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Publications

  1. Lexa, O. & Bezák, V., 1996. Porphyric granitoids in the western part of the Slovenske rudohorie Mts.: Emplacement and deformation in shear zones. Slov. Geol. Mag., 3-4, 189-197.
  2. Madarás, J., Hók, J., Siman, P., Bezák, V., Ledru, P. & Lexa, O., 1996. Extension tectonics and exhumation of crystalline basement of the Veporicum unit (Central Western Carpathians). Slov. Geol. Mag., 3-4, 179-183.
  3. Lexa, O. & Schulmann, K., 1999. Cretaceous evolution of the Variscan basement of the SE Western Carpathians: Combination of continental underthrusting and indentation tectonics. Geologica Carpathica, 50, 119-120.
  4. Nemčok, M., Konečný, P. & Lexa, O., 2000. Calculations of tectonic, magmatic and residual stress in the Stiavnica stratovolcano, Western Carpathians: Implications for mineral precipitation paths. Geologica Carpathica, 51(1), 19-36.
  5. Konopásek, J., Schulmann, K. & Lexa, O., 2001. Structural evolution of the central part of the Krusne hory (Erzgebirge) Mountains in the Czech Republic - evidence for changing stress regime during Variscan compression. Journal of Structural Geology, 23(9), 1373-1392. DOI: 10.1016/S0191-8141(01)00003-7
  6. Schulmann, K., Thompson, A. B., Lexa, O. & Ježek, J., 2003. Strain distribution and fabric development modeled in active and ancient transpressive zones. Journal of Geophysical Research-Solid Earth, 108(B1), 2023, doi:10.1029/2001JB000632. DOI: 10.1029/2001JB000632
  7. Lexa, O., Schulmann, K. & Ježek, J., 2003. Cretaceous collision and indentation in the West Carpathians: View based on structural analysis and numerical modeling. Tectonics, 22(6), 1066, doi:10.1029/2002TC001472. DOI: 10.1029/2002TC001472
  8. Konopásek, J., Schulmann, K. & Lexa, O., 2003. Reply to comments by A. Krohe and A.P. Willner on “Structural evolution of the central part of the Krusne Hory (Erzgebirge) Mountains in the Czech Republic–evidence for changing stress regime during Variscan compression”. Journal of Structural Geology, 25(6), 1005-1007. DOI: 10.1016/S0191-8141(02)00063-9
  9. Lexa, O., Cosgrove, J. W. & Schulmann, K., 2004. Apparent shear-band geometry resulting from oblique fold sections. Journal of Structural Geology, 26(1), 155-161. DOI: 10.1016/S0191-8141(03)00072-5
  10. Engelder, T., Schulmann, K. & Lexa, O., 2004. Indentation pits: a product of incipient slip on joints with a mesotopography. In: The Initiation, Propagation, and Arrest of Joints and Other Fractures (eds Cosgrove, J. W. & Engelder, T.) Geological Society Special Publications, pp. 315, Geological Society of London, London.
  11. Baratoux, L., Lexa, O., Cosgrove, J. W. & Schulmann, K., 2005. The quantitative link between fold geometry, mineral fabric and mechanical anisotropy: as exemplified by the deformation of amphibolites across a regional metamorphic gradient. Journal of Structural Geology, 27(4), 707-730. DOI: 10.1016/j.jsg.2005.01.001
  12. Baratoux, L., Schulmann, K., Ulrich, S. & Lexa, O., 2005. Contrasting microstructures and deformation mechanisms in metagabbro mylonites contemporaneously deformed under different temperatures (c. 650 and c. 750 °C). In: Deformation Mechanisms, Rheology and Tectonics: from Minerals to the Lithosphere (eds Gapais, D., Brun, J. P. & Cobbold, P. R.) Geological Society Special Publications, pp. 97-125, Geological Society of London, London, United Kingdom.
