andrea_tommasi publications.html

Andrea Tommasi

Articles

1992

Fernandes, L.A.D.; Tommasi, A. & Porcher, C.C. Deformation patterns in the Southern Brazilian branch of the Dom Feliciano belt: a reappraisal. Journal of South American Earth Sciences, 5: 76-84, 1992.

1994

Tommasi, A. ; Vauchez, A.; Fernandes, L.A.D. & Porcher, C.C. Orogen-parallel strike-slip faulting and synkinematic magmatism in the Dom Feliciano Belt, Southern Brazil. Tectonics, 13: 421-437, 1994. pdf
Vauchez, A.; Tommasi, A & Egydio da Silva, M. Self-indentation of a heterogeneous continental lithosphere. Geology, 22: 967-970, 1994.

1995

Tommasi, A; Vauchez, A. & Daudre, B. Initiation and propagation of shear zones in a heterogeneous continental lithosphere. Journal of Geophysical Research, 100: 22,083-22,101, 1995. pdf

1996

Tommasi, A.; Vauchez, A. & Russo, R. Seismic anisotropy in ocean basins: resistive drag of sublithospheric mantle? Geophysical Research Letters, 23: 2991-2994, 1996. pdf

1997

Tommasi, A & Vauchez, A. Complex tectono-metamorphic patterns in continental collision zones: The role of intraplate rheological heterogeneities. Tectonophysics, 279: 327-350, 1997. pdf
Vauchez, A.; Barruol, G. & Tommasi, A. Why do continents break up parallel to ancient orogenic belts? Terra Nova, 9: 62-66, 1997.
Vauchez, A.; Neves, S.P. & Tommasi, A. Shear zones and magma emplacement: Insights from strike-slip shear zones of Brazil. In: Granite: from melt segregation to emplacement fabrics. J.L.Bouchez, D. Hutton, W.E. Stephens, (eds.). Dordrecht: Kluwer Academic Publishers, p. 275-293, 1997.

1998

Tommasi, A. Forward modeling of the development of seismic anisotropy in the upper mantle. Earth and Planetary Science Letters, 160:1-13, 1998. pdf
Vauchez, A., Tommasi, A. & Barruol, G. Rheological heterogeneity, mechanical anisotropy, and tectonics of the continental lithosphere. Tectonophysics, 296: 61-86, 1998. pdf

1999

Tommasi, A , Tikoff, B. & Vauchez, A. Upper mantle tectonics: Three-dimensional deformation, olivine crystallographic fabrics and seismic properties. Earth and Planetary Science Letters, 168: 173-186, 1999. pdf
Rumpker, G.; Tommasi, A & Kendall, J.-M. Numerical simulations of depth-dependent anisotropy and frequency-dependent wave propagation effects. Journal of Geophysical Research,104: 23,141-23,154, 1999. pdf
Silver, P.G.; Mainprice, D.; Ben Ismaïl, W.; Tommasi, A.; and Barruol, G. Mantle structural geology from seismic anisotropy. In: Mantle Petrology : Field observations and high pressure experimentation: A tribute to Francis R. (Joe) Boyd. Fei, Y.; Bertka, C.M.; Mysen, B.O. (eds) The Geochemical Society Special Publication, 6: 79-103, 1999.pdf
Braun, J.; Chery, J.; Poliakov, A.; Mainprice, D.; Vauchez, A.; Tommasi, A. & Daignières, M. A simple parameterization of strain localization in the ductile regime. Journal of Geophysical Research, 104: 25,167-25,182, 1999.pdf

2000

Tommasi, A; Mainprice, D., Canova, G. & Chastel, Y. Viscoplastic self-consistent and equilibrium-based modeling of olivine lattice preferred orientations. Implications for the upper mantle seismic anisotropy. Journal of Geophysical Research, 105: 7893-7908, 2000. pdf
Raymer, D., Tommasi, A. & Kendall, J.-M. Predicting the seismic implications of salt anisotropy using numerical simulations of halite deformation. Geophysics, 65(4): 1272-1280, 2000. pdf
Vauchez, A., Tommasi, A., Barruol, G. and Maumus, J. Upper mantle deformation and seismic anisotropy in continental rifts. Physics and Chemistry of the Earth (A), 25 (2): 111-117, 2000. pdf

