Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

Programme Monday 7th January 11:00 – 13:45 Registration in the East foyer, Chemistry Building

Afternoon session: Lecture Theatre 1: Chemistry Building Please ensure that oral presentations are uploaded prior to the start of your session.

13:45 Welcoming remarks (S) denotes a student presentation Session: Magma, storage & degassing 1 Chaired by: Catherine Annen, University of Bristol

14:00 Keynote: Changing the metaphor – from magma chamber to magma reservoir Kathy Cashman & Guido Giordano 14:15 (S) Experimental constraints on coupled degassing and crystallisation at Mount St. Helens Jenny Riker, Jon Blundy, Alison Rust 14:30 Degassing regime of volcano in 2012 Evgenia Ilyinskaya, Alessandro Aiuppa, Bergur Bergsson, Thrainn Fridriksson, Audur Agla Oladottir, Finnbogi Oskarsson, Katharina Lechner, Richard Yeo, Gaetano Giudice 14:45 (S) Triple magma batches and a complex history of a monogenetic volcano: geochemical analysis of Mt. Rouse, Newer Volcanics Province, Australia. Julie Boyce, Ian Nicholls, Reid Keays, Patrick Hayman 15:00 (S) Assembling a super-eruption: linking magma accumulation and eruption timescales at Toba. David Budd, Val Troll, Ester Jolis, Frances Deegan, Vicki Smith, Martin Whitehouse, Chris Harris, Carmela Freda, David Hilton, Sæmundur Halldorsson 15:15 (S) Shallow storage of dacites beneath Uturuncu volcano, SW Bolivia Duncan Muir, Jon Blundy, Alison Rust 15:30 The behaviour of a volcanic system with two linked magma chambers Stephen Blake

15:45-16:15 Coffee: East Foyer, Chemistry Building Session: Magma, storage & degassing 2 Chaired by: Evgenia Iiyinskaya, British Geological Survey

16:15 Petrological Cannibalism – the chemical and textural consequences of pulsatory growth of magma bodies. Jon Blundy & Kathy Cashman 16:30 (S) Plagioclase as a recorder of magma-crust interaction beneath the Faroe Islands Börje Dahren, Val Troll, Abigail Barker, Fiona Meade, Carmela Freda, Paul Holm, Nina Søager 16:45 (S) A new model for granitic emplacement: the Newry Igneous Complex, Northern Ireland Paul Anderson, Carl Stevenson, Mark Cooper, Rob Ellam, Ian Meighan, Colm Hurley, John Reavy, James Inman, Dan Condon, Quentin Crowley. 17:00 (S) Reconstructing the emplacement of the Lago della Vacca complex, Adamello Batholith, , through field observations, image analysis and AMS. Anne Schöpa, Catherine Annen, Jon Blundy, Michel de Saint-Blanquat, Patrick Launeau 17:15 (S) Slurry remobilisation in a layered mafic sill (Franklin LIP, Victoria Island, Artic Canada Ben Hayes, Jean Bédard, Johan Lissenberg, C.D. Beard. 17:30 (S) Crystal-melt relationships and the record of deep mixing and crystallisation in the AD 1783 Laki eruption, Iceland. David Neave, Emma Passmore, John Maclennan, Godfrey Fitton, Thor Thordarson Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

17:45 Glacial loading probes mantle heterogeneity beneath Iceland John Maclennan, Kenneth W.W. Sims, Janne Blichert-Toft, Evelyn Mervine, Jurek Bluzstajn, Karl Grönvold

Please vacate the Chemistry Building promptly at the end of the last session. The cash bar at the Wessex Suite, The Grand by Thistle will be open from 6:30 pm for drinks. It is a 10-15 minute from the Chemistry Building and there are several pubs/bars along the way for a pre-dinner drink.

19:00 Conference Dinner and Ceilidh: Wessex Suite The Grand by Thistle, Broad Street, Bristol BS1 2EL (Please note the cost of the dinner is included in your conference registration)

Tuesday 8th January Morning session: Auditorium: Victoria Rooms Please ensure that oral presentations are uploaded prior to the start of your session.