  13. Lexa, O., Štípská, P., Schulmann, K., Baratoux, L. & Kröner, A., 2005. Contrasting textural record of two distinct metamorphic events of similar P-T conditions and different durations. Journal of Metamorphic Geology, 23(8), 649-666. DOI: 10.1111/j.1525-1314.2005.00601.x
  14. Schulmann, K., Kröner, A., Hegner, E., Wendt, I., Konopásek, J., Lexa, O., Štípská, P., 2005: Chronological constraints on the pre-orogenic history, burial and exhumation of deep-seated rocks along the eastern margin of the Variscan orogen, Bohemian massif, Czech Republic. American Journal of Science, 305, 407-448. DOI: 10.2475/ajs.305.5.407
  15. Franěk, J., Schulmann, K. & Lexa, O., 2006. Kinematic and rheological model of exhumation of high pressure granulites in the Variscan orogenic root: example of the Blanský les granulite, Bohemian Massif, Czech Republic. Mineralogy and Petrology, 86(3-4), 253-276. DOI: 10.1007/s00710-005-0114-4
  16. Racek, M., Štípská, P., Pitra, P., Schulmann, K. & Lexa, O., 2006. Metamorphic record of burial and exhumation of orogenic lower and middle crust: a new tectonothermal model for the Drosendorf window (Bohemian Massif, Austria). Mineralogy and Petrology, 86(3-4), 221-251. DOI: 10.1007/s00710-005-0111-7
  17. Hurai, V., Urban, M., Konečný, P., Thomas, R., Lexa, O., Schullmann, K. & Chovan, M, 2006. Cretaceous age of quarz-stibnite veins near Čučma (Spišsko-gemerské rudohorie Mts.), Mineralia Slovaca, 38, 2, 131-140.
  18. Závada, P., Schulmann, K., Konopásek, J., Ulrich, S. & Lexa, O., 2007. Extreme ductility of feldspar aggregates—Melt-enhanced grain boundary sliding and creep failure: Rheological implications for felsic lower crust. Journal of Geophysical Research, B, Solid Earth and Planets, 112, B10210, doi:10.1029/2006JB004820. DOI: 10.1029/2006JB004820
  19. Jeřábek, P., Stunitz, H., Heilbronner, R., Lexa, O. & Schulmann, K., 2007. Microstructural-deformation record of an orogen-parallel extension in the Vepor Unit, West Carpathians. Journal of Structural Geology, 29(11), 1722-1743. DOI: 10.1016/j.jsg.2007.09.002/
  20. Hasalová, P., Schulmann, K., Lexa, O., Štípská, P., Hrouda, F., Ulrich, S., Haloda, J. & Týcová, P., 2008. Origin of migmatites by deformation enhanced melt infiltration of orthogneiss: a new model based on quantitative microstructural analysis. Journal of Metamorphic Geology, 26(1), 29-53. DOI: 10.1111/j.1525-1314.2007.00743.x
  21. Hasalová, P., Štípská, P., Powell, R., Schulmann, K. Janoušek, V. & Lexa, O., 2008. Transforming mylonitic metagranite by open-system interactions during melt flow. Journal of Metamorphic Geology, 26, 55-80. DOI: 10.1111/j.1525-1314.2007.00744.x
  22. Schulmann, K., Lexa, O., Štípská, P., Racek, M., Tajčmanová, L., Konopásek, J., Edel, J-B., Peschler, A. & Lehmann, J., 2008. Vertical extrusion and horizontal channel flow of orogenic lower crust: key exhumation mechanisms in large hot orogens?, Journal of Metamorphic Geology, 26(2), 273-297. DOI: 10.1111/j.1525-1314.2007.00755.x
  23. Jeřábek, P., Faryad, W. S., Schulmann, K., Lexa, O. & Tajčmanová, L., 2008. Alpine burial and heterogeneous exhumation of Variscan crust in the West Carpathians: insight from thermodynamic and argon diffusion modelling. Journal of Geological Society, 165, 479-498. DOI: 10.1144/0016-76492006-165
  24. Hurai, V., Prochaska, W., Lexa, O., Schulmann, K., Thomas, R. & Ivan, P., 2008. High-density nitrogen inclusions in barite from a giant siderite vein: implications for Alpine evolution of the Variscan basement of Western Carpathians, Slovakia, Journal of Metamorphic Geology, 26, 487–498. DOI: 10.1111/j.1525-1314.2008.00775.x
