Jon Blundy

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Jon Blundy
Born Jonathan David Blundy
(1961-08-07) 7 August 1961 (age 55)
Fields Petrology
Alma mater
Thesis The geology of the Southern Adamello Massif, Italy (1989)
Academic advisors Robert Stephen John Sparks
Notable awards

Jonathan David Blundy FRS (born 7 August 1961) is Professor of Petrology in the Department of Earth Sciences at the University of Bristol.[1][2][3][4][5]


He is a graduate of University College, Oxford (B.A., 1980) and Trinity Hall, Cambridge, (PhD, 1989) and a former Kennedy Scholar at the Massachusetts Institute of Technology (1985). He was educated at St Paul's School, Brazil, Giggleswick School and Leeds Grammar School, where petrologists Keith Cox and Lawrence Wager also studied.


Blundy is most noted for advancing the understanding of how magmas are generated in the Earth's crust and mantle and of the processes that occur in volcanoes before they erupt. He undertook his PhD research at the University of Cambridge under the supervision of Professor Robert Stephen John Sparks on the granites of Adamello-Presanella in the Italian Alps. In series of seminal papers with Professor Bernard John Wood in the 1990s Blundy developed a theory of elastic strain to describe the uptake of trace elements into the crystal lattices of igneous minerals. The theory was based on high temperature and pressure experiments on molten rocks, and is now widely used to predict crystal-melt partition coefficients for use in modelling magmatic processes.

Blundy subsequently collaborated with Katharine Cashman at the University of Oregon on Mount St. Helens volcano in the Cascade Range of northwestern USA. Blundy and Cashman demonstrated the importance of degassing in driving the crystallisation of volatile-bearing magmas, a process that can occur without any attendant cooling. In fact, because of the release of latent heat of fusion, magmas that crystallise by decompression can actually get hotter in the process.[citation needed]

Awards and honours[edit]

Blundy is a recipient of the F.W. Clarke Medal of the Geochemical Society (1997), and Murchison Fund (1998) and the Bigsby Medal of the Geological Society of London (2005). He was a Fulbright Scholar at University of Oregon in 1998, Guest Professor at Nagoya University in 2007 and elected as a Fellow of the Royal Society (FRS) in 2008. His nomination reads:

Blundy was also awarded the Royal Society Wolfson Research Merit Award in 2011.[7]

Personal life[edit]

In 1992, Blundy married Katharine Fawcett (rn1963), from whom he has been separated since 2004. He has a daughter, Lilian (born 1997), a son, Stanley (born 1994) and a step-daughter, Jennifer (born 1989).[citation needed]


  1. ^ New Fellow of the Royal Society, Jon Blundy, Professor of Petrology, University of Bristol
  2. ^ Blundy, J. D.; Holland, T. J. B. (1990). "Calcic amphibole equilibria and a new amphibole-plagioclase geothermometer". Contributions to Mineralogy and Petrology. 104 (2): 208. doi:10.1007/BF00306444. 
  3. ^ Holland, T.; Blundy, J. (1994). "Non-ideal interactions in calcic amphiboles and their bearing on amphibole-plagioclase thermometry". Contributions to Mineralogy and Petrology. 116 (4): 433. doi:10.1007/BF00310910. 
  4. ^ Scientists move closer to predicting volcano hazard,
  5. ^ Blundy, J.; Wood, B. (1994). "Prediction of crystal–melt partition coefficients from elastic moduli". Nature. 372 (6505): 452. doi:10.1038/372452a0. 
  6. ^ "EC/2008/07: Blundy, Jonathan David". London: The Royal Society. Archived from the original on 2014-10-19. 
  7. ^