Session: Research in Progress and general presentations 1 Chaired by: Susanne Skora, University of Bristol

9:00 Keynote: Mission Immiscible for two subduction components; evidence from Pagan Volcano, Mariana arc Yoshihiko Tamura, Osamu Ishizuka, Robert J. Stern, Akiko Nunokawa, Hiroshi Shukuno, Hiroshi Kawabata, Yuka Hirahara, Qing Chang, Takashi Miyazaki, Jun- Ichi Kimura, Robert W. Embley, Sherman Bloomer, Yoshiyuki Tatsumi 9:15 (S) Melting beneath the Izu volcanic arc: constraints from Uranium series isotopes Heye Freymuth, Tim Elliott, Yoshihiko Tamura 9:30 (S) Diatreme volcanism facilitating Pb-Zn mineralisation in the Irish Orefield? Holly Elliott, Tom Gernon, Stephen Roberts, Patrick Redmond 9:45 (S) The Comsos Greenstone terrane; Insights into a mineralised Archean Arc from U-Pb dating, volcanic stratigraphy and geochemistry Alexandra de Joux & Thor Thordarson

10:00 (S) Carbonatite genesis: An experimental approach in the CMASK-CO2 system Sorcha McMahon, Mike Walter, Ken Bailey 10:15 Rheology of Three-Phase magmas Mattia Pistone, Luca Caricchi, Peter Ulmer, Eric Reusser, Federica Marone, Luigi Burlini 10:30 (S) Disturbed 40Ar/39Ar ages in basalt lavas: Chemical and X-ray computed tomographic (CT) evidence for fluid/basalt chemical interaction Elizabeth Cramer, Sarah Sherlock, Kate Dobson, Alison Halton, Stephen Blake, Tiffany Barry, Peter Lee, Simon Kelley, David Jolley 10:45 Taking geology to the IMAX: 3D and 4D insight into geological processes using micro-CT Kate Dobson, Peter Lee, David Brown, Tim Tomkinson, Elizabeth Cramer, Sarah Sherlock, Chedtha Puncreobutr, Kristina Kareh 11:00 VMSG AGM Andy Saunders

11:15-11:45 Coffee: Recital Room and Lecture Room G12

Poster sessions: Recital Room, Lecture Room G12 and Victoria’s Room

11:45- 12:45 Poster Session A Magma, Storage and Degassing A (Lecture room, G12)) Geophysics A (Recital Room) Research in Progress and General presentations A (Recital Room)

12:45-13:45 Lunch: Recital Room and Lecture Room G12 Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

Japan IODP project 13:45 Ultra-deep drilling into arc crust Yoshihiko Tamura, Yoshiyuki Tatsumi, Osamu Ishizuka, Robert J. Stern, James B. Gill, Julien A. Pearce, Richard Arculus and others

14:00- 15:00 Poster Session B Physical B (Victoria’s Room) Research in Progress and General presentations B (Recital Room) Magma, Storage and Degassing B (Lecture Room, G12)

15:00-15:30 Coffee: Recital Room and Lecture Room G12.

VMSG Award Talk: Auditorium: Victoria Rooms 15:30 Behaviour of giant pyroclastic density currents: deductions from deposits Mike Branney

16:30- 17:45 Poster Session C Geophysics C (Recital Room) Physical Volcanology C (Victoria’s Room) John Guest (Lecture room, G12)

A wine reception will be served during this poster session form the Recital Room and Lecture Room G12.

Public Lecture: @Bristol, Harbourside, BS1 5DB Title to be confirmed Ellen Stofan

Wednesday 9th January Morning session: Lecture Theatre 1: Chemistry Building Session: Physical Volcanology Chaired by: Mike Branney, University of Leicester 9:00 Buoyancy of plume-sourced ash clouds: implications for ash transport modelling Steve Sparks, R. Baines, Rose Burden, Sam Engwell, Andrew Hogg, Herbert Huppert, Chris Johnson, Jessica Kandlbauer, Jeremy Phillips, Mark Woodhouse 9:15 (S) The duration of volcanic eruptions: controls and forecasts Leanne Gunn, Stephen Blake, Chris Jones, Hazel Rymer 9:30 (S) Climate and carbon cycle response to the 1815 Tambora eruption: pre-industrial vs. future Earth system simulations. Jessica Kandlbauer, Peter Hopcroft, Steve Sparks, Paul Valdes 9:45 (S) Newly discovered components of magmatism from Santorini are revealed during cryptotephra studies of marine cores. Christopher Satow, Emma Tomlinson, Paul Albert, Sarah Collins, Katharine Grant, Sabine Wulf, Luisa Ottolini, Eelco Rohling, Martin Menzies, Simon Blocklet, Vicki Smith, Christina Manning, John Lowe 10:00 (S) The nature and scale of lava-water-sediment interaction: an example from the Fife- Midlothian Basin, Kinghorn, eastern Scotland. Heather Rawcliffe, David Brown, Brian Bell 10:15 Inclined Vulcanian explosions at Soufriere Hills Volcano: causes and consequences Paul Cole, Adam Stinton, Roderick Stewart, Henry Odbert 10:30 Assigning a volcano alert level: negotiating uncertainty, risk, and complexity in decision-making processes Carina Fearnley

Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

10:45-11:15 Coffee: East Foyer, Chemistry Building

Session: Research in progress and general session 2 Chaired by: Lucy Porritt and Anthony Burnham, University of Bristol 11:15 Pyroclastic granulation in explosive volcanic eruptions Tom Gernon, Martin Wood, Richard Brown, Chris Medlin, Mark Tait, Thea Hincks 11:30 (S) Continental crust formation in the Southern Central Andes: new insights from O and Hf isotopes in zircon Rosie Jones, Linda Kirstein, Simone Kasemann, Bruno Dhuime, Tim Elliott, Vanesa Litvak 11:45 (S) Melting rocks with magma: Sediment pyrometamorphism as a tracer of magma flow localisation in sills and dykes Clayton Grove, Dougal Jerram, Richard Brown, Jon Gluyas 12:00 (S) MORB-like halogens in basalts of the Azores archipelago Lisa Jepson, Ray Burgess, Vera Fernandes, Chris Ballentine 12:15 (S) Entablature Anne Forbes, Steve Blake, Dave McGarvie, Hugh Tuffen 12:30 Dihedral angles as a proxy for crystallisation times in dolerites Marian Holness & Chris Richardson 12:45 Student Forum Chaired by the VMSG student representative

12:45-13:45 Lunch: East Foyer, Chemistry Building

Afternoon session: Lecture Theatre 1: Chemistry Building Session: Geophysics Chaired by: Andy Nowacki and Mark Woodhouse, University of Bristol 13:45 The onset and evolution of pit crater collapse: insights from events at Pu’u O’o, Hawaii in 2011 Eoghan Holohan, Thomas Walter, Martin Schöpfer, John Walsh, Tim Orr, Mike Poland 14:00 (S) Structures of the rift zone in northern Iceland Sion Hughes & Hazel Rymer 14:15 (S) Volcanic unrest in Kenya: a satellite perspective Elspeth Robertson, Juliet Biggs, Marie Edmonds, Charlotte Vye-Brown 14:30 Magmatic systems within sedimentary basins Nick Schofield, Simon Holford, David Jolley

Session: John Guest Chaired by: Chris Kilburn, UCL 14:45 A tribute to John Guest Chris Kilburn 15:00 Contrasting lava flow dynamics and morphologies on planetary bodies Lionel Wilson 15:15 The evolution of volcanism in Syrtis Major Planum (Mars): drawing insight from terrestrial analogues Peter Fawdon, Matt Balma, Charlotte Vye-Brown, Dave Rothery, Colm Jordan

15:30 – 16:00 Coffee: East Foyer, Chemistry Building

Session: John Guest Chaired by: Chris Kilburn, UCL 16:00 Mapping of volcanic terrains across the Solar System Ellen Stofan 16:15 Pulsatory andesite lava flow at Bagana Volcano Geoff Wadge, Steve Saunders, Ima Itikarai

Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

16:45 John Guest’s legacy on Mt. Etna: a spreading volcano with no chamber John Murray

17:00 Closing remarks Andy Saunders, VMSG Chair

Poster Contributions Posters should be displayed throughout the day on Tuesday. Posters have been arranged alphabetically per session. Please note the number of your poster as this refers to your poster board and the letter of your Poster Session (A, B, C). Poster sessions for particular themes have been spilt across Poster Sessions to enable easy access to posters and to facilitate interaction between researchers. Please be present at your poster during the appropriate session.

