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Presentations 2008

Talks and papers presented at conferences and seminars

General

S. Lebedev, T. Meier. (Invited). Surface-Wave Anisotropy and Deformation of Continents American Geophysical Union Fall Meeting, San Francisco, December 2008

S. Lebedev, B. Endrun, T. Meier. Deformation of continental lithosphere: new insight from seismic anisotropy in the Aegean. 31st General Assembly of the European Seismological Commission, Crete, September 2008

B. Endrun, S. Lebedev, T. Meier. Evolution of Deformation in the Aegean Continental Lithosphere Deduced from Layered Seismic Anisotropy 31st General Assembly of the European Seismological Commission, Crete, September 2008

C. Legendre, Meier, T., Lebedev, S., Friederich, W. Large-scale Shear Velocity Structure of the Upper Mantle beneath Europe and Surrounding Regions 31st General Assembly of the European Seismological Commission, Crete, September 2008

S. Lebedev, R.D. van der Hilst. Automated Multimode Inversion of surface and S wave forms: global tomography and SEM benchmarking. ORFEUS Waveform Inversion workshop, Utrecht, June 2008

J. Boonen, S. Lebedev, J. Trampert. Seismic structure of Precambrian lithosphere: New constraints from tomography and broadband surface-wave dispersion. European Geosciences Union General Assembly, Vienna, April 2008

S. Lebedev, Upper-mantle discontinuities and gradients: Their origin, seismic expression and geodynamic significance. European Geosciences Union General Assembly, Vienna, April 2008

Y. Qin, Capdeville, Y., Montagner, J.P., Lebedev, S., Beucler, E. SPICE Benchmark for global tomographic methods. European Geosciences Union General Assembly, Vienna, April 2008

X. Zhang, Paulssen, H., Lebedev, S., Meier, T. Relation between the upper mantle seismic, thermal and compositional structure in the Gulf of California. European Geosciences Union General Assembly, Vienna, April 2008

C. Legendre, Lebedev, S., Meier, T., Friederich, W. Large-scale shear velocity structure of the upper mantle beneath Europe. European Geosciences Union General Assembly, Vienna, April 2008

I.J. Ferguson, E. Gowan, A.G. Jones and J.A. Craven. Magnetotelluric mapping of Precambrian structures beneath a Phanerozoic Basin: the Superior Boundary Zone, Manitoba, Canada. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

A.G. Jones, J. Plomerova, T. Korja, F. Sodoudi, and W. Spakman. Geophysical imaging of deep lithospheric structure and the Lithosphere-Asthenosphere Boundary of Europe. Invited Presentation at: 4th TOPO-EUROPE Workshop, El Escorial (Madrid), Spain, 5-8 October 2008

A.G. Jones. Archean lithospheric geometries and tectonic processes revealed by electromagnetic imaging. Invited seminar, U. Cape Town, South Africa, 11 February 2008

A.G. Jones. Measures of fit of models to data: Beyond chi-squared. Presentation, MT 3D Inversion Workshop, Dublin, Ireland, 12-14 March 2008

D.W. Eaton, F. Darbyshire, R.L. Evans, H. Grutter, A.G. Jones, and X. Yuan. The elusive lithosphere-asthenosphere boundary (LAB). Contributed paper at: EUG 2008, Vienna, 14-18 April 2008

A.G. Jones, R.L. Evans, and D.W. Eaton. Velocity-conductivity relationships for mantle mineral assemblages in Archean cratonic lithosphere based on extremal bounds. Contributed paper at: EUG 2008, Vienna, 14-18 April 2008

A.G. Jones. The electrical structure of mantle lithosphere. Invited Keynote Presentation at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

A.G. Jones, J. Plomerova, and T. Korja. Electrical and seismic estimates of the depth to the LAB. Invited Keynote Presentation at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

A.G. Jones. Observations of the electrical Moho. Invited Presentation at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

F. Cook, D. White, A.G. Jones, D. Eaton, J. Hall, and R. Clowes. How the crust meets the mantle: Lithoprobe perspectives on the Moho and crust-mantle transition. Contributed paper at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