  25. Hurai, V., Lexa, O., Schulmann, K., Montigny, R., Prochaska, W., Frank, W., Konečný, P., Kráľ, J., Thomas, R. & Chovan, M., 2008. Mobilization of ore fluids during Alpine metamorphism: evidence from hydrothermal veins in the Variscan basement of Western Carpathians, Slovakia, Geofluids, 8, 3, 181-207. DOI: 10.1111/j.1468-8123.2008.00216.x
  26. Schulmann, K., Martelat, J-E., Ulrich, S., Lexa, O., Štípská, P. & Becker, J.K., 2008. Evolution of microstructure and melt topology in partially molten granitic mylonite: Implications for rheology of felsic middle crust, Journal of Geophysical Research, B, Solid Earth and Planets, 113, B10406, doi:10.1029/2007JB005508. DOI: 10.1029/2007JB005508
  27. Schulmann, K., Konopásek, J., Janoušek, V., Lexa O., Lardeaux, J-M., Edel, J-B., Štípská, P. & Ulrich, S., 2009. An Andean type Palaeozoic convergence in the Bohemian Massif, Comptes Rendus - Geoscience, 341, 2-3, 266-286. DOI:10.1016/j.crte.2008.12.006
  28. Schulmann, K., Edel, J-B., Hasalová, P., Cosgrove, J.,Ježek, J. & Lexa, O., 2009. Influence of melt induced mechanical anisotropy on the magnetic fabrics and rheology of deforming migmatites, Central Vosges, France, Journal of Structural Geology, 31, 10, 1223-1237. 10.1016/j.jsg.2009.07.004
  29. Závada, P., Schulmann, K., Lexa, O., Hrouda F., Haloda, J. & Týcová, P., 2009. The mechanism of flow and fabric development in mechanically anisotropic trachyte lava, Journal of Structural Geology, 31, 11, 1295-1307. DOI:10.1016/j.jsg.2009.04.002
  30. Kratinová, Z., Ježek J., Schulmann K., Hrouda F., Shail R. K. & Lexa, O., 2010. Noncoaxial K-feldspar and AMS subfabrics in the Land's End granite, Cornwall: Evidence of magmatic fabric decoupling during late deformation and matrix crystallization, Journal of Geophysical Research, B, Solid Earth and Planets, 115, B09104, DOI:10.1029/2009JB006714
  31. Hurai, V., Chovan, M., Huraiová, M., Koděra, P., Konečný, P. and Lexa, O., 2010. Slovak Ore Mountains: Origin of hydrothermal mineralization and environmental impacts of mining, Acta Mineralogica-Petrographica, 28, 1-36.
  32. Štípská, P., Schulmann, K. Lehmann, J., Corsini, M., Lexa, O. & Tomurhuu, D., 2010. Early Cambrian eclogites in SW Mongolia: evidence that the Palaeo-Asian Ocean suture extends further east than expected. Journal of Metamorphic Geology, 28(9), 915-933. DOI: 10.1111/j.1525-1314.2010.00899.x
  33. Kröner, A., Lehmann,J., Schulmann, K., Demoux, A., Lexa, O., Tomurhuu, D., Štípská, P., Liu, D. & Wingate, W.T.D., 2010. Lithostratigraphic and geochronilogical constraints on the evolution of the Central Asian orogenic belt in SW Mongolia: Early Paleozoic rifting followed by Late Paleozoic accretion, American Journal of Science, 310, 523-574. DOI:10.2475/07.2010.01
  34. Lehmann,J., Schulmann, K., Lexa, O., Corsini, M., Kröner, A., Štípská, P., Tomurhuu, D. & Otgonbator, D., 2010. Structural constraints on the evolution of the Central Asian orogenic belt in SW Mongolia, American Journal of Science, 310, 575-628. DOI:10.2475/07.2010.02
  35. Franěk, J., Schulmann, K., Lexa, O., Tomek, Č. & Edel, J.-B., 2011. Model of syn-convergent extrusion of orogenic lower crust in the core of the Variscan belt: implications for exhumation of high-pressure rocks in large hot orogens, Journal of Metamorphic Geology, 29, 1, 53-78. DOI:10.1111/j.1525-1314.2010.00903.x
