James Day
Associate Professor
Geosciences Research Division

James Day is an Associate Professor in the Geosciences Research Division at Scripps Institution of Oceanography, UC San Diego. He joined Scripps in 2011. James is the Director of the Scripps Isotope Geochemistry Laboratory which houses state-of-the-art thermal ionization and inductively coupled plasma mass spectrometers.

James is a geologist and geochemist whose research focuses on volcanism and what the mineralogy and composition of rocks can tell about how the planets formed and evolved to their present-day states. He studies asteroids and products formed in the mantle of Mars, the Earth, and the Moon. James also studies terrestrial basaltic volcanism to further understand crust formation processes and the role of volcanism on Earth system cycles.

He received his B.Sc. with First Class honours from the University of Durham in the United Kingdom, and his Ph.D. in Earth sciences from the University of Durham. He was a Postdoctoral Fellow at the University of Tennessee, Planetary Geosciences Institute, and a Postdoctoral Fellow and then subsequently a Research Scientist at the University of Maryland, Department of Geology.

James was a field participant in the search for meteorites in the Grosvenor Mountains of Antarctica, and was awarded the U.S. Antarctic Medal for his accomplishments there. He is the 2013 recipient of the Houtermans Award from the European Association of Geochemistry and the 2014 recipient of the Nier Prize from the Meteoritical Society.

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