Magma, storage & degassing: Posters 1-40, Lecture Room G12 Research in progress and general presentations: Posters 41-61, Recital Room Geophysics: Posters 62-84, Recital Room Physical Volcanology: Posters 85-112, Victoria’s Room John Guest: Posters 113-117, Lecture Room G12

Magma, storage & degassing (Lecture Room G12)

1_A (S) Geochemistry of Quaternary magmatism in the Greater Caucasus Samuel Bewick, Nigel Harris, Ian Parkinson, S. Adamia 2_B The emplacement of a large, chemically zoned, locally rheomorphic, lava-like ignimbrite: the Sgurr of Eigg Pitchstone, NW Scotland David Brown, Brian Bell, Graeme Nicoll, Val Troll 3_A Long-term deformation at Uturuncu volcano in Bolivia and igneous diapirism in the crust Rodrigo del Potro, Mikel Díez, Cyril Muller, Jo Gottsman 4_B Geochemical and petrological analysis of products from the 2011 eruption of Nabro volcano, Eritrea Amy Donovan, Iris Buisman, 5_A Magma plumbing and degassing during the 2008-present summit eruption of Kilauea Volcano, Hawai’i Marie Edmonds, Tamsin Mather, Rob Martin, Isobel Sides, Richard Herd, Don Swanson 6_B Re-evaluating ‘super’ volcanoes: the case of Yellowstone Ben Ellis, Darren Mark, Michael Rowe, Olivier Bachmann 7_A (S) Hydrothermal cells and the Thermal Boundary Layer around the Cuillin Gabbro, Isle of Skye Fran Entwistle, Bruce Yardley, Adrian Boyce 8_B 2011-2012 eruption of Nyamuragira Marco Fazio, Adrian Jones, Andy Beard 9_A Petrological constraints on deep degassing prior to large basaltic fissure

eruptions: CO2 in Laki melt inclusions Margaret Hartley, John Maclennan, Marie Edmonds, Thor Thordarsson, Dan Morgan 10_B (S) Silicic volcanism in the Main Ethiopian Rift: A case study of Alutu Volcano William Hutchison, Juliet Biggs, Tamsin Mather, David Pyle, Gezahedn Yirgu 11_A (S) Modelling of magmatic hydrothermal systems: Phlegrean Fields case study Alia Jasim, Fiona Whitaker, Alison Rust

12_B Magma mixing, storage and degassing during the 1959 Kilauea Iki eruption, Hawai’i Isobel Sides, Marie Edmonds, John Maclennan, Bruce Houghton, Don Swanson

13_A (S) Post-caldera explosive activity at Furnas volcano, São Miguel, Azores Adam Jeffery, Ralf Gertisser, Brian O’ Driscoll, A. Pimental, José Manuel Pacheco, Stephen Self Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

14_B (S) Compositional heterogeneity of the Earth’s convecting mantle: constraints from olivine-hosted melt inclusions from a continental flood basalt setting Eleanor Jennings, Sally Gibson, John Maclennan, Robert Thompson 15_A Tracking changes of magma transfer beneath Mt. Etna: Evidence from crystal zonation and real-time gas monitoring Maren Kahl, Sumit Chakraborty, Fidel Costa, Massimo Pompilio, Marco Liuzzo, Marco Viccaro 16_B (S) Timescales of magmatic processes at Mt. Ruapehu, New Zealand: linking mineral diffusion rates to monitoring data. Geoff Kilgour, Kate Saunders, Jon Blundy, Heidy Mader 17_A Disequilibrium during volcanic eruption: effect of cooling rate on plagioclase- liquid element exchange Marthe Klöcking, Marie Edmonds, Madeleine Humphreys 18_B Melting events in the Rum layered intrusion Julien Leuthold, Jon Blundy, Marian Holness 19_A (S) The origin of the Igwisi Hills Kimberlite (Tanzania) constrained from He and O isotopes Freya Marks, Finlay Stuart, Richard Brown

