Geosciences Colloquium Series: 2023-2024

This year's colloquium series will consist of a mixture of researchers across the University of Arizona along with visiting scientists as well! The colloquium series will be conducted in the Gould-Simpson “Fishbowl” (2nd floor) from 4-5PM on Thursdays. There will be a Zoom option as well to tune in:

Schedule is subject to change.

Organized by Kaustubh ThirumalaiMauricio Ibañez-Mejia, and Jonny Wu.

Geosciences Colloquium Series 2023-2024

Fall 2024




August 26, 2024

TBD (NOTE: This talk will be located in Koffler 204)


September 5, 2024 Esteban Gazel (Cornell University)  
September 12, 2024 Lowell Chair Candidate  
September 19, 2024 Lowell Chair Candidate  
September 26, 2024 **No Talk Due to GSA***  
October 3, 2024 Lowell Chair Candidate  
October 10, 2024 Lowell Chair Candidate  
October 17, 2024 Lowell Chair Candidate  
October 24, 2024 TBD  
October 31, 2024 TBD  
November 7, 2024 Dustin Schroeder (Associate Professor of Geophysics, Stanford University) TBD
November 14, 2024 Megan Mueller (Postdoc, University of Arizona Geosciences) TBD
November 21, 2024 TBD  
November 28, 2024 ***No Talk, Thanksgiving Break***  
December 5, 2024 Robert Stern (Professor of Geosciences, UT Dallas)                                                               TBD

Spring 2024




January 11, 2024

Dr. Peter DeCelles (Professor, Tectonics, Stratigraphy and Sedimentology)

Why the Central Andes are Bigger than the Himalaya

January 18, 2024

Dr. Jordan Abell (Geosciences Postdoctoral Research Associate)

How space dust can rock our understanding of past climates: A Pliocene story of North Pacific productivity, dustiness, and iron fertilization.

January 25, 2024 No Talk  
February 1, 2024 Dr. Marc Hirschmann (Professor, Department of Earth and Environmental Science, University of Minnesota) The Deep Earth Oxygen Cycle
February 8, 2024 Alan Juarez-Zuniga (Postdoctoral Research Associate, University of Arizona Department of Geosciences) Elucidating the Interaction Between Aquifers and Faults from Geophysical Datasets
February 15, 2024 Alicia Cruz-Uribe (Edward Sturgis Grew Associate Professor of Mineralogy and Petrology, School of Earth and Climate Sciences, The University of Maine) Prospects and challenges for in situ beta decay geochronology
February 22, 2024 Dr. Jeremy Tsung-Jui Wu (Postdoctoral Researcher, Department of Geological Sciences and Engineering, University of Nevada, Reno)

Subduction Velocity Control on Arc Magmatism along Western Pacific Convergent margins.

February 29, 2024 Dr. Ari Matmon (Professor, Head of the Earth Science Institute, Hebrew University)

A new look at an old landscape: The chronology of the Kalahari Group sediments

March 7, 2024 SPRING BREAK  
March 14, 2024 No Talk  
March 21, 2024 GeoDaze - No Speaker  
March 28, 2024 Dr. John Douglass (Paradise Valley Community College) Discovery of beach sand, beachrock, and capping tufa on Balakai Mesa: Implications for the Bidahochi Formation and the overflow origin of the Grand Canyon
April 4, 2024    
April 11, 2024 Harriet Lau (Assistant Professor, Department of Earth, Environmental & Planetary Sciences, Brown University) Evolving Solid Earth Dynamics across the Mid Pleistocene Transition
April 18, 2024 Ryan Venturelli (Assistant Professor, Geology and Geological Engineering, Colorado School of Mines)

Retreat, Recovery, and Subglacial Radiocarbon: Untangling past [in]stability of the West Antarctic Ice Sheet

April 25, 2024   TBD
May 1, 2024   TBD

Fall 2023




August 24, 2023 

Dr. George H. Davis (Regents' Professor Emeritus, Geosciences)

"The Geological home of Zeus on Mt. Lykaion, Greece, and the Vibes He Brought to the Montaintop"

August 31, 2023
Dr. Frankie Pavia  (Stanback Postdoctoral Scholar, CalTech)


September 7, 2023 C2C Showcase (Kaustubh Thirumalai, Assistant Professor, Geosciences & Andrew Cohen, Professor, Geosciences) Clouds 2 Core Discussion: NSF-REU at UA GEOS - lessons from 2023 and looking ahead for 2024
September 14, 2023 Dr. Paul Asimow (Eleanor and John R. McMillan Professor of Geology and Geochemistry, CalTech) "Compositional variation within granitoid plutons — what does it mean?"
September 21, 2023
Seminar - Dr. Elias Bloch (Researcher/Scientist, University of Arizona Lunar & Planetary Laboratory) "Multispecies diffusion in garnet and zircon and implications for applications of diffusion data to natural systems"
September 28, 2023
Dr. Madeline Lewis (Assistant Professor, University of Wyoming) "To erupt or not to erupt: Evolution of magma storage conditions before and after caldera-forming eruptions"
October 5, 2023

Dr. Samantha Bova (Assistant Professor, San Diego State University)

"Common modes of western Pacific hydroclimate variability across the last two interglacials"

October 12, 2023 Dr. Laura Kerber (Research Scientist, Jet Propulsion Lab, California Institute of Technology)

"Lavas on the Moon: Insights, Challenges, and Opportunities for Future Exploration"

October 19, 2023

*** No Colloquium (GSA) ***

October 26, 2023 Dr. Andrés Echaurren (Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales)

"Orogenic growth and magmatic arc flareup during the Cretaceous evolution of the North Patagonian Andes"

November 2, 2023 *** No Colloquium ***


November 9, 2023 Dr. Sean Gulick (Research Professor, University of Texas at Austin)

"Life and Death by Impact: Drilling for Clues"

November 16, 2023 Alan Rooney (Assistant Professor of Earth and Planetary Sciences, Yale University)


November 23, 2023 *** Thanksgiving Holiday  ***


November 30, 2023 Dr. Aaron Velasco (Professor, UTEP)

"Using collective impact to change how we conduct geoscience and broaden participation"

December 1, 2023 Seismology Brown Bag Talk The 2017 Mw 8.2 Tehuantepec, Mexico earthquake: Using Machine Learning and a RAPID network to enlighten the rupture characteristics.
December 6, 2023 Dr. Prosenjit Ghosh (Professor, Indian Institute of Science) Chasing the thermal state of the Indian Ocean during theMiocene using carbonate-clumped isotope thermometry
December 7, 2023 *** Reading Day ***