28 Recent Advances in the Gulf of California Oblique Rift: Offshore and Onshore Studies // Avances Recientes en el Rift Oblicuo del Golfo de California: Estudios Marinos y Terrestres (Part I)

This session highlights recent research on the Gulf of California–Salton Trough plate boundary from ~12 Ma to today. We welcome terrestrial and marine studies involving tectonics, basin analysis, volcanology, sedimentology, and more. English or Spanish.

Thursday, 23 April 2026
1:30 PM - 5:30 PM
LMH, Fiesta Terrace Salon

Participants

• Chair Adriana Piña
• Chair Scott Bennett
• Chair Florian Neumann
• Chair Ivan Peña-Villa
• Chair Karina Fuentes-Bustillos

Presentations

• 1:40 PM
  Rifting and Magmatism Within the Gulf of California
  Daniel Lizarralde, Woods Hole Oceanographic Institution, Woods Hole, MA
  410833 (Technical Sessions)
• 2:10 PM
  Petro-tectonic evolution along the eastern margin of the Gulf of California in Sonora: Linking magmatic plumbing systems and oblique rift tectonics
  Jesus VIDAL-SOLANO, Universidad de Sonora, HERMOSILLO, Sonora and Luis Velderrain-Rojas, Universidad de Sonora, Hermosillo, Sonora and Alejandra Gomez-Valencia, Universidad de Sonora, Hermosillo, Sonora and Adriana Piña, CalTech University, Pasadena, CA and Joann Stock, California Institute of Technology, Pasadena, CA and Francisco Paz-Moreno, Universidad de Sonora, Departamento de Geología, Hermosillo, Sonora
  411058 (Technical Sessions)
• 2:30 PM
  Middle Miocene microfossils in the Gulf of California - original or reworked?
  Javier Helenes, CICESE, Ensenada, Baja California and Ana Luisa Carreño, UNAM, Mexico
  410815 (Technical Sessions)
• 2:50 PM
  Fault and Fissure Scaling at the Alarcón Rise: Tectonic Extension, Lithospheric Flexure, and Magmatic Controls in the Gulf of California Rift
  Luis Vega-Ramirez, Universidad Autónoma de Baja California, Ensenada, Baja California and Ronald Spelz-Madero, Universidad Autónoma de Baja California, Ensenada, Baja California and Juan Contreras-Pérez, Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Baja California
  410835 (Technical Sessions)
• 3:10 PM
  Detachment-Controlled Continental Rupture and Multiple Phases of Seafloor Spreading in the Pescadero Basin Complex, Southern Gulf of California
  John Fletcher, Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, Enseada, Baja California and Nestor Ramirez-Zerpa, Universidad Autónoma de Baja California, Ensenada, Baja California and Robert Zierenberg, University of California Davis, Davis, CA and Juan Contreras, Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, Ensenada, Baja California and Antonio González-Fernández, Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, Ensenada, Baja California and Ronald Spelz, Universidad Autónoma de Baja California, Ensenada, Baja California and Ismael Yarbuh, Universidad Autónoma de Baja California, Ensenada, Baja California and David Clague, Monterey Bay Aquarium Research Institute, Moss Landing, California and Raquel Negrete-Aranda, Centro de Investigación Científica y de Educación Superior de Ensenada, Baja California, Ensenada, Baja California and Brian Cousens, Department of Earth Sciences, Carleton University, Ottawa, Ontario and Jennifer Paduan, Monterey Bay Aquarium Research Institute, Moss Landing, CA and Florian Neumann, German Research Centre for Geosciences, Potsdam and David Caress, Monterey Bay Aquarium Research Institute, Moss Landing, CA
  410986 (Technical Sessions)
• 3:50 PM
  Geological Evolution of the San Ramón Sub-Basin, Eastern Margin of the San José del Cabo Basin, Southern Baja California Peninsula
  Tobias Schwennicke, Universidad Autónoma de Baja California Sur, La Paz, Baja California Sur and Elvia Plata Hernández, Universidad Autónoma de Baja California Sur, La Paz, Baja California Sur and Daniel Cota Ramírez, Universidad Autónoma de Baja California Sur, La Paz, Baja California Sur and Michel Walde, Universität Basel, Basel and Emily Picos Peraza, Universidad Autónoma de Baja California Sur, La Paz, Baja California Sur
  411053 (Technical Sessions)
• 4:10 PM
  Pliocene-Quaternary Evolution of Faults and Topography in the Loreto Area, Baja California Sur – 1: Geology and Geochronology
  Michael Darin, University of Oregon, Eugene, Oregon and Scott Bennett, United States Geological Survey, Portland, OR and Rebecca Dorsey, University of Oregon, Eugene, OR
  410943 (Technical Sessions)
• 4:30 PM
  Pliocene-Quaternary Evolution of Faults and Topography in the Loreto Area, Baja California Sur – 2: Stratigraphy and Geomorphology
  Rebecca Dorsey, University of Oregon, Eugene, OR and Michael Darin, University of Oregon, Eugene, OR and Scott Bennett, United States Geological Survey, Portland, OR
  410862 (Technical Sessions)
• 4:50 PM
  Diversidad magmática en el Norte del Proto-Golfo de California y su interacción con una ¿posible incursión marina a 10Ma?
  Alejandra Gómez Valencia, Universidad de Sonora, Hermosillo, Sonora and Jesús Vidal Solano, Universidad de Sonora, Hermosillo, Sonora and Domingo Gimeno Torrente, Universidad de Barcelona, Barcelona, Barcelona and Luis Velderrain Rojas, Universidad de Sonora, Hermosillo, Sonora and Rufino Lozano SantaCruz, Universidad Nacional Autónoma de México, Ciudad de México, México and Ricardo Vega Granillo, Universidad de Sonora, Hermosillo, Sonora
  411017 (Technical Sessions)
• 5:10 PM
  How Do Mass-Transport Deposits in the Guaymas Basin Influence Axial Graben Relocation?
  Adriana Piña, Caltech, Pasadena, CA and Joann Stock, Caltech, Pasadena, CA and Daniel Lizarralde, WHOI, Woods Hole, Massachusetts and Samuel Hart, CSUN, Northridge, CA and Kathleen Marsaglia, California State Univ Northridge, Dept Geological Sciences, Northridge, CA and Cristian Gallegos-Castillo, CICESE, Ensenada, Baja California and Christian Berndt, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel and Antonio González-Fernández, CICESE, Ensenada, Baja California and Carlos Mortera-Gutiérrez, Universidad Nacional Autónoma de México, Coyoacan and Arturo Martín, CICESE, Ensenada, Baja California
  410739 (Technical Sessions)