TUFFEN, HUGH. Curriculum Vitae

November 2004-
Leverhulme Research Fellow, Lancaster University, UK.
Project title: Magma flow and fracture in nature and the lab

November 2002-April 2003
Visiting scientist, University of Munich, Germany.

August 2002-October 2002
Visiting scientist, University of Iceland.

1998-2002 Open University-Lancaster University, UK.
Ph.D. Subglacial rhyolite volcanism at Torfajökull, Iceland.

1997-1998 Université Blaise Pascal, Clermont-Ferrand, France.
DEA (Masters equivalent) in Volcanology, Magmatic and Metamorphic studies.
Project title: The origin of crystals in the Minoan magma chamber, Santorini, Greece. Mention: Bien (1^st class).

1993-1997 Queens' College, Cambridge University, UK
High 2:1 B.A. Honours Degree in Geology.
Dissertation title: Magma-water interaction in the Borrowdale Volcanic Group, English Lake District.

23. Tuffen, H., Owen J, Denton JS. (2010) Magma degassing during subglacial eruptions and its use to reconstruct palaeo-ice thicknesses. Earth Science Reviews 99, 1-18.
22. Tuffen, H. (2010) How will melting of ice affect volcanic hazards in the 21st century? Philosophical Transactions of the Royal Society A, 368, 2535-2558, doi:10.1098/rsta.2010.0063.
21. Tuffen, H., Betts, R. (2010) Volcanism and climate: chicken and egg (or vice versa)? [Discussion report] Philosophical Transactions of the Royal Society A, 368, 2585-2588, doi:10.1098/rspa.2010.0064
20. Tuffen, H., Castro, J.M., Wilson L. The thermal effects of spherulite growth in rhyolitic lava. Earth and Planetary Science Letters, in revision.
19. Tuffen, H., Castro, J.M. (2009) The emplacement of an obsidian dyke through thin ice: Hrafntinnuhryggur, Krafla Iceland. Journal of Volcanology and Geothermal Research 185, 352–366.
18. Castro JM, Cottrell E, Tuffen H, Logan A. (2009) Spherulite crystallization buffers Fe-oxidation in silicic melt. Chemical Geology 268, 272–280.
17. Denton JS, Tuffen H, Gilbert JS, Odling N. (2009) The hydration and alteration of perlite and rhyolite from Iceland. Journal of the Geological Society of London 166, 895-904.
16. Edwards B, Tuffen H, Wilson L, Skilling IP (2009) Introduction to Special Issue on Volcano-Ice Interactions on Earth and Mars: the state of the science. Journal of Volcanology and Geothermal Research 185, 247–250.
15.
Tuffen, H., Smith, R., Sammonds, P. (2008) Evidence for seismogenic fracture of silicic magma. Nature 253, 511-514, DOI:10.1038/nature06989.
14. Tuffen, H., McGarvie, D.W., Pinkerton, H., Gilbert, J.S., Brooker R. (2008) An explosive-intrusive subglacial rhyolite eruption at Dalakvísl, Torfajökull, Iceland. Bulletin of Volcanology, 70, 841–860, DOI:10.1007/s00445-007-0174-x.
13.
Castro, J.M., Beck, P., Tuffen, H., Nichols, A., Dingwell, D.B. (2008) Timescales of spherulite crystallization in obsidian inferred from water concentration profiles. American Mineralogist 93, 1816–1822.
12. Tuffen, H. (2007) Models of ice melting and edifice growth during subglacial basaltic eruptions. Journal of Geophysical Research 112, B03203, doi:10.1029/2006JB004523.
11. Tuffen, H., Gilbert J.S. and McGarvie, D.W. (2007) Will subglacial rhyolite eruptions be explosive or intrusive? Some insights from analytical models. Annals of Glaciology, 45, 87-94.
10. McGarvie, D.W., Stevenson, J.A, Burgess, R., Tuffen, H. and Tindle, A. (2007) Volcano-ice interactions at Prestahnúkur, Iceland: rhyolite eruption during the last interglacial-glacial transition. Annals of Glaciology, 45, 38-47.
9. Mee, K., Tuffen, H., Gilbert, J.S. (2006) Snow-contact volcanic facies at Nevados de Chillan volcano, Chile, and implications for reconstructing past eruptive environments. Bulletin of Volcanology, 68, 363-376.
8. Neuberg J.W., Tuffen, H., Collier L., Green D., Powell T. and Dingwell D.B. (2006) The trigger mechanism of low-frequency earthquakes on Montserrat. Journal of Volcanology and Geothermal Research, 153, 37–50.
7. Schopka, H.H., Guðmundsson, M.T., Tuffen, H (2006) The formation of Helgafell, SW-Iceland, a monogenetic subglacial hyaloclastite ridge: Sedimentology, hydrology and ice-volcano interaction. Journal of Volcanology and Geophysical Research, 152, 359-377.
6. McGarvie, D.W., Burgess, R., Tindle, A.J., Tuffen, H. and Stevenson, J.A. (2006). Pleistocene rhyolitic volcanism at the Torfajökull central volcano, Iceland: eruption ages, glaciovolcanism, and geochemical evolution. Jökull 56, 57-75.
5. Tuffen, H., Dingwell, D.B. (2005) Fault textures in volcanic conduits: evidence for seismic trigger mechanisms during silicic eruptions. Bulletin of Volcanology, 67, 370–387.
4. Tuffen, H., Dingwell, D.B., and Pinkerton, H. (2003) Repeated fracture and healing of silicic magma generate flow banding and earthquakes? Geology 31, 1089-1092.
3. Tuffen, H., McGarvie D.W., Gilbert J.S., Pinkerton H. (2002) Physical volcanology of a subglacial-to-emergent rhyolitic tuya at Rauðufossafjöll, Torfajökull, Iceland. Geological Society, London, Special Publications, 202, 213-236.
2. Tuffen, H., Pinkerton H., Gilbert J.S., McGarvie D.W. (2002) Melting of the glacier base during a small-volume subglacial rhyolite eruption: evidence from Bláhnúkur, Iceland. Sedimentary Geology 149, 183-198.
1. Tuffen, H., Gilbert J.S., McGarvie D.W. (2001) Products of an effusive subglacial rhyolite eruption: Bláhnúkur, Torfajökull, Iceland. Bulletin of Volcanology 63, 179-190.

