[ TFF 2025 Cuba ]

Schedule of session "Geology and Geodynamic Evolution of Cuba and the Caribbean" in Geosciences 25, Havana.

The session will take place on Thursday 10, 2025 at room 3, convened by A. Garcia-Casco and Y. Rojas-Agramonte.

This session is dedicated to John Lewis, influential scholar of Caribbean geology and good friend, who passed away on March 27, 2025. >> Dedicated texts and photos.

09:00. Fast and slow exhumation of the caribbean subduction channel: Implications for subduction dynamics. Antonio Garcia-Casco* (Universidad de Granada), Idael F. Blanco-Quintero, Aratz Beranoaguirre, Jose Ignacio Gil Ibarguchi , Yamirka Rojas-Agramonte , Joaquín A. Proenza.

09:20. Multiple fluid-rock interaction events in the subduction channel evidenced by jadeitites from the Sierra del Convento high-pressure serpentinite melange. Samuel Angiboust* (LGL-TPE, École Normale Supérieure de Lyon), Clothilde Minnaert, Clement Herviou, Aitor Cambeses, Johannes Glodny, Juan Cardenas-Parraga, Kenya Núñez-Cambra, Antonio Garcia-Casco.

09:40. Consequences of ridge subduction for the evolution in the Greater Antilles arc. Yamirka Rojas-Agramonte* (Heidelberg University), Nicolas Riel, Boris Kaus, Antonio Garcia-Casco.

10:00. 60 million years of intra-oceanic island arc construction: Insights from central Cuba. Haoyu Hu* (Heidelberg University), Yamirka Rojas-Agramonte, Dora E. García-Delgado, Romain Bousquet, Manuel Iturralde-Vinent, Antonio García-Casco.

10:20. Every intrusion has its time: New zircon u-pb ages from the Greater Antilles arc in the Cordillera Central, Dominican Republic. Birk P. Härtel, Oliver Frei, Mandy Zieger-Hofmann* (Senckenberg Natural History Collections Dresden), Klaus P. Stanek.

10:40. Petrology and geochemistry of mantle peridotites from the Camagüey ophiolitic massif, Cuba. Núria Pujol-Solà* (Universidad de Granada), Montgarri Castillo-Oliver, Joaquín A. Proenza, Irene Novo-Fernández, Diego Domínguez-Carretero, Cristina Villanova-de-Benavent, Kenya Núñez-Cambra, Enrique Piñero-Pérez, Antonio Garcia-Casco.

11:00. Cuban ophiolitic chromitites record the evolution of the early Cretaceous Caribbean fore-arc. Diego Domínguez-Carretero, Joaquín A. Proenza, Núria Pujol-Solà* (Universidad de Granada), Fernando Gervilla, Cristina Villanova-de-Benavent, Kenya Núñez-Cambra, Enrique Piñero-Pérez, Antonio Garcia-Casco.

11:20. Purial Complex: A possible example of subduction erosion in a volcanic arc setting. Idael Francisco Blanco-Quintero* (Universidad de Alicante), Joaquín Antonio Proenza, Yamirka Rojas-Agramonte, Samuel Angiboust, Kenya Núñez-Cambra, Antonio Garcia-Casco.

11:40. An assessment of geotectonic concepts applied to Cuba: From geosynclines to mantle tectonics. Manuel Iturralde-Vinent (Academia de Ciencias de Cuba).

12:00. Break.

12:20. Seismotectonic of the northern Caribbean plate boundary from GNSS measurements in Cuba and surroundings. Eric Calais (École Normale Supérieure, Paris).

12:40. New heat flow data in offshore Cuba, Haiti and Jamaica. Jeffrey Poort* (Sorbonne Université, Institut des Sciences de la Terre de Paris, ISTeP), Fréderique Rolandone, Sylvie Leroy, Walter Roest, Chastity Aiken, Frauke Klingelhoefer, Boris Marcaillou.

13:00. Opening and closure of oceanic basins in a long lived active continental margin as a contrasted scenario to long lived oceanic margins like the Caribbean: The ophiolites from the allochthonous complexes of Galicia (NW Iberian Massif). Sonia Sánchez Martínez* (Universidad Complutense de Madrid), Ricardo Arenas, Javier Fernández-Suárez, Pilar Andonaegui, Gabriel Iglesias Ruíz, Antonio García Casco.

13:20. Probing secular changes in Mid-Ocean Ridge hydrothermal alteration using Sr isotopes through two paleoproterozoic ophiolite profiles. Amanda L. Bednarick* (California Institute of Technology), Claire E. Bucholz, C. Page Chamberlain, John N. Christensen, Donald J. DePaolo, Marc R. St. Onge, Daniel A. Stolper.

13:40. Detrital zircon grains and their isotopic signature as tracers in dynamic reconstructions. Esther Rojo-Pérez* (Senckenberg Natural History Collections Dresden), J. Fernández-Suárez, S. Sánchez Martínez, R. Arenas.

Poster

Following the guidelines given by the organizing committee, the poster (89 cm width x 120 cm height) will be presented digitally on the screen of the session room 3 after finishing the session. Posters in Geoscience 2025 must not be printed and fixed on walls/panels.

Long-term evolution of a plate boundary. Insights from the eastern Cuba block and the northern Haitian margin. Sylvie Leroy* (CNRS Sorbonne Universite - ISTeP), Alana Oliveira de Sà , Elia d’Acremont , Sara Lafuerza, Bladimir Moreno, Jose-Luis Granja-Bruñ, D. Boisson, R. Momplaisir, J. Corbeau.

[ TFF 2025 Cuba ]