2001

Tommasi, A. and Vauchez, A. Continental rifting parallel to ancient collisional belts: An effect of the mechanical anisotropy of the lithospheric mantle. Earth Planet. Sci. Lett. 185 (1/2): 199-210, 2001. pdf
Tommasi, A., Gibert, B., Seipold, U. and Mainprice, D. Anisotropy of thermal diffusivity in the upper mantle. Nature, 411: 783-786, 2001. pdf

2002

Bascou, J., Tommasi, A., & Mainprice, D. Plastic deformation and development of clinopyroxene lattice preferred orientations in eclogites. J. Struct. Geol., 24: 1357-1368, 2002. pdf
Barruol, G., D. Bosch, V. Clouard, E. Debayle, M.P. Doin, F. Fontaine, M. Godard, F. Masson, A. Tommasi, and C. Thoraval, PLUME investigates the South Pacific Superswell, Eos, 83(45): 511-514, 2002.

2003

Gibert, B., Seipold, U., Tommasi , A. & Mainprice, D. Upper mantle thermal diffusivity: pressure- and temperature dependences and anisotropy. J. Geophys. Res., 108(B8), 2359, doi:10.1029/2002JB002108, 2003.(pdf)
Gibert, B., Schilling, F., Tommasi , A. & Mainprice, D. Thermal diffusivity of olivine single-crystals and polycrystalline aggregates at ambient conditions – a comparison. Geophys.Res.Lett.,30, doi: 10.1029/2003GL018459, 2003.(pdf)
Kaminski, E. & Tommasi, A. Quand l'anisotropie sismique devoile les ecoulements dans le manteau terrestre. Bull. Soc. Francaise de Physique, 140:6-9, 2003. (pdf)
Vauchez, A. & Tommasi, A. Wrench faults down to the asthenosphere: Geological and geophysical evidence and thermo-mechanical effects. In: Storti, F. Holdsworth, R.E. & Salvini, F. (eds) Intraplate Strike-Slip Deformation Belts, Geol. Soc. London Spec. Publ., 210, 15-34, 2003.(pdf)

2004

Tommasi A., Godard M., Coromina G., Dautria J.M. & Barsczus H. Seismic anisotropy and compositionally-induced velocity anomalies in the lithosphere above mantle plumes: A petrological and microstructural study of mantle xenoliths from French Polynesia. Earth Planet. Sci. Lett., 227(3-4): 539-556, 2004. (pdf)
Tommasi A., Mainprice, D., Cordier, P., Thoraval, C. & Couvy, H. Strain-induced seismic anisotropy of wadsleyite polycrystals and flow patterns in the mantle transition zone. J. Geophys.Res., 109: 10.1029/2004JB0003158, 2004. (pdf) (actualites INSU)
Mainprice, D., Bascou, J., Cordier, P. & Tommasi, A. Crystal preferred orientations of garnet: comparisons of numerical simulations and naturally deformed eclogites. J. Struct. Geol., 26: 2089-2102, 2004. (pdf)
Tikoff, B., Russo, R., Teyssier, C. & Tommasi, A. Mantle-driven deformation of orogenic zones and clutch tectonics. In: J. Grocott, K. McCaffrey, G. Taylor & B. Tikoff (eds) Vertical and horizontal decoupling in the lithosphere. Geol. Soc. London Spec. Publ., 227: 41-64, 2004. (pdf)
Tommasi, A. L'analyse EBSD en Sciences de la Terre. In: L'analyse EBSD: principes et methodes. Edite par le Groupement National de Microscopie Electronique a Balayage et de Microanalyse de la Societe Francaise de Physique. Paris: EDP Sciences, 171-174, 2004.

