People

Elizabeth Niespolo 

Assistant Professor, Department of Geosciences, Princeton University

Associated Faculty, High Meadows Environmental Institute, Princeton University

Research Associate, Human Evolution Research Institute, University of Cape Town

Previously:

2019 - 2021: Barr Postdoctoral Fellow, California Institute of Technology

Ph.D., 2019, Earth & Planetary Science at the University of California, Berkeley

M.S., 2014, Geology at California State University, Long Beach

B.A., 2009, Astrophysics and Classics-Latin (with Honors) at the University of California, Berkeley 

Teaching:

GEO 464: Quantifying Geologic Time, Princeton U.

GEO 203: The Habitable Planet, Princeton U.

EPS 100B: Petrology, UC Berkeley

GEOL 110L: Natural Distasters, CSU Long Beach

NSF Postdoctoral Fellow in Earth Sciences, Princeton University

Ph.D. 2020, Geosciences at Princeton University 

Alliya is interested in Ca, Mg, and Sr elemental cycling and their applications to biominerals such as teeth.

Expertise: ICP-MS, non-traditional stable isotopes, paleoecological proxy records, Earth history

Dr. Francisco Apen

Presidential Postdoctoral Fellow, Department of Geosciences, Princeton University 

Co-advised with Blair Schoene

Ph.D. 2022, Earth Science at UC Santa Barbara 

Francisco is interested in deep crustal processes and high-temperature geochemistry.

Expertise: Laser ablation ICP-MS, Metamorphic petrology and geochemistry, evolution of the continental lithosphere

Dr. Marcos Salas-Saavedra

Postdoctoral Research Associate, Department of Geosciences, Princeton University

Ph.D. 2019, Geochemistry and Geochronology, at University of Queensland

Marcos is an experienced researcher specializing in environmental geochemistry and U-series geochronology, with a deep understanding of paleoclimate dynamics over geological timescales. His primary research focus revolves around the utilization of trace elements, particularly rare earth elements (REEs), as proxies found in fossil coral. By combining these elements with coral reef paleoecological assemblages, Marcos aims to unravel the influence of climate patterns on environments such as coral reefs.

 

Expertise: Environmental Geochemistry, U-series Geochronology, Coral Reefs and Paleoecological Assemblages, Microbialites 

Harry Hess Postdoctoral Fellow in Geosciences, Princeton University

Co-advised with John Higgins

Ph.D. 2022, Geology at SUNY Binghamton 

Mebrahtu is interested in documenting the major, minor, and trace element composition of seawater in the Phanerozoic and Neoproterozoic using direct measurements in fluid inclusions trapped in marine halite and to better understand what controls long-term changes in the elemental and isotopic composition of seawater on multimillion-year timescales. His studies aim to link secular oscillations in seawater chemistry with long-term variations in atmospheric CO2 and climate.

Expertise: Laser ablation ICP-MS, fluid inclusions in evaporites, paleoceanography and Earth history

Noe-Heon Kim

Ph.D. Candidate

M.S. 2022, Paleontology, Seoul National University of South Korea

B.S. 2018, Geology, Seoul National University

Noe-Heon is interested in developing novel isotopic methods for radioisotopic dating of dinosaur eggs to correlate distant sedimentary basins and study the evolution of terrestrial vertebrates in an enhanced temporal framework.

Ph.D. Student

B.A., 2021, Geology and Archaeology, University of Florida

Olivia is interested in using 230Th/U burial dating and stable isotope analysis of ostrich eggshell fragments (OES) from archaeological sites across Eastern and North Africa to track early human dispersal. In her free time, Olivia likes to run and make science communication (scicomm) videos related to her field.

Ph.D. Candidate, co-advised with Danny Sigman

B.S. 2022, Geochemistry, Nanjing University of China

Damon is interested in using nitrogen and carbon isotopes from biomineral-bound organics to reconstruct paleoenvironments.

Lauren Gilmore

Ph.D Student, co-advised with John Higgins

B.S. 2022, Geosciences, University of Arizona 

Minor in Anthropology

Lauren is interested in exploring isotope systems, primarily calcium, in teeth from a variety of organisms to investigate natural variability, the environmental effects, and to determine what we can learn about past environments from teeth.