------In preparation or review------

Lavallée, Y., Andrews, G.D.M., von Aulock,F., Flaws, A., Hess, K.-U., Russell, J.K., Tuffen, H., Dingwell, D.B. Eruption and emplacement timescales of ignimbrite super-eruptions. Nature Geoscience, in review.
Tuffen, H., Houghton, BF, Dingwell DB. Exceptionally explosive magma-water interaction during the 181 AD Taupo eruption: was degassing responsible? Geology.
Tuffen, H. Measurement of water contents in silicic pyroclasts: reconciling bulk and micro-analytical techniques.
Denton JS, Tuffen H, Gilbert JS. Meso-scale variations in hydration of perlite and rhyolite.
Tuffen, H., Castro, J.M. Vesiculation and foam collapse in rhyolitic lava at Hrafntinnuhryggur, Krafla, Iceland.
Owen, J., Tuffen, H., Pinkerton, H., McGarvie, D.W. A reconstruction of the palaeo-ice thickness above Bláhnúkur, South Iceland.

• 2009 LEC research incentives fund, £2000.
• 2008 NERC standard grant “The effects of degassing and effusion rate fluctuations on the evolution of basaltic flow fields” co-PI, 2009-2012, £370 k.
• <2008>NERC New Investigator grant, “Volatile degassing from magma: Insights from eruptions under Icelandic glaciers”, PI, 2008-2010, £ 6 k.
• 2007 NERC Research Fellowship, £260 k.
• Royal Society Conference Grant, £1280.
• 2006 NERC standard grant, “Fracture mechanics of dome lava” researcher co-I, 2006-2009, £550 k.
• Royal Society Conference Grant, £1072.
• 2004 Leverhulme Early Career Research Fellowship, £90 k.
• Royal Society Conference Grant, £1390.
• 2003 Alexander von Humboldt Fellowship, £35 k.
• 2002 AGU travel grant, $1750
  Current and past collaborations
  Prof H. Pinkerton, Dr M. James, Dr J. Applegarth (Lancaster) Degassing of basaltic lava
  
  Prof. P. Sammonds, Prof. P, Meredith, Dr R. Smith (UCL) Fracture mechanics of dome lava
  
  Dr P. Wynn (Lancaster) Stable isotopic record of rock-meltwater interaction
  
  Dr. J. Castro (Monash University)) Emplacement of rhyolitic lava
  
  Prof. B. Houghton (Hawai’i) Magma ascent and degassing at Taupo, New Zealand
  
  Dr C. Petrone, Dr J. Maclennan (Cambridge) Melt inclusions and magma degassing
  
  Prof D. Dingwell, Dr Y. Lavallee (Munich) Faulting and fracture of silicic magma
  
  Prof J. Neuberg (Leeds) Trigger mechanism of volcanic earthquakes
  
  Prof M. Gudmundsson (Univ of Iceland) Degassing in subglacial basaltic eruptions
  
  Current research students
  
  • Jo Denton (PhD 2006-, co-supervised by Dr Jennie Gilbert)
    Jo is studying the hydration and alteration of subglacially-erupted Icelandic rhyolitic lavas, using the new thermogravimetric analysis facility at Lancaster together with petrological and field observations.
    