2005

Mainprice, D.; Tommasi A., Couvy, H., Cordier, P. & Frost, D.J. 2005 Pressure sensitivity of olivine slip systems and seismic anisotropy in the Earth’s upper mantle. Nature, 433: 731-733; doi:10.1038/nature03266.(pdf) (actualites INSU)
Simpson, F. & Tommasi, A. Hydrogen diffusivity and electrical anisotropy of a peridotite mantle. Geophys. J. Intern., 160-1092-1102.(pdf)
Gibert, B., Schilling F., Gratz, K. & Tommasi , A. 2005. Radiative heat transfer in olivine crystals and upper mantle rocks. Phys. Earth. Planet. Inter., 151: 129-141, doi:10.1016/j.pepi.2005.02.003 (pdf)
Duclos, M.; Savage, M. K.; Tommasi, A. & Gledhill, K. R. 2005. Mantle tectonics beneath New Zealand inferred from SKS splitting and petrophysics. Geophys. J. Intern., 163: 760-774. (pdf)
Cordier, P.; Barbe, F.; Durinck, J.; Tommasi A. & Walker, A. 2005. Plastic deformation of mantle minerals: Multiscale numerical modelling. In: Mineral behaviour at extreme conditions, R. Miletich (ed.), European Mineralogical Union, Notes in Mineralogy, vol. 7, chapter 16: 389-415 (pdf)

2006

Tommasi, A., Vauchez, A., Godard, M., Belley, F. (2006) Deformation and melt transport in a highly depleted peridotite massif from the Canadian Cordillera: Implications to seismic anisotropy above subduction zones. Earth Planet. Sci. Lett., 252: 245-259, doi:10.1016/j.epsl.2006.09.042 (pdf)
Carrez, Ph., Cordier, P., Mainprice, D., Tommasi A., (2006) Slip systems and plastic shear anisotropy in Mg₂SiO₄ ringwoodite: Insights from numerical modelling. European J. Miner.18: 149-160 (pdf)
Gatzemeier, A. & Tommasi, A. (2006) Plastic deformation, olivine crystal preferred orientations and intrinsic electrical anisotropy of upper mantle rocks: numerical modelling constraints. Phys. Earth Planet. Inter., 158: 92-106, doi:10.1016/j.pepi.2006.01.009 (pdf)
Thoraval, C., Tommasi, A. & Doin, M.P. (2006) Plume-lithosphere interactions beneath a fast-moving plate. Geophys. Res. Lett., 33, L01301, doi:10.1029/2005GL024047 (pdf)

2007

Fontaine, F., Barruol, G., Tommasi, A., Bokelmann, G. (2007) Upper mantle flow beneath French Polynesia from shear-wave splitting. Geophys. J. Intern., doi:10.1111/j.1365-246X.2007.03475.x (pdf)
Le Roux, V., Bodinier, J.L, Tommasi, A., Alard, O., Dautria, J.M., Vauchez, A. & Riches, A. (2007) The Lherz spinel-lherzolite: refertilized rather than pristine mantle. Earth Planet. Sci. Lett., 259: 599-612 doi: 10.1016/j.epsl.2007.05.026 (pdf) (actualites INSU)
Savage, M., Tommasi, A., Ellis, S. Chery, J. (2007) Modeling strain and anisotropy along the Alpine fault, South Island, New Zealand. In: A Continental Plate Boundary: Tectonics at South Island, New Zealand. D. Okaya, T. Stern & F. Davey (eds.), American Geophysical Union, Geophysical Monograph Series, Vol.175: 289-305.
Vauchez, A. Egydio-Silva, M., Babinski, M., Tommasi, A., Uhlein, A., Li, D. (2007) Deformation of a pervasively molten middle-crust: Insights from the neoproterozoic Ribeira-Araçuaí orogen (SE Brazil). Terra Nova,19: 278-286, doi: 10.1111/j.1365-3121-2007.00747.x (pdf)

