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Simon Matthews

Geochemist

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I am a postdoctoral fellow at the Institute of Earth Sciences, University of Iceland. My research combines thermodynamic modelling with geochemical observations to understand the evolution of Earth’s mantle and crust.

My Research

The Earth’s mantle exerts a major control on the evolution of the Earth’s surface and atmosphere over geological timescales. Volcanic rocks, derived from melts formed in the mantle, allow the mantle’s role in Earth’s geochemical and thermal cycles to be interrogated. My work has focussed on using a number of geochemical and geophysical proxies to constrain the amplitude and length scale of mantle heterogeneity in temperature, mineralogy and volatile chemistry.

Recent Posts

  • Iron isotopes trace primordial magma ocean cumulates melting in Earth’s upper mantle
  • Do olivine crystallization temperatures faithfully record mantle temperature variability?
  • Heavy 𝛿57Fe in ocean island basalts: A non-unique signature of processes and source lithologies in the mantle

Software

I am involved in developing open source software packages for Earth Sciences.

VESIcal– A python package for calculating magmatic volatile solubilities, saturation pressures, and degassing paths. More info here…

pyMelt– A python module for calculating the melting behaviour of lithologically heterogeneous mantle. More info here…

pyMeltApp– An easy to use interface to pyMelt, no installation required. Use it here…

Contact

email: simonm@hi.is

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