Geological Society of America

1:35 PM

IMPROVING PALEOCLIMATE PREDICTIONS FROM PALEOSOL GEOCHEMISTRY: A CASE STUDY FROM THE MIOCENE OF ARGENTINA

Ethan Hyland, North Carolina State University, Raleigh, NC and Maria Sol Raigemborn, CONICET and Universidad Nacional de La Plata, La Plata and David Tineo, CONICET and Universidad Nacional de La Plata, La Plata and Kay Jackson, North Carolina State University, Raleigh, NC and Emily Griffith, North Carolina State University, Raleigh, NC and Arnab Maity, North Carolina State University, Raleigh, NC and Landon Burgener, Brigham Young University, Provo, UT and Jennifer M. Cotton, California State University, Northridge, Northridge, CA and Adit Ghosh, University of Southern California, Los Angeles, CA and Shelby Littleton, California State University, Northridge, Northridge, CA and Iffat Azmi, North Carolina State University, Raleigh, NC

402780 (Technical Sessions)

1:50 PM

ENABLING FIELD-BASED PALEOCLIMATE CHARACTERIZATION VIA LASER-INDUCED BREAKDOWN SPECTROSCOPY (LIBS) COUPLED WITH MACHINE LEARNING ALGORITHMS

Oceane Horvath, University of British Columbia, Vancouver, BC and Samuel J. Shekut, University of British Columbia, Vancouver, BC and Joel E. Saylor, University of British Columbia, Vancouver, BC

404368 (Technical Sessions)

2:05 PM

NEW PERSPECTIVES ON THE TECTONIC AND PALEOTOPOGRAPHIC EVOLUTION OF THE SOUTHERN CENTRAL ANDES

Lucas Fennell, Universidad de Buenos Aires-CONICET, Buenos Aires and Mark Brandon, Yale University, New Haven, CT and Michael T. Hren, University of Connecticut, Storrs, CT

402668 (Technical Sessions)

2:20 PM

THE FORELAND BASIN RECORD OF CENOZOIC CLIMATE FROM THE CENTRAL ANDES

Barbara Carrapa, University of Arizona, Tucson, AZ and Caden Howlett, University of Arizona, Tucson, AZ and Lindsay Schoenbohm, University of Toronto Mississauga, Mississauga, ON and Andrea Stevens Goddard, Indiana University, Glassboro, IN and Ricardo Alonso, Universidad Nacional de Salta, Salta, Salta and Peter G. DeCelles, University of Arizona, Tucson, AZ and Sarah George, University of Oklahoma, Norman, OK and Mark Clementz, University of Wyoming, Laramie, WY and Gilby Jepson, University of Oklahoma, Norman, OK and Ran Feng, University of Connecticut, Storrs, CT and Hamida Nadoya, University of Connecticut, Storrs, CT and Clay Tabor, University of Connecticut, Storrs, CT and Chance Ronemus, University of Arizona, Tucson, AZ

401403 (Technical Sessions)

2:55 PM

USING PALEOSOLS OF PATAGONIA TO RECONSTRUCT MID-CRETACEOUS TO EARLY PALEOGENE CLIMATES

M. Sol Raigemborn, CONICET - UNLP, La Plata, Buenos Aires and M. Sol Raigemborn, Universidad Nacional de La Plata, La Plata, La Plata and Augusto N. Varela, YPF Tecnología, Berisso and Augusto N. Varela, Universidad Nacional de La Plata, La Plata, La Plata and Sabrina Lizzoli, CONICET - UNLP, La Plata, Buenos Aires and Sabrina Lizzoli, Universidad Nacional de La Plata, La Plata, La Plata and Ethan Hyland, North Carolina State University, Raleigh, NC and Jennifer M. Cotton, California State University, Northridge, Northridge, CA

402018 (Technical Sessions)

3:15 PM

USING BIOMARKERS TO DETERMINE THE IMPACTS OF FIRE FREQUENCY ON LATE MIOCENE C4 GRASS EXPANSION IN CENTRAL ARGENTINA

Ryan Kellis, California State University, Northridge, Northridge, CA and Jennifer Cotton, California State University, Northridge, Northridge, CA and Ethan G. Hyland, North Carolina State University, Raleigh, NC and Scott C. Hauswirth, California State University - Northridge, Northridge, CA and Iffat Azmi, North Carolina State University, Raleigh, NC and Shelby Littleton, California State University, Northridge, Northridge, CA and Maria Sol Raigemborn, CONICET and Universidad Nacional de La Plata, La Plata and David Tineo, CONICET and Universidad Nacional de La Plata, La Plata and Nadja Insel, Northeastern Illinois University, Chicago, IL

404158 (Technical Sessions)

3:30 PM

USING CARBON ISOTOPES IN PALEOSOLS TO CONSTRAIN THE LATE MIOCENE EXPANSION OF C4 GRASSES IN TUCUMÁN AND LA RIOJA PROVINCES, NORTHWESTERN ARGENTINA

Mikayla Besket, California State University, Northridge, Northridge, CA and Jennifer M. Cotton, California State University, Northridge, Northridge, CA and Ethan G. Hyland, North Carolina State University, Raleigh, NC and Iffat Azmi, North Carolina State University, Raleigh, NC and Ryan Kellis, California State University, Northridge, Northridge, CA and Nadja Insel, Northeastern Illinois University, Chicago, IL and Maria Sol Raigemborn, CONICET and Universidad Nacional de La Plata, La Plata and David Tineo, CONICET and Universidad Nacional de La Plata, La Plata

403702 (Technical Sessions)

3:45 PM

A COMPARATIVE STUDY OF LATE MIOCENE-PLIOCENE PALEOENVIRONMENTAL CONDITIONS IN NW ARGENTINA: INSIGHTS FROM PALEOSOL PROXIES

Iffat Azmi, North Carolina State University, Raleigh, NC and Ethan G. Hyland, North Carolina State University, Raleigh, NC and Ryan Kellis, California State University, Northridge, Northridge, CA and Jennifer M. Cotton, California State University, Northridge, Northridge, CA

402628 (Technical Sessions)

4:00 PM

LATE MIOCENE CLIMATE VARIABILITY AND C4 GRASS DYNAMICS IN SOUTH AMERICA: INSIGHTS FROM CLIMATE SIMULATIONS AND PALEOCLIMATE RECONSTRUCTIONS

Nadja Insel, Northeastern Illinois University, Chicago, IL and Iffat Azmi, North Carolina State University, Raleigh, NC and Ethan G. Hyland, North Carolina State University, Raleigh, NC and Jennifer M. Cotton, California State University, Northridge, Northridge, CA

402224 (Technical Sessions)

4:15 PM

THE RISE OF C4 GRASSES IN SOUTH AMERICA: LINKING GRASSLAND TRANSITION TO THE SOUTH AMERICAN SUMMER MONSOON

Jennifer Cotton, California State University, Northridge, Northridge, CA and Ethan G. Hyland, North Carolina State University, Raleigh, NC and Iffat Azmi, North Carolina State University, Raleigh, NC and Adit Ghosh, University of Southern California, Los Angeles, CA and Scott C. Hauswirth, California State University - Northridge, Northridge, CA and Shelby Littleton, California State University, Northridge, Northridge, CA and Nadja Insel, Northeastern Illinois University, Chicago, IL and Maria Sol Raigemborn, CONICET and Universidad Nacional de La Plata, La Plata and David Tineo, CONICET and Universidad Nacional de La Plata, La Plata

403690 (Technical Sessions)

T63 Proxy and Model Records of Cenozoic Climates in South America

Presentations