2008

Tommasi A., Vauchez, A. & Ionov, D.A. (2008) Deformation, static recrystallization, and reactive melt transport in shallow subcontinental mantle xenoliths (Tok Cenozoic volcanic field, SE Siberia). Earth Planet. Sci. Lett., 272: 65-77, doi: 10.1016/j.epsl.2008.04.020 (pdf)
Tommasi A. & Mainprice, D. (2008) Comment on the article "Probability of radial anisotropy in the deep mantle" by Visser et al. (2008) EPSL 270:241-250 Earth Planet. Sci. Lett., doi: 10.1016/j.epsl.2008.07.061 (pdf)
Falus, G., Tommasi, A, Ingrin, J. & Csaba, S. (2008) Deformation and seismic anisotropy of the lithospheric mantle in the southeastern Carpathians: a mantle xenolith study. Earth Planet. Sci. Lett., 272: 50-64, doi:10.1016/j.epsl.2008.04.035 (pdf)
Le Roux V, Tommasi A, Vauchez A. (2008) Feedback between deformation and melt percolation in an exhumed lithosphere-asthenosphere boundary. Earth Planet. Sci. Lett., doi:10.1016/j.epsl.2008.07.053 (pdf)
Mainprice, D.; Tommasi A, Ferre, D., Carrez, Ph. & Cordier, P. (2008) Predicted slip systems and crystal preferred orientation of polycrystalline silicate Mg-Perovskite at mantle pressures: Implications for the seismic anisotropy of the lower mantle. Earth Planet. Sci. Lett., 271: 135-144, doi: 10.1016/j.epsl.2008.03.058 (pdf)
Neves, S.P., Tommasi, A & Vauchez, A. (2008) Intraplate continental deformation: Influence of a heat-producing layer in the lithospheric mantle. Earth Planet. Sci. Lett., doi: 10.1016/j.epsl.2008.07.040 (pdf)
Padron-Navarta J. A., Garrido C.J., Sanchez-Navas A., Tommasi A., Sanchez-Vizcaino V.L.,Gomez-Pugnaire M. T., and Hussain S.S. (2008) Oriented growth of garnet by topotactic reactions and epitaxy in high-pressure, mafic garnet granulite formed by dehydration melting of metastable hornblende-gabbronorite (Jijal Complex, Kohistan Complex, N. Pakistan) J. Metamorphic Petrol., doi:10.1111/j.1525-1314.2008.00789.x (pdf)

2009

Tommasi, A.; Knoll, M.; Vauchez, A.; Signorelli, J.; Thoraval, C. & Loge, R. (2009) Structural reactivation in plate tectonics controlled by olivine crystals anisotropy. Nature Geoscience, 2: 423-427, DOI: 10.1038/NGEO528 (pdf) (suppl.material)(actualites INSU)
Knoll, M.; Tommasi, A.; Signorelli, J.; Loge, R. (2009) A multi-scale numerical approach to model the deformation of anisotropic lithospheric plates. Geochem. Geophys. Geosyst., 10: Q08009, doi:10.1029/2009GC002423. (pdf)
Soustelle, V., Tommasi, A., Bodinier, J.L, Vauchez, A. & Garrido, C.J.M. (2009) Deformation and reactive melt transport in the mantle lithosphere above a partial melting domain (Ronda peridotite massif, Spain). J. Petrol., 50: 1235-1266; doi:10.1093/petrology/egp032. (pdf)

In press

Soustelle, V., Tommasi, A., Demouchy, S., Ionov, D. Deformation and fluid-rock interactions in the supra-subduction mantle: Microstructures and water contents in peridotite xenoliths from the Avacha Volcano, Kamchatka. J. Petrol., accepted
Arndt, N.T., Guitreau, M., Boullier, A.-M., le Roex, A., Tommasi A., Cordier, P. & Sobolev, A. Olivine and the origin of kimberlite. J. Petrol., accepted

In revision

Falus, G & Tommasi A. Effect of dynamic recrystallization on olivine crystal preferred orientations. J. Struct. Geol., accepted with minor revision in July 2009

Citations (ISI Web of Science): http://www.researcherid.com/rid/A-7507-2008

Articles in brazilian journals (in portuguese)

1988

Fernandes, L.A.D.; Tommasi, A.; Porcher, C.C.; Marques-Toigo, M.; Guerra-Sommer, M. & Picolli, A.E.M. (1988) Mapa geologico de parte das Folhas de Quiteria - Varzea do Capivarita. Universidade Federal do Rio Grande do Sul - serie mapas, 14: 1-7.