20_B (S) An integrated study of SO2 degassing from Tungurahua volcano, Ecuador Brendan McCormick, Jian Yang, Marie Edmonds, Tamsin Mather, Simon Carn, Silvana Hidalgo, Baerbel Langmann, Michael Herzog 21_A (S) (Mis)understanding bubble growth in magma: Evidence from preserved volatile concentration gradients in glass Iona McIntosh, Ed Llewellin, Madeleine Humphreys, Alain Burgisser, Ian Schipper, Alex Nichols 22_B Granitoid magmatism during continental rifting: preliminary insights from the Oslo Rift, Norway Claire McLeod, Alan Brandon, Reidar Trønnes, Tom Lapen 23_A (S) Norwegian Larvikites: Colours & origin: An oxygen isotope study Ian Meighan, Tony Fallick, Rob Ellam 24_B Exploring volcanic-plutonic connections Vali Memeti & Jon Davidson 25_A (S) Magma storage and differentiation beneath Dabbahu Volcano, Afar, Ethiopia Hilary Milroy, Catherine Annen, Jon Blundy 26_B (S) Constraining the pre-eruptive storage conditions for Pollara eruptions of Salina, Italy Helena Moretti, Jo Gottsman, R. Sulpizio, Jon Blundy 27_A (S) Making granites in the BPIP: How did the evolved rocks in Centre 3, Ardnamurchan form? Joanne Murray, Fiona Meade, Rob Ellam, Val Troll 28_B (S) Degassing of sulphur from sediments in the Siberian Traps Large Igneous Province Svetlana Novikova, Christine Yallup, Marie Edmonds, Alexandra Turchyn, John Maclennan, Henrik Svensen 29_A The post-Minoan plumbing system behaviour at Santorini Volcanic Field: implications for the current unrest phase Chiara Maria Petrone, Lorella Francalanci, George Vougioukalakis 30_B (S) Geochemical evidence for relict degassing pathways in andesite Melissa Plail, Marie Edmonds, Madeleine Humphreys, Jenni Barclay, Richard Herd 31_A (S) Textural variations of groundmass microlites in the 2006 and 2010 eruptive products of Merapi volcano, Indonesia: evidence for magma ascent and shallow conduit processes. Katie Preece, Jenni Barclay, Ralf Gertisser, Richard Herd 32_B (S) Reconciling sulphur dioxide emissions from satellite data with petrological volatile data for explosive eruptions of , Italy Lois Salem, Marie Edmonds, Brendan McCormick, Simon Carn 33_A (S) Effects of shear strain on deformation and degassing of three-phase magmas Jessie Shields, Luca Caricchi, David Floess, Heidy Mader, Mattia Pistone

Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

34_B Effect of fO2 on phase relations and sulphur mobility during magmatic differentiation of a basaltic andesite Susanne Skora & Jon Blundy 35_A (S) Timescales of upper crustal residence at Campi Flegrei, Italy Vicki Smith, Kate Saunders, Roberto Isaia 36_B Triggering of major volcanic eruptions recorded by actively forming cumulates on Tenerife Michael Stock, Rex Taylor, Thomas Gernon 37_A The Alpehué Eruption, Sollipulli Caldera, Southern Karen Strehlow, Armin Freundt, Steffen Kutterolf, Julie Christin Schindlbeck 38_B Evidence for an open magma system feeding the compositionally diverse Laacher See (Germany) eruption Emma Tomlinson, Vicki Smith, Martin Menzies 39_A (S) What lies beneath? A Sr and Pb isotope study of intrusive rocks on the Isle of Mull Marie Turnbull, Fiona Meade, G.R. Nicoll, Rob Ellam, Val Troll 40_B (S) Degassing of sulphur from shale adjacent to a dolerite sill in Skye: implications for the volatile budget of large igneous provinces Christine Yallup, Marie Edmonds, Alexandra Turchyn

Research in Progress and general presentations (Recital Room)

