Llorens, Maria Gema

Contact Information

Maria Gema Llorens

Contract Scientist (Juan de la Cierva - Incorporación)


Phone

+34 93 409 5410 ext.202

Email

Publications

Publications

 

Educational Background

  • 2015 PhD in Earth Sciences, University of Tübingen (Tübingen, Germany). Title: Numerical simulation of deformation microstructures and folds in polar ice and ductile rocks. Summa Cum Laude. Prize for the best PhD thesis in Geosciences 2015 at the University of Tübingen
  • 2006 MSc in Geology, Autonomous University of Barcelona (Barcelona, Spain)

Research experience and employment history

  • 2020-present. Juan de la Cierva-Incorporación research fellow, ICTJA-CSIC
  • 2018-2019. Juan de la Cierva-Formación, Autonomous University of Barcelona
  • 2016-2018. Postdoctoral research fellow. Excellence Initiative (DFG), University of Tübingen.
  • 2013-2016. PhD student (2013-2015) and Postdoctoral research fellow (2015-2016). University of Tübingen and Alfred Wegener Institute for Polar and Marine Research.
  • 2013-2015. Coordinator of the Micro-DICE (Mycrodinamics of Ice) Research Network. Funded by the European Science Foundation (ESF).
  • 2010-2012. Research assistant and PhD student. University of Tübingen.
  • 2006-2010. Structure and construction material quality control manager. Edificio Terminal UTE and FCC construcción.

 

Research Interests

  • Rock and ice microstructure and mechanics
  • Mineral physics
  • Recrystallisation
  • Deformation mechanisms
  • Ductile deformation
  • Mechanical and seismic anisotropy
  • Numerical modelling
  • Structural geology

 

Active Projects

  • 2019-2021. Unravelling the evolution of inverted basins and orogenic belts by structural geology, geophysics and sediment provenance analysis. Funded by the Spanish Ministry of Science, Innovation and Universities. Autonomous University of Barcelona, Spain

Past Projects

  • 2019-2019. GeoERA within the project: HotLime: Mapping and Assesment of Geothermal Plays in Deep Carbonate Rocks, funded by European Union's Horizon 2020 research and innovation programme. Contract between the Catalan Geological Survey and the University of Barcelona, Spain
  • 2018-2020. Ice sheets as a deck of cards: understanding mechanical anisotropy, University of Otago, New Zealand.
  • 2018-2019. Stretching ice to the limit: New flow laws for ice sheets, funded by the Marsden Fund Royal Society, University of Otago, New Zealand.
  • 2013-2016. The effect of deformation mechanisms for ice sheet dynamics, funded by the Helmholtz Association of German Research Centres. University of Tübingen and Alfred Wegener Institute for Polar and Marine Research.

 

Outreach and awards

Awards & mentions

  • Vice-President of the European Society for Deformation Mechanisms, Rheology and Tectonics (DRT)
  • PhD Summa Cum Laude.
  • Prize for the best PhD thesis in Geosciences 2015 at the University of Tübingen, Germany.
  • Prize for the best student poster presentation at the 18th International Conference on Deformation Mechanisms, Rheology and Tectonics (DRT 2011)

 


PUBLICATIONS

2020

PREVIOUS SELECTED PUBLICATIONS

2020:

Griera, A., Gomez-Rivas, E. and Llorens, M.-G. 2020. Influence of layer interface geometry on folding of single layers. Geological Society of London Special Publications, 487.

2019:

Llorens M-G. Stress and strain evolution during single-layer folding. 2019. Journal of Structural Geology, 126, 245-257

Llorens M-G, Gomez-Rivas E, Griera A, Roessiger J, Walte NP, Bons PD. 2019. The effect of dynamic recrystallisation on the rheology and microstructures of partially molten rocks. Journal of Structural Geology, 118, 224-235

Qi C, Prior DJ, Craw L, Fan S, Llorens M-G, Griera A, Negrini M, Bons PD and Goldsby DL. 2019. Crystallographic preferred orientations of ice deformed in direct-shear experiments at low temperatures. The Cryosphere, 13, 351-371

. de Riese T, Evans L, Gomez-Rivas E, Griera A, Lebensohn RA, Llorens M-G, Ran H, Sachau T, Weikusat I and Bons PD. 2019. Shear localisation in anisotropic materials: a numerical study. Journal of Structural Geology, 124, 81-90.

Piazolo S, Bons PD, Griera A, Llorens M-G, Gomez-Rivas E, Kowhn D, Wheeler J, Gardner R, Godinho JRA, Evans L, Lebensohn RA, Jessell MW. 2019. A review of numerical modelling of the dynamics of microstructural development in rocks and ice: Past, present and future. Journal of Structural Geology, 125, 111-123.