M.P. Hamilton, and A.G. Jones. A new model to explain seismic anisotropy of the upper mantle from SKS studies. Contributed paper at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

A.G. Jones, M.R. Muller, M.P. Hamilton, M.P. Miensopust, X. Garcia, R.L. Evans, P. Cole, T. Ngwisanyi, D. Hutchins, C.J.S. Fourie, S.F. Evans, A. Mountford, W. Pettit, and the SAMTEX Team. Area selection using magnetotellurics: Examples from southern Africa. Contributed paper at: 9th International Kimberlite Conference, Frankfurt, Germany, 11-15 August 2008

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Three-Dimensional MT

M.P. Miensopust, C.G. Farquharson and A.G. Jones. MCMT3DID – a finite-element, 3D MT inversion code using local coordinates for each site and solving for distortion parameters. Contributed paper at: Fall AGU, San Francisco, U.S.A., 15-19 December 2008

M. Moorkamp, Michele Belmonte, Randall L. Mackie and Marion Miensopust. Proposal for a standardized 3D EM model format based on NetCDF. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

M.P. Miensopust, C.G. Farquharson and A.G. Jones. A finite-element, 3D MT inversion code using local coordinates for each site and solving for distortion parameters. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

M.P. Miensopust, P. Queralt, A.G. Jones and the MT 3D inversion workshop attendees. MT 3D inversion – a recapitulation of a successful workshop. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

M.P. Miensopust, P. Queralt, and A.G. Jones. Three-dimensional models for MT code testing: Preliminary results and comparison. Contributed paper at: 31st International Geological Congress, Oslo, Norway, 06-15 August 2008

Joint Inversion

M. Moorkamp, A.G. Jones, S. Fishwick, S. Lebedev and The SAMTEX Team. Non-linear joint inversion of multiple datasets with a genetic algorithm. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

E. Roux, M. Moorkamp, A.G. Jones and S. Lebedev. Joint inversion of magnetotelluric and surface waves data in anisotropic media. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

E. Roux, M. Moorkamp, A.G. Jones and S. Lebedev. Joint inversion of magnetotelluric and surface waves data in anisotropic media. Contributed paper at: Fall AGU, San Francisco, U.S.A., 15-19 December 2008

M. Moorkamp, A.G. Jones, S. Lebedev, S. Fishwick, and The SAMTEX Team. Joint inversion of receiver functions, surface wave dispersion and magnetotelluric data. Contributed paper at: EUG 2008, Vienna, 14-18 April 2008

M. Moorkamp, A.G. Jones, S. Lebedev, S. Fishwick, and E. Roux. Joint inversion of receiver functions, surface wave dispersion and magnetotelluric data. Contributed paper at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

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SAMTEX

A.G. Jones, M.R. Muller, M.P. Hamilton, M.P. Miensopust, C. Hogg, R.L. Evans, P. Cole, T. Ngwisanyi, D. Hutchins, C.J.S. Fourie, M. Doucoure, A. Mountford, W. Pettit, S. Webb, J. Wasborg, and The SAMTEX Team. SAMTEX: The electrical lithosphere of Southern Africa. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

A.G. Jones. Insights into Archean processes from deep ElectroMagnetic imaging: Preliminary results from the SAMTEX project. Invited seminar, U. Namibia, Windhoek, Namibia, 19 February 2008

A.G. Jones. Lithospheric-scale structures and geometries of cratons and their bounding belts in southern Africa from deep-probing electromagnetic studies: Implications for diamond exploration. Invited seminar, UCD, Dublin, 31 March 2008

A.G. Jones, and the SAMTEX team. Southern African lithospheric geometries deduced from electromagnetic imaging: the SAMTEX project. Contributed paper at: EUG 2008, Vienna, 14-18 April 2008

A.G. Jones, S. Fishwick, and the SAMTEX team. Comparison of seismic and electrical parameters for the lithosphere of Southern Africa. Contributed paper at: EUG 2008, Vienna, 14-18 April 2008