41_A (S) MORB like noble gas signatures within Western Antarctic Rift Zone Michael Broadly, Chris Ballentine, Ray Burgess 42_B The Snap Lake Kimberlite; A true composite intrusion Richard Brooker, Rachael Ogilvie-Harris, Tom Gernon, Steve Sparks, Matthew Field 43_A (S) Vesiculation of a rhyolitic melt: new insights from hot-stage microscopy experiments John Browning, Hugh Tuffen, Mike James 44_B Trace element systematics of zircon from I- and S-type granites Anthony Burnham, Andrew Berry, Ian Williams, Ryan Ickert 45_A (S) A tale of two magmas: Petrological insights into mafic and intermediate explosive volcanism at Volcán de Colima, Mexico Julia Crummy, Ivan Savov, Daniel Morgan, Marjorie Wilson, Carlos Navarro- Ochoa, Sue Loughlin 46_B Dynamics of deforming partially molten regions and the nucleation of dykes Mikel Diez, Jon Blundy, Andrew Hogg 47_A (S) The Red Hills intrusive system: Easternmost porphyry copper deposit in southwestern North America Amy Gilmer & Richard Kyle 48_B (S) The structure and evolution of shallow magmatic systems emplaces in fold-and- thrust belts – a case study of Cerro Negro, Neuquén Province, Argentina Derya Gürer, Fernando Corfu, Olivier Galland 49_A (S) Water/Rock interaction and volcanic behaviour Brioch Hemmings, Alia Jasim, Fiona Whitaker, Ben Buse, Jo Gottsmann 50_B (S) Experimental insights into the formation of amphibole reaction rims: Texture, mineralogy, and processes of formation Sarah Henton De Angelis, Jessica Larsen, Michelle Coombs, A. Dunn 51_A (S) Changes in heavy metal distribution and deposition at Poás Volcano, Costa Rica Melanie Hinrichs, Hazel Rymer, Steve Blake, Mike Gillman 52_B Fe3+/ΣFe in hydrous glass Madeleine Humphreys, Richard Brooker, Don Fraser, Vicki Smith 53_A Depositional and textural characteristics of “dry” maar volcanoes in northern Tanzania Hannes Mattsson 54_B The source of A-type magmas in two contrasting settings: constraints on processes and tectonics from U-Pb, Lu-Hf and Re-Os isotopes. Matthew Pankhurst, Bruce Schaefer, Simon Turner

Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

55_A Sm-Nd and U-Pb isotope geochemistry of the Sweetwater Wash and North Piute plutons, Mojave Desert, California. Stacy Phillips, John Hanchar, Calvin Miller 56_B The lattice strain model applied to coexisting garnet and cpx. Joe Pickles, Jon Blundy, Chris Smith 57_A (S) The role of ice cavities in lave lobe formation Hannah Reynolds, Duncan Woodcock, Jennie Gilbert, Steve Lane 58_B (S) Phreatomagmatic edifices produced by lava-sediment interaction Peter Reynolds, Rich Brown, Ed Llewellin, Thor Thordarsson, Kevin Fielding 59_A (S) Concentrations of critical metals in the Carnmenellis biotite granite, Cornwall, UK Bethany Simons, Jens Andersen, Robin Shail 60_B The nature of deep mantle from Afar plume picrites Finlay Stuart, Nick Rogers, Ian Parkinson, Heather Davies 61_A (S) Recognising mush disaggregation in basaltic systems: The distribution of olivine compositions in Icelandic basalts and picrites Andrew Thomson & John Maclennan

Geophysics (Recital Room)

62_A (S) Loading, compaction and injection: investigating ground deformation on Mt. Etna’s northeast crater flowfield Alistair Davies 63_C (S) Detection and categorization of geyser eruption dynamics: insights from infrasound monitoring at Yellowstone National Park Philippa Demonte, Jeffery Johnson, Aida Quezada-Reyes 64_A On the lack of InSAR measurements of deformation at Central American Volcanoes Susanna Ebmeier, Juliet Biggs, Tamsin Mather 65_C Hydroacoustic, infrasonic and seismic monitoring of the submarine eruptive activity and subaerial plume generation at South Sarigan May 2010 David Green, Läslo Evers, David Fee, Robin Matoza, Mirjam Snellen, Pieter Smets, Dick Simons 66_A (S) Crustal deformation between volcanic segments of the Askja and Kverkjöll central volcanoes, Northern Iceland Robert Green, Robert White, Tim Greenfield, Jon Tarasewicz, Heidi Soosalu, Janet Key 67_C (S) Local earthquake tomographic imaging of a magma chamber beneath Askja volcano, Iceland Tim Greenfield, Robert Green, Janet Key, Hilary Martens, Michael Mitchell, Robert White 68_A (S) Earthquake relocations and InSAR time series analysis of the June 12th 2011 eruption of Nabro volcano, Eritrea Joanna Hamlyn, Derek Keir, James Hammond, Tim Wright, Jurgen Neuberg, Alem Kibreab, Ghebrebrhan Ogubazghi, Berhe Goitom 69_C (S) Large-scale ground deformation at Uturuncu volcano: evidence for magma rise from the Altiplano-Puna magma body James Hickey, Jo Gottsmann, Rodrigo del Potro 70_A (S) A comparison of seismically imaged hydrothermal vents with field and laboratory analogues Murray Hoggett, Nick Schofield, Stephen Jones 71_C (S) Anatomy of the onset of the current repose period at Volcán de Colima during July 2011 Oliver Lamb, Nick Varley, Tamsin Mather, David Pyle 72_A Modes of volcano growth and linkages to sub-volcanic intrusions determined using seismic reflection data from the Ceduna Sub-basin (offshore S Australia) Craig Magee, Esther Hunt-Stewart, Christopher Jackson 73_C (S) Sill geometries in 3D seismic data: Implications for sill emplacement Ben Manton & J. Cartwright Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