  36. Franěk, J., Schulmann, K., Lexa, O., Ulrich, S., Štípská, P., Haloda, J. & Týcová, P., 2011. Origin of felsic granulite microstructure by heterogeneous decomposition of alkali feldspar and extreme weakening of orogenic lower crust during the Variscan orogeny, Journal of Metamorphic Geology, 29, 1, 103-130. DOI:10.1111/j.1525-1314.2010.00911.x
  37. Lexa, O., Schulmann, K., Janoušek, V., Štípská, P., Guy, A. & Racek, M., 2011. Heat sources and trigger mechanisms of exhumation of HP granulites in Variscan orogenic root, Journal of Metamorphic Geology, 29, 1, 79-102. DOI:10.1111/j.1525-1314.2010.00906.x
  38. Guy, A., Edel, J-B., Schulmann, K., Tomek, Č. & Lexa, O., 2011. A geophysical model of the Variscan orogenic root (Bohemian Massif): Implications for modern collisional orogens, Lithos, 124, 1-2, 144-157. DOI:10.1016/j.lithos.2010.08.008
  39. Skrzypek, E., Štípská, P., Schulmann, K., Lexa, O. & Lexová, M., 2011. Prograde and retrograde metamorphic fabrics - a key for understanding burial and exhumation in orogens (Bohemian Massif), Journal of Metamorphic Geology, 29, 4, 451-472. DOI:10.1111/j.1525-1314.2010.00924.x
  40. Skrzypek, E., Schulmann, K., Štípská, P., Chopin, F., Lehmann, J., Lexa, O. & Haloda, J. 2011. Tectono-metamorphic history recorded in garnet porphyroblasts: insights from thermodynamic modelling and electron backscatter diffraction analysis of inclusion trails, Journal of Metamorphic Geology, 29, 4, 473-496. DOI:10.1111/j.1525-1314.2010.00925.x
  41. Závada, P., Dědeček, P., Mach, K., Lexa, O. & Potužák, M., 2011. Emplacement dynamics of phonolite magma into maar-diatreme structures — Correlation of field, thermal modeling and AMS analogue modeling data, Journal of Volcanology and Geothermal Research, 201, 1-4, 210-226. DOI:10.1016/j.jvolgeores.2010.07.012
  42. Štípská, P., Chopin, F., Skrzypek, E., Schulmann, K., Pitra, P, Lexa, O., Martelat, J.E., Bollinger, C. & Žáčková, E., 2012. The juxtaposition of eclogite and mid-crustal rocks in the Orlica–Śnieżnik Dome, Bohemian Massif. Journal of Metamorphic Geology, 30, 2, 213–234. DOI:10.1111/j.1525-1314.2011.00964.x
  43. Chopin, F., Schulmann, K., Skrzypek, E., Lehmann, J., Dujardin, J.R., Martelat, J. E., Lexa, O., Corsini, M., Edel, J.B., Štípská, P. & Pitra, P., 2012. Crustal influx, indentation, ductile thinning and gravity redistribution in a continental wedge: Building a Moldanubian mantled gneiss dome with underthrust Saxothuringian material (European Variscan belt), Tectonics, 31, TC1013, doi:10.1029/2011TC002951 DOI:10.1029/2011TC002951
  44. Závada, P., Desbois, G., Schwedt, A., Lexa, O. & Urai, J.L., 2012. Extreme ductile deformation of fine-grained salt by coupled solution-precipitation creep and microcracking: microstructural evidence from perennial Zechstein sequence (Neuhof salt mine, Germany), Journal of Structural Geology, 37, 89-104. DOI:10.1016/j.jsg.2012.01.024
  45. Chopin, F., Schulmann, K., Štípská, P., Martelat, J.E., Pitra, P., Lexa, O. & Petri, B., 2012. Microstructural and metamorphic evolution of a high-pressure granitic orthogneiss during continental subduction (Orlica–Śnieżnik dome, Bohemian Massif), Journal of Metamorphic Geology, 30, 4, 347-376. DOI:10.1111/j.1525-1314.2011.00970.x
  46. Maierová, P., Čadek, O., Lexa, O. & Schulmann, K., 2012. A numerical model of exhumation of the orogenic lower crust in the Bohemian Massif during the Variscan orogeny, Studia Geophysica et Geodaetica, 56, 2, 595-619. DOI: 10.1007/s11200-011-0455-x
  47. Jeřábek, P., Lexa, O., Schulmann, K. & Plašienka, D., 2012. Inverse ductile thinning via lower crustal flow and fold-induced doming in the West Carpathian Eo-Alpine collisional wedge, Tectonics, 31, TC5002, doi:10.1029/2012TC003097. DOI: 10.1029/2012TC003097