Ran H, de Riese T, Llorens M-G, Finch M, Evans L, Gomez-Rivas E , Griera A, Jessell MW, Lebensohn RA, Piazolo S, Bons PD. 2019. Time for anisotropy: The significance of mechanical anisotropy for the development of deformation structures. Journal of Structural Geology, 125, 41-47.

2018:

Gomez-Rivas E, Martín-Martín JD, Bons PD, Griera A, Yao S, Llorens M-G, and Travé A. 2018. Controls on convective fluid flow systems that result in the formation of massive diagenetic alterations. Advances in Science, Technology and Innovation. Springer, in press.

Bons PD, Kleiner T, Llorens M-G, Prior DJ, Sachau T, Weikusat I, Jansen D. 2018. Greenland Ice Sheet – Higher non-linearity of ice flow significantly reduces estimated basal motion.

Geophysical Research Letters, 45(13), 6542-6548.

Ran H, Bons PD, Wang G, Steinbach F, Finch M, Griera A, Gomez-Rivas E, Llorens M-G, Ran S, Liang X, and Zhou J. 2018. High-strain deformation of conglomerates: numerical modelling, strain analysis, and an example from the Wutai Mountains, North China Craton. Journal of Structural Geology, 114, 222-234.

Gomez-Rivas E, Griera A, Llorens M-G, Bons PD and Lebensohn RA. 2017. Subgrain rotation recrystallization during shearing: insights from full-field numerical simulations of halite polycrystals. Journal of Geophysical Research: Solid Earth, 122.11:8810-8827.

2017:

Llorens M-G, Griera A, Steinbach F, Jansen D, Bons PD, Roessiger J, Lebensohn RA and Weikusat I. 2017. Dynamic recrystallisation during polar ice sheet flow: insights from numerical simulations. Philosophical Transactions of the Royal Society A (invited contribution), 375: 20150346.

2016:

Steinbach F, Bons PD, Griera A, Jansen D, Llorens M-G, Roessiger J and Weikusat I. 2016. Strain localization and dynamic recrystallization in the ice-air aggregate: a numerical approach. The Cryosphere, 10, 3071-3089.

Llorens M-G, Griera A, Bons PD, Lebensohn R, Evans L, Jansen, D and Weikusat I. 2016. Full-field predictions of ice dynamic recrystallisation under simple shear conditions. Earth and Planetary Science Letters, 450, 233–242.

Bons PD, Jansen D, Mündel F, Bauer CC, Binder T, Eisen O, Jessell MW, Llorens M-G, Steinbach F, Steinhage D and Weikusat I. 2016. Converging flow and anisotropy cause large-scale folding in Greenland's ice sheet. Nature Communications, 7, 11427.

Jansen D, Llorens M-G, Westhoff J, Steinbach F, Kipfstuhl S, Bons PD, Griera A, and Weikusat I. Small-scale disturbances in the stratigraphy of the NEEM ice core. 2016. The Cryosphere, 10.1, 359-370.

Llorens M-G, Griera A, Bons PD, Roessiger J, Lebensohn R, Evans L, and Weikusat I. Dynamic recrystallization of ice aggregates during viscoplastic deformation: a numerical approach. 2016. Journal of Glaciology, 62(232), 359-377.

2015:

Gomez-Rivas E, Griera A and Llorens M-G. 2015. Fracturing of ductile anisotropic multilayers: influence of material strength. Solid Earth, 6, 497-514.

Griera A, Gomez-Rivas E, Llorens M-G, Bons PD and Lebensohn R. 2015. Microstructural evolution of polycrystalline materials in simple shear: insights from full-field numerical simulations. Geotectonic Research, 97, 37-39.

2014:

Llorens M-G, Bons PD, Griera A and Gomez-Rivas E. 2014. Mechanics of fold development in pure and simple shear. Mathematics of Planet Earth. Lecture Notes in Earth System Science 36, pp. 763-766. Springer.

2013:

Llorens M-G, Bons PD, Griera A and Gomez-Rivas E. 2013. When do folds unfold during progressive shear? Geology, 41, 563-566.

Griera A, Llorens M-G, Gomez-Rivas E, Bons PD, Jessell MW, Evans LA and Lebensohn R. 2013. Numerical modelling of porphyroclast and porphyroblast rotation in anisotropic rocks. Tectonophysics, 587, 4-29.

Llorens M-G, Bons, PD, Griera A, Gomez-Rivas E and Evans LA. 2013. Single layer folding in simple shear. Journal of Structural Geology, 50, 209-220.

 

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