A.G. Jones, M.R. Muller, M.P. Hamilton, M.P. Miensopust, X. Garcia, R.L. Evans, P. Cole, T. Ngwisanyi, D. Hutchins, S. Fourie, S. Evans, A. Mountford, W. Pettit, and the SAMTEX, MT Team. The Southern African Magnetotelluric Experiment (SAMTEX) images the underbelly of southern Africa. Contributed paper at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

M.P. Hamilton, A.G. Jones, M.R. Muller, M.P. Miensopust, X. Garcia, R.L. Evans, P. Cole, T. Ngwisanyi, D. Hutchins, S. Fourie, S. Evans, A. Mountford, W. Pettit, and the SAMTEX, MT Team. The electrical anisotropy of the continental lithosphere: Methods of analysis and results for southern Africa. Contributed paper at: 33rd International Geological Congress, Oslo, Norway, 06-15 August 2008

M.R. Muller, A.G. Jones, S, Fishwick, C. Hatton, H. Grutter, R.L. Evans, X. Garcia1, M.P. Hamilton, M.P. Miensopust, J.E. Spratt, S.F. Evans, A. Mountford, W. Pettit, P. Cole, T. Ngwisanyi, D. Hutchins, C.J.S. Fourie, and the SAMTEX Team. Diamond prospectivity of the Rehoboth Terrane, southern Africa, based on integrated geophysical and geochemical constraints on its Proterozoic lithospheric structure and evolution. Contributed paper at: 9th International Kimberlite Conference, Frankfurt, Germany, 11-15 August 2008

PICASSO

J.-P. Schmoldt, A.G. Jones, C. Hogg1 and O. Rosell. PICASSO- Phase I: MT Investigation of the Betic-Rif mountain system. Comparison of actual robust processing algorithms. Contributed paper at: 19th EM Induction Workshop, Beijing, China, 23-29 October 2008

RAPIDS (Rockall and Porcupine Irish Deep Seismic) and PIMS (Porcupine Irish Margins)

B.M. O’Reilly, F. Hauser, P.W. Readman, J.S. Daly and R. Van den Berg. The Composition of the Earth’s Crust within the Irish Caledonides: A Seismic Perspective. 51st Irish Geological Research Meeting, UCD School of Geological Sciences, 29th February – 2nd March 2008

B.M. O’Reilly, F. Hauser, P.W. Readman, J.S. Daly and R. Van den Berg. Crustal Composition and Growth Processes in Ireland: Joint Constraints from Controlled Source Seismic and Lower Crustal Xenolith Data. 51st Irish Geological Research Meeting, UCD School of Geological Sciences 29th February – 2nd March 2008

F. Hauser, B.M. O’Reilly, P.W. Readman, J.S. Daly, R. Van den Berg. Constraints on crustal structure and composition within a continental suture zone from shear-wave wide-angle reflection data and lower crustal xenoliths: a case study from SW Ireland. Geophysical Research Abstracts, Vol. 10, EGU2008-A-11116, EGU General Assembly 2008.

ISLE (Irish Seismological Lithospheric Experiment)

P.W. Readman, V.C. Do, F. Hauser, B.M. O’Reilly. Studies of Seismic Anisotropy in the Irish Crust. 51st Irish Geological Research Meeting, UCD School of Geological Sciences 29th February – 2nd March 2008

J.P. O’Donnell, E. Daly, C. Tiberi, P.W. Readman, B.M. O’Reilly, F. Hauser. Joint inversion of seismic and gravity data onshore Ireland. Geophysical Research Abstracts, Vol. 10, EGU2008-A-03228, EGU General Assembly 2008.

LAPIS (La Palma Internal Structure)

Xavier Garcia, A.G. Jones, C. Hogg, J. Schmoldt and J. Spratt. Structure of an unstable, Atlantic Oceanic island volcano (La Palma, Canary Islands) from land magnetotelluric imaging. Contributed paper at: European Geosciences Union meeting, Vienna, Austria, 14-18 April, 2008.

Outreach

T. Blake, A.G. Jones. The DIAS Outreach Seismology in Schools (Seismeolaocht sa Scoil) Pilot Programme. Contributed paper at: Fall AGU, San Francisco, U.S.A., 15-19 December 2008.

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