Mai Sas, PhD

She/Her/Hers, Geochemistry Research Associate

Educational & Professional Experience:


PhD Geology - University of Auckland, 2020

MSc Geology - Western Washington University, 2015

BSc Geoscience - University of Nevada, Las Vegas, 2012

BA Anthropology - University of Nevada, Las Vegas 2012


Courses Taught (lecturer)

  • Upcoming course (Winter 2021): LA-ICP-MS in the Earth Sciences
  • Igneous and Metamorphic Petrology
  • Optical Mineralogy
  • Earth Materials
  • Guest lecturer: Rock Genesis, Mineralogy

Courses Taught (TA)

  • Petrology and Geochemistry of Igneous Systems
  • Igneous and Metamorphic Petrology
  • Geology Field Camp
  • Introductory Geology / Earth Science
  • Natural Hazards in New Zealand
  • Historical Geology
  • Physical Geology
  • Materials Science

Research Interests

Mineral Geochemistry Research Topics

  • Sub-crystal trace element compositions
  • Sub- and whole-crystal radiogenic isotopes (Sr, Pb)
  • Sub- and whole-crystal stable isotopes (d18O)

Magma Petrogenesis and Processes Research Topics

  • Dominant processes during crystal growth
  • Temporal and spatial isotopic source fluctuations
  • Identification of slab, mantle and crustal contributions to magmatic systems
  • Which processes lead to catastrophic eruptions
  • Origin of high-Mg lavas
  • Is mantle heterogeneity leading to observed compositional differences in mafic lavas