PROMOTING SCIENCE AND TECHNOLOGY BETWEEN INDIA AND THE U.S.

John Eiler

Eiler_John_Caltech.jpg

Research Area

Earth Sciences, Mathematics

Institution

Research interests: The isotope geochemistry of light elements (H, C, N, O and S), as applied to: the origin and evolution of igneous rocks; the origin and evolution of meteorites; planetary atmospheres; atmospheric and environmental chemistry; paleoclimate; and paleontology.
Some current projects:

– We are studying the mantle H cycle through hydrogen isotope analyses of nominally anhydrous minerals in mantle xenoliths and of glasses and minerals in mantle-derived lavas.

-Basaltic lavas are the most widespread (if indirect) samples of the chemistry of the Earth’s mantle. We have a range of projects involving uses of the isotopic composition of oxygen as a monitor of the presence and abundance of crustal materials (both subducted and from the existing lithosphere) as components to the sources of basaltic lavas.

-Understand the atmospheric budget of CO2 and the mechanisms of its production and consumption in model systems.

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