1990

Fernandes, L.A.D.; Tommasi, A. & Porcher, C.C. (1990) Contribuicao a geologia estrutural de parte do Batolito Pelotas - Regiao de Quiteria - Capivarita. Acta Geol. Leopoldensia, publicacao especial 6, 117-136.

1992

Tommasi, A. ; Fernandes, L.A.D.; Porcher, C.C. & Vauchez, A. (1992) Evolucao cinematica das porcoes internas do Cinturao Dom Feliciano, Regiao de Piratini, RS. Pesquisas, 19: 143-154.
Fernandes, L.A.D.; Tommasi, A.; Porcher, C.C.; Koester, E.; Kraemer, G.; Scherer, C.M. & Menegat, R. (1992) Geologia e geoquimica dos granitoides brasilianos precoces do Cinturao Dom Feliciano, uma discussao com base em dados de geoquimica. Pesquisas, 19: 195-215.

1993

Fernandes, L.A.D.; Tommasi, A.; Vauchez, A.; Porcher, C.C.; Menegat, R. & Koester, E. (1993) Zona de cisalhamento transcorrente Dorsal de Cangucu: caracterizacao e importancia na compartimentacao tectonica do Cinturao Dom Feliciano. Revista Brasileira de Geociencias. 23(3): 1-10.
Trompettte, R.; Egydio-Silva, M.; Tommasi, A.; Vauchez, A. & Ulhein, A. (1993) A aglutinacao do Gondwana Ocidental no Panafricano-Brasiliano e o papel da geometria do Craton do Sao Francisco na arquitetura da Faixa Ribeira.Revista Brasileira de Geociencias, 23(3): 187-193.

1994

Tommasi, A. ; Fernandes, L.A.D.; Pinheiro Machado, R.; Kramer, G. & Koester, E. (1994) Incorporacao de lascas do manto a crosta continental nas porcoes externas do Cinturao Dom Feliciano - evidencias de uma zona de cisalhamento de escala litosferica. Pesquisas, 21: 79-84.

1995

Fernandes, L.A.D.; Menegat, R.; Costa, A.F.U.; Koester, E.; Porcher, C.C. ; Tommasi, A.; Kraemer, G.; Ramgrab, G.E. & Camozatto, E. (1995) Evolucao tectonica do Cinturao Dom Feliciano no Escudo Sul-riograndense. Parte I: Uma contribuicao a partir do registro geologico. Revista Brasileira de Geociencias, 25(4): 351-374.
Fernandes, L.A.D.; Menegat, R.; Costa, A.F.U.; Koester, E.; Porcher, C.C. ; Tommasi, A.; Kraemer, G.; Ramgrab, G.E. & Camozatto, E. (1995) Evolucao tectonica do Cinturao Dom Feliciano no Escudo Sul-riograndense. Parte II: Uma contribuicao a partir das assinaturas geofisicas. Revista Brasileira de Geociencias, 25(4): 375-384.

1996

Fernandes, L.A.D.; Kraemer, G.; Tommasi, A.; Porcher, C.C.; Costa, A.F.U.; Menegat, R. & Koester, E. (1996) Evolucao tectonica do pre-Cambriano na regiao de Lavras do Sul. Pesquisas, 23: 79-84

1997

Koester, E.; Soliani-Jr, E.; Fernandes, L.A.D.; Kraemer, G.; Tommasi, A. (1997) Geocronologia Rb/ Sr e K/ Ar dos granitoides sintectonicos a zona de cisalhamento transcorrente Dorsal de Cangucu na regiao de Encruzilhada do Sul (RS) Pesquisas, 24: 67-77