  48. Bukovská, Z., Jeřábek, P., Lexa, O., Konopásek, J., Janák, M. & Košler, J., 2013. Kinematically unrelated C–S fabrics: an example of extensional shear band cleavage from the Veporic Unit (Western Carpathians), Geologica Carpathica, 64, 2, 103-116. DOI: 10.2478/geoca-2013-0007
  49. Lehmann, J., Schulmann, K., Edel, J.–B., Ježek, J., Hrouda, F., Lexa, O. & Chopin, F., 2013, Structural and anisotropy of magnetic susceptibility records of granitoid sheets emplacement during growth of a continental gneiss dome (Central Sudetes, European Variscan Belt), Tectonics, 32, doi:10.1002/tect.20028. DOI: 10.1002/tect.20028
  50. Staněk, M., Géraud, Y., Lexa, O., Špaček, P., Ulrich, S. & Diraison, M., 2013. Elastic anisotropy and pore space geometry of schlieren granite: direct 3-D measurements at high confining pressure combined with microfabric analysis, Geophysical Journal International, 194, 1, 383-394. DOI: 10.1093/gji/ggt053
  51. Guy, A., Schulmann, K., Clauer, N., Hasalová, P., Seltmann, R., Armstrong, R., Lexa, O. & Benedicto, A., 2014. Late Paleozoic–Mesozoic tectonic evolution of the Trans-Altai and South Gobi Zones in southern Mongolia based on structural and geochronological data, Gondwana Research, 25, 1, 309-337. DOI: 10.1016/j.gr.2013.03.014
  52. Oliot E., Goncalves P., Schulmann K., Marquer D. & Lexa O., 2014. Mid-crustal shear zone formation in granitic rocks: Constraints from quantitative textural and crystallographic preferred orientations analyses, Tectonophysics, 612-613, 63-80. DOI: 10.1016/j.tecto.2013.11.032
  53. Maierová, P., Lexa, O., Schulmann, K. & Štípská, P., 2014. Contrasting tectonic and metamorphic evolution of orogenic lower crust in the Bohemian Massif: A numerical model, Gondwana Research, 25, 2, 509-521. DOI: 10.1016/j.gr.2012.08.020
  54. Schulmann, K., O. Lexa, V. Janoušek, J. M. Lardeaux & Edel, J. B., 2014. Anatomy of a diffuse cryptic suture zone: An example from the Bohemian Massif, European Variscides, Geology, 42, 4, 275-278.DOI: 10.1130/G35290.1
  55. Štípská, P., Powell, R., Racek, M. & Lexa, O., 2014. Intermediate granulite produced by transformation of eclogite at a felsic granulite contact, in Blanský les, Bohemian Massif. Journal of Metamorphic Geology, 32, 4, 347-370. DOI: 10.1111/jmg.12079
  56. Lardeaux, J.M., Schulmann, K., Faure, M., Janoušek, V., Lexa, O., Skrzypek, E., Edel, J.B. & Štípská P., 2014. Variscan orogeny in Bohemian Massif, Vosges/Schwarzwald and French Massif Central: Differences and similarities, In: Schulmann, K., Martínez Catalán, J. R., Lardeaux, J. M., Janoušek, V. & Oggiano, G. (eds) The Variscan Orogeny: Extent, Timescale and the Formation of the European Crust, Geological Society, London, Special Publications, 405. DOI: 10.1144/SP405.14
  57. Edel, J.B., Schulmann, K., Hanžl, P. & Lexa, O., 2014. Palaeomagnetic and structural constraints on 90° anticlockwise rotation in SW Mongolia during the Permo–Triassic: Implications for Altaid oroclinal bending. Preliminary palaeomagnetic results. Journal of Asian Earth Sciences, 94, 157-171. DOI: 10.1016/j.jseaes.2014.07.039

In press

  1. Guy, A., Schulmann, K., Munschy, M., Miehe, J.M., Edel, J.B., Lexa, O. & Fairhead, D. 2014. Geophysical constraints for terrane boundaries in southern Mongolia. Journal of Geophysical Research: Solid Earth. DOI: 10.1002/2014JB011026

Ondrej Lexa's citations

research/publications.txt · Last modified: 2017/06/02 11:49 (external edit)