74_A (S) Causes of continuous activity at Arenal volcano, Costa Rica: preliminary results from a volcano-tectonic study Cyril Muller, Rodrigo del Potro, Jo Gottsmann, Juliet Biggs, Mikel Diez, Marino Protti, Gerardo Soto, Waldo Taylor 75_C ARGOS: Geophysical study of Alutu Andy Nowacki, Mike Kendall, Ian Bastow, Matthew Wilks, Juliet Biggs, Atalay Ayele, Shimeles Fisseha, Elias Lewi, Will Hutchison, David Pyle, Friedemann Samrock, Alexei Kuvshinov, Andy Jackson 76_A (S) Seismic and acoustics indices using the registered energies on Tungurahua volcano, Ecuador Pablo Palacios, Heidy Mather, Mike Kendall 77_C (S) Monitoring Cascade volcanoes using InSAR Amy Parker, Juliet Biggs, Tim Wright, Zhong Li 78_A (S) A photogrammetric feasibility study for DEMs of gulleys in Ecuador Jacqueline Ratner, David Pyle, Tamsin Mather 79_C (S) Decreases in LP seismicity before the May 2011 eruption of the persistently restless Telica Volcano, Mel Rodgers, Halldor Geirsson, Molly Witter, Diana Roman, Peter LaFemina, Angelica Muñoz, Virginia Tenorio 80_A Geodetic data shed light on on-going caldera subsidence at Askja, Iceland Hazel Rymer & Elske de Zeeuw-van Dalfsen 81_C (S) Locating the source of volcanic noise, a picture tells a thousand hertz Elizabeth Swanson, Scase Mathew, David Green 82_A (S) Examining seismic precursors to eruptions at volcanoes in extensional stress fields using an experimental approach Richard Wall, Chris Kilburn, Philip Meredith 83_C (S) Digital mapping of accommodation structures associated with emplacement of the Maiden Creek intrusion, Henry Mountains, Utah Penelope Wilson, Ken McCaffrey, Robert Holdsworth, Jon Davidson, Pamela Murphy 84_A Comparing predictions of an integral model with observations of the Eyjafjallajökull 2010 plume Mark Woodhouse, L. Dowson, Jeremy Phillips

Physical Volcanology (Victoria’s Room)

85_B Dispersal and timing of major eruptive events at Ischia (Italy), insights from distal tephra records Paul Albert, Emma Tomlinson, Lucia Civetta, Sabine Wulf, Richard Brown, Vicki Smith, Giovanni Orsi, Christine Lane, Martin Menzies 86_C (S) Does volcanology work? Evidence from volcanic fatalities record Mel Auker, Steve Sparks, Lee Siebert, Sian Crosweller, J. Ewert 87_B (S) A glimpse into the future – Earth Science on trial! Richard Bretton, Jo Gottsmann, R. Christie 88_C (S) The structure and emplacement of the Rocche Rosse obsidian lava flow, Aeolian Islands, Italy Liam Bullock, Ralf Gertisser, Brian O’ Driscoll 89_B (S) A statistical method for determining the volume of volcanic fall deposits Rose Burden, Li Chen, Jeremy Phillips

90_C (S) Ecological impacts of degassing and deposition from recent activity at Volcán Turrialba, Costa Rica Bethan Burson, Rob Martin 91_B Advances in the construction of volcanic records from marine sediment cores: A review and case study (Montserrat, West Indies) Michael Cassidy, Jess Trofimovs, Martin Palmer, W. Symons 92_C (S) Landslide processes at Montserrat, Lesser Antilles, and their implications for tsunami generation Maya Coussens, Peter Talling, Sebastian Watt, Mike Cassidy, Marin Palmer Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