    
  • Jacqui Owen (PhD 2008-, co-supervised by Harry Pinkerton, Lionel Wilson and Dave McGarvie)
    Jacqui is investigating whether magmatic volatiles control the violence of subglacial rhyolite eruptions in Iceland.
    
    
  • Anne Forbes (PhD 2009-, Open University, co-supervised by Dave McGarvie and Steve Blake).
    Anne is looking into how lavas interact with ice and snow on Icelandic volcanoes.
    
    
  • Carina Riley (MRes 2009-2010, co-supervised by Harry Pinkerton)
    Carina is studying degassing and hydration of pumice and obsidian from the ongoing Chaiten eruption in Chile.
    
    
  • Simon Miller (MRes 2009-2010, co-supverised by Peter Wynn)
    Simon is working on the geochemistry of mixing between geothermal fluids and glacial melwater in Iceland.
    
    
  • Nicky Woodroffe (BSc, co-supervised by Mark Hounslow)
    Nicky is measuring the magnetic properties of Icelandic lavas to shed light on their crystal populations.
    
    
  
  
  

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  Previous funded projects
  
  • 2004-2006 Leverhulme Research Fellowship, Lancaster University and UCL
    Title - Fracture and flow of magma in nature and the lab
    Collaborators: Prof Peter Sammonds (UCL), Prof Harry Pinkerton (Lancaster)
  • 2003-2004 Alexander von Humboldt Research Fellowship, University of Munich
    I worked with Prof Don Dingwell on volcanic earthquakes and brittle-ductile magma deformation.
    
  • 1998-2001 Open University PhD studentship Title: Subglacial rhyolite volcanism at Torfajokull, Iceland.
    Supervisors: Dr Dave McGarvie (OU), Dr Jennie Gilbert and Prof Harry Pinkerton (Lancaster)
    
  
  
  Research dissemination and outreach • Article in NERC’s Planet Earth magazine, 2009. • Two entries in Springer Encyclopaedia of Snow, Ice and Glaciers, 2009. • Three interviews and guest appearances on Radio Lancashire, 2009. • Chapter in a popular science book about Lake District geology, 2007. • Profile in the New Scientist graduate careers special, 2006. • NESTA Crucible award , 2006 • Numerous lectures for amateur geological groups, including the Yorkshire Geological Society, Cumberland Geological Society, Craven and Pendle Geological Society, Westmorland Geological Society and Open University Geological Society. Measures of esteem • Elected Secretary of IAVCEI/IACS Joint Commission on Volcano-Ice Interactions, 02/2010 • Co-convenor of seven sessions at international conferences, one international conference • Editor of special issue of Journal of Volcanology and Geothermal Research (2008) • Eleven invited presentations at international conferences • Recent invited talks and seminars: Freie Universität Berlin February 2010, ETH Zurich February 2010 (2), Cambridge University Institute of Theoretical Geophysics October 2009, UCL February 2009, Open University February 2009, Bristol June 2008, Manchester University May 2007, Oxford University May 2007 • Winner of Bob Hunter Prize for best student talk at VMSG 2000 meeting. • Reviewer of >20 manuscripts for Earth Science Reviews, Geology, Geophysical Research Letters, Earth and Planetary Science Letters, Bulletin of Volcanology, Chemical Geology, Journal of Volcanology and Geothermal Research, Journal of the Geological Society of London and others, also grant proposals for NERC and NSF.

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  Non-academic interests

  Languages – English, French, German, Spanish.
  Music - cellist in band "Balkanic Eruption".
  Other interests include politics, photography, foreign travel and gardening.
  

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  Referees

  Professor Harry Pinkerton Department of Environmental Science Lancaster University LA1 4YQ, UK. E-mail: h.pinkerton@lancaster.ac.uk

  Professor Donald Dingwell Department of Earth and Environmental Science, University of Munich, Theresienstraße 41/III, 80333 Munich, Germany. E-mail: dingwell@lmu.de

  Professor Peter Sammonds Department of Earth Sciences, University College London, Gower Street, London WC1E 6BT, UK. E-mail: p.sammonds@ucl.ac.uk

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