Session: Proxy and Model Records of Cenozoic Climates in South America (GSA Connects 2024 Meeting in Anaheim, California)

Paper #

Start Time

1:30 PM

Introductory Remarks

63-1

1:35 PM

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

HYLAND, Ethan¹, JACKSON, Kay², GRIFFITH, Emily², MAITY, Arnab², BURGENER, Landon³, COTTON, Jennifer M.⁴, GHOSH, Adit, PhD Candidate, USC⁵, LITTLETON, Shelby⁶, AZMI, Iffat⁷, RAIGEMBORN, Maria Sol⁸ and TINEO, David⁸, (1)Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (2)Department of Statistics, North Carolina State University, Raleigh, NC 27695, (3)Geological Sciences, Brigham Young University, Provo, UT 84602, (4)Geological Sciences, California State University, Northridge, Northridge, CA 91330, (5)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089, (6)Geological Sciences, California State University, Northridge, 18111 Nordhoff St, Northridge, CA 91330, (7)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (8)Centro de Investigaciones Geológicas and Facultad de Ciencias Naturales y Museo, CONICET and Universidad Nacional de La Plata, La Plata, C1925, Argentina

Recorded Presentation

63-2

1:50 PM

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

HORVATH, Oceane¹, SHEKUT, Samuel J.¹ and SAYLOR, Joel E.², (1)Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, (2)Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada

Recorded Presentation

63-3

2:05 PM

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

FENNELL, Lucas, Instituto de Estudios Andinos, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina, BRANDON, Mark, Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06520 and HREN, Michael T., Earth Sciences, University of Connecticut, 207 Beach Hall, 354 Mansfield Road, Unit 1045, Storrs, CT 06269

63-4

2:20 PM

THE FORELAND BASIN RECORD OF CENOZOIC CLIMATE FROM THE CENTRAL ANDES (Invited Presentation)

CARRAPA, Barbara¹, DECELLES, Peter G.¹, GEORGE, Sarah², CLEMENTZ, Mark³, JEPSON, Gilby⁴, FENG, Ran⁵, NADOYA, Hamida⁶, TABOR, Clay⁶, RONEMUS, Chance¹, HOWLETT, Caden¹, SCHOENBOHM, Lindsay⁷, STEVENS GODDARD, Andrea⁸ and ALONSO, Ricardo⁹, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)School of Geosciences, University of Oklahoma, Norman, OK 73019, (3)Geology & Geophysics, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82071, (4)Department of Geosciences, University of Oklahoma, Norman, OK 73019, (5)Department of Geosciences, University of Connecticut, 354 Mansfield Road, Unit 1045, Storrs, CT 06269, (6)Department of Geosciences, University of Connecticut, 354 Mansfield Rd Unit 1045, Storrs, CT 06269-1045, (7)Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada, (8)Department of Earth and Atmospheric Sciences, Indiana University, Glassboro, IN 08028, (9)Facultad de Ciencias Naturales, Universidad Nacional de Salta, Salta, Salta, Argentina

Recorded Presentation

2:40 PM

Break

63-5

2:55 PM

USING PALEOSOLS OF PATAGONIA TO RECONSTRUCT MID-CRETACEOUS TO EARLY PALEOGENE CLIMATES (Invited Presentation)

RAIGEMBORN, M. Sol¹, VARELA, Augusto N.², LIZZOLI, Sabrina¹, HYLAND, Ethan³ and COTTON, Jennifer M.⁴, (1)Centro de Investigaciones Geologicas, CONICET - UNLP, Diagonal 113 n 275, La Plata, Buenos Aires B1904DPK, Argentina; Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, La Plata 1900, Argentina, (2)Y-TEC, YPF Tecnología, Av. Del Petroleo s/n, Berisso, 1923, Argentina; Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, La Plata 1900, Argentina, (3)Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (4)Geological Sciences, California State University, Northridge, Northridge, CA 91330

Recorded Presentation

63-6

3:15 PM

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

KELLIS, Ryan¹, COTTON, Jennifer², HYLAND, Ethan G.³, HAUSWIRTH, Scott C.⁴, AZMI, Iffat³, LITTLETON, Shelby², RAIGEMBORN, Maria Sol⁵, TINEO, David⁵ and INSEL, Nadja⁶, (1)Geological Sciences, California State University, Northridge, 18111 Nordhoff st, Northridge, CA 91330, (2)Geological Sciences, California State University, Northridge, 18111 Nordhoff St, Northridge, CA 91330, (3)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (4)Geological Sciences, California State University - Northridge, Geological Sciences - 8266, 18111 Nordhoff St, Northridge, CA 91330, (5)Centro de Investigaciones Geológicas and Facultad de Ciencias Naturales y Museo, CONICET and Universidad Nacional de La Plata, La Plata, C1925, Argentina, (6)Earth Science, Northeastern Illinois University, Chicago, IL 60625

Recorded Presentation

63-7

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

BESKET, Mikayla¹, COTTON, Jennifer M.¹, HYLAND, Ethan G.², AZMI, Iffat², KELLIS, Ryan¹, INSEL, Nadja³, RAIGEMBORN, Maria Sol⁴ and TINEO, David⁴, (1)Geological Sciences, California State University, Northridge, 18111 Nordhoff st, Northridge, CA 91330, (2)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (3)Department of Earth Sciences, Northeastern Illinois University, Chicago, IL 60625, (4)Centro de Investigaciones Geológicas and Facultad de Ciencias Naturales y Museo, CONICET and Universidad Nacional de La Plata, La Plata, C1925, Argentina

63-8

3:45 PM

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

AZMI, Iffat¹, HYLAND, Ethan G.¹, KELLIS, Ryan² and COTTON, Jennifer M.², (1)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (2)Geological Sciences, California State University, Northridge, 18111 Nordhoff st, Northridge, CA 91330

Recorded Presentation

63-9

4:00 PM

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

INSEL, Nadja¹, AZMI, Iffat², HYLAND, Ethan G.² and COTTON, Jennifer M.³, (1)Earth Science, Northeastern Illinois University, Chicago, IL 60625, (2)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (3)Geological Sciences, California State University, Northridge, 18111 Nordhoff st, Northridge, CA 91330

63-10

4:15 PM

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

COTTON, Jennifer¹, HYLAND, Ethan G.², AZMI, Iffat², GHOSH, Adit, PhD Candidate, USC³, HAUSWIRTH, Scott C.⁴, LITTLETON, Shelby¹, INSEL, Nadja⁵, RAIGEMBORN, Maria Sol⁶ and TINEO, David⁶, (1)Geological Sciences, California State University, Northridge, 18111 Nordhoff St, Northridge, CA 91330, (2)Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695, (3)Department of Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089, (4)Geological Sciences, California State University - Northridge, Geological Sciences - 8266, 18111 Nordhoff St, Northridge, CA 91330, (5)Earth Science, Northeastern Illinois University, Chicago, IL 60625, (6)Centro de Investigaciones Geológicas and Facultad de Ciencias Naturales y Museo, CONICET and Universidad Nacional de La Plata, La Plata, C1925, Argentina

4:30 PM

Discussion

GSA Connects 2024 Meeting in Anaheim, California

T115. Proxy and Model Records of Cenozoic Climates in South America