93_B Interactions between mitigation strategies: implications for the scientific bases of mitigation policy Simon Day & Carina Fearnley 94_C (S) Eruption and depositional facies of the Stob na Doire Ignimbrite Member, Glencoe, NW Scotland: fault-bounded rheomorphic/lava-like and eutaxitic ignimbrite Jonathan Dietz, David Brown, Ross Dymock 95_B (S) Bentonised silicic pyroclastic fall deposits at the base of the Palaeogene Skye Lava Field which possess welded ignimbrite like fabrics Simon Drake & Andrew Beard 96_C (S) The importance of conduit erosion Jonathan Hanson, Alison Rust, M. Pavier, Jeremy Phillips 97_B Modelling disaster risk scenarios at La Soufrière, Guadeloupe Susanna Jenkins, Robin Spence, Peter Baxter, Jean-Christophe Komorowski, Sara Barsotti, Tomaso Esposti-Ongaro, Augusto Neri 98_C (S) Revised estimates for the volume of the Minoan eruption Emma Johnson, Steve Sparks, Jeremy Phillips 99_B (S) Stratigraphy and eruption history of peralkaline welded ignimbrites, Island of Pantelleria, Italy Nina Jordan, Mike Branney, Mike Norry 100_C (S) Drilling into a super-eruption caldera? Initial report of the proximal rhyolites revealed by the Snake River deep drill hole, Idaho Tom Knott, Mike Branney, Marc Reichow, Mike McCurry & the HOTSPOT team 101_B (S) Glacial modulation of eruptive activity at Volcán Sollipulli, Chile Stefan Lachowycz, David Pyle, Tamsin Mather, Katy Mee, J. Naranjo 102_C Development of a database of volcanic ash layers from ocean drilling cores as a record of global explosive volcanism Sue Mahony, Steve Sparks, N. Barnard 103_B (S) Lithofacies architecture of the Stallachan Dubba Ignimbrite Member, Ardnamurchan, NW Scotland: valley-filling ignimbrites and the incursion of pyroclastic density currents into a lake Charlotte McLean, John Buchanan, Peter Reynolds, Peter Nicholls, Ross Dymock, Caroline Patmore, David Brown 104_C (S) The respiratory health hazard of volcanic ash: factors affecting the formation and toxicity of cristobalite Claire Nattrass & 105_B (S) Exploring the mechanisms of basaltic fragmentation: insights from textural analysis Emma Nicholson, Kathy Cashman, Alison Rust 106_C Deforming a volcano by surface deposit loading: how loading may mislead classic deformation analyses Henry Odbert, Benoit Taisne, Steve Tait 107_B Pele’s tears and spheres – insights into the fragmentation of low viscosity magmas Lucy Porritt, James Russell, Steve Quane 108_C (S) The atmospheric habit of fine volcanic ash Gemma Prata, Benjamin Reed, Tamsin Mather, David Pyle, Dan Peters 109_B (S) The Sky’s the limit: mapping volcano deposits using kites Jonathan Stone, Jenni Barclay, Paul Cole, Sue Loughlin, Peter Simmons 110_B Causes and effects of variations in groundwater inflows in a Stombolian to phreatomagmatic explosive eruption: the Cova de Paúl Crater eruption on Santo Antão, Cape Verde Islands. Bob Tarff & Simon Day 111_B Use of feral and wild animal tracks to locate the precise extent of dangerously hot pyroclastic ashes at the margin of a fresh pyroclastic flow deposit Bob Thompson 112_C Towards quantifying the arc-scale and global magmatic response to deglaciation Sebastian Watt, David Pyle, Tamsin Mather

Volcanic and Magmatic Studies Group Annual Meeting Bristol 7th-9th January 2013

John Guest (Lecture Room, G12)

113_C (S) Constraints on the physical characteristics of volcanic activity on Venus Martin Airey, Tamsin Mather, David Pyle 114_C Effusive activity at Somma-Vesuvius: lava flow-field characteristics from 1631 to 1944 Sarah Brown, Carmen Solana, Chris Kilburn 115_C (S) Lava channel networks Hannah Dietterich & Kathy Cashman 116_C (S) Kalkarindji – The forgotten volcanic province Peter Marshall & Mike Widdowson 117_C Levee control on the evolution of lava flow fields Marie Nolan, Carmen Solana, Chris Kilburn 118_C Inflation, drainage and lava-water interaction during the emplacement of the Nesjahraun, Iceland John Stevenson, Neil Mitchell, Mike Cassidy, Harry Pinkerton