A. and Jaramillo, C. 2002. Palinologia del intervalo Paleoceno-Eoceno en el Valle Medio del Magdalena (Colombia, Sur América). XIV Simposio de la Asociación de Palinólogos de Lengua Española (APLE), Salamanca.
Jaramillo, C. 2002 La utilidad de los fósiles en reconstrucciones biogeográficas y filogenéticas. Congreso Latinoamericano de Botanica, Cartagena
Jaramillo, C., German Bayona, Andres Pardo, Maria Victoria Mejia; Neil Opdyke, Rob Van der Voo, Javier Sanchez, 2002. Constraining the age of synorogenic continental paleogene strata in the Eastern Cordillera of Colombia, South america: a combined palynological and paleomagnetic approach. Eos Trans. AGU 83 (47), Fall Meet. Suppl., Abstract. GP71A-0978.
Jaramillo, C. and Dilcher, D. 2001 Response of tropical vegetation to the early Paleogene warming climate. Congreso Colombiano de Geologia, Manizales.
Jaramillo, C. and Bayona, G. 2001 Distribución del mangle durante el Holoceno en el Golfo de Tribugá, Chocó. Congreso Colombiano de Geologia, Manizales.
Jaramillo, C., Oboh-Ikuenobe, F. E., and Obi, G. 2001 The early Eocene floras of equatorial latitudes: First record of a tropical rainforest in geologic history. Abstracts and Proceedings, AASP Annual Meeting, San Antonio, TX.
Jaramillo, C. 2001. Response of tropical vegetation to the early Paleocene warming climate. Climate and biota of the early Paleogene, Powell, Wyoming, USA, Memoirs, p. 48.
Jaramillo, C. 2001. Mangrove distribution during the Holocene in Chocó, Colombia. Mid continent Paleobotanical Colloquium, Washington DC, 2001.
Jaramillo, C. and Dilcher, D. 2000. The effects of global warming on tropical vegetation: an example from the Eocene of Colombia. Abstracts 10th International Palynological Congress, Nanjing, China, p. 74.
Millam, K. C. and C. A. Jaramillo. 1999. Drip-tips: phylogenetic heritage or ecological adaptation? Joint meeting of the Society for the Study of Evolution, The American Society of Naturalists, and The Society of Systematic Biologists. Madison, Wisconsin.
Jaramillo, C. and Dilcher, D. 1999. Pollen diversity patterns during the Eocene Thermal Maximum in Central Colombia. Abstracts XVI International Botanical Congress, St. Louis, MO, p. 452.
Jaramillo, C. and Dilcher, D. 1999. Patrones de diversidad durante el calentamiento global del Eoceno en Colombia. Memoria 1 Congreso Colombiano de Botánico, Bogotá, Colombia.
Jaramillo, C. and Bayona, G. 1999. Distribución del manglar durante el Holoceno en el Golfo de Tribugá, Chocó. Memoria 1 Congreso Colombiano de Botánico, Bogotá, Colombia.
Hopkins, D.J., Johnson, K.R., and Jaramillo, C. 1998. Diversity and evolution of Cenozoic cycads in western North America. Abstracts and Proceedings, BSA annual meeting, Baltimore.
Bayona, G. and Jaramillo, C. 1998. Maastrichtian-Paleocene basin evolution of northwestern South America: the transition from a mature extensional basin to a foreland basin. AAPG annual meeting, Salt Lake City, UT, analytic compact disc.
Jaramillo, C. and Dilcher, D. 1997. Middle Paleogene Palynology of La Pinalerita section, Llanos Foothills, Colombia: Biostratigraphic and Sequence Stratigraphic Implications. Symposium of Palynostratigraphy of Low Latitudes, Isla Margarita, Venezuela.
Jaramillo, C. and Oboh, F. 1996. Sequence Stratigraphic Interpretations from Dinocyst Distribution, Palynofacies, and Lithologic Characteristics: an Example from the Late Paleogene of the Eastern Gulf Coast, USA". Ninth International Palynological Congress, Houston, Abstracts, p. 72.
Jaramillo, C. and Dilcher, D.L. 1996. Paleoecological Reconstructions from Palynological and Plant Megafossil Remains: Two Opposite Points of View. Ninth International Palynological Congress, Houston., Abstracts, p. 71.
Jaramillo, C., Yepes, O., and Oboh, F. 1996. Modeling Paleobathymetric and Relative Sea Level Curves from Palynofacies Analysis and Palynomorphs Paleoecology. AAPG Bulletin 80: 1303.
Dilcher, D.L., Jaramillo, C., and Setterholm, D.R. 1996. Fossil plants from Mid-Cretaceous sediments in Southwest Minnesota". Abstract with Programs-GSA, v. 28, 6, p. 36.
Jaramillo, C. , Oboh, F. and Yepes, O. 1995. Reconstructing paleobathymetric curves from palynofacies analyses of siliciclastics, cherts, and carbonates rocks from nearshore outer shelf depositional systems" Abstracts and Proceedings, 25 AASP Annual Meeting, Ottawa, Canada, p. 15.
Oboh, F., Jaramillo, C., and Reeves, L. 1995. Late Eocene and Early Oligocene Paleofloristics patterns in Southern Mississippi and Alabama . Palynology 19: 245.
Jaramillo, C. Yepes, O. 1995. Palynological Recognition of a Maximum Flooding Surface. Abstracts and Proceedings, AAPG Annual Meeting, Houston, TX., p. 47A.
Jaramillo, C., Barreto, M. and Montes, C. 1994. Tectonism and its Role in Evolution. Remarks from the Cordillera Oriental of Colombia. Abstracts and Proceedings, GSA Annual Meeting, Seattle, Washington, p. A-60.
Villamil, T., Arango, C., Kauffman, E. and Jaramillo, C. 1994. Cyclicity in the Cretaceous Organic Rich Facies of Colombia and Its Predictive Potencial for Evaluating source-Rocks. Annual Meeting abstracts, AAPG and SEPM, v. 1994, p.277.
Jaramillo, C., and Yepes, O. 1994. Recognition of a Maximum Flooding Surface: Two examples from the Cretaceous of Colombia. Palynology 18: 249-250.