Jörn H. Kruhl

(Structural Geology, Material Fabrics)

Tectonics and Material Fabrics Section
Faculty of Civil and Geodetic Engineering
Technische Universität München
Arcisstraße 21
80290 Munich
Germany

Room: 1422
Phone: +49 (89) 28925870
Fax: +49 (89) 28925852

Publications

• Gerik, A., J.H. Kruhl, and A Caggianelli (2009), Quantification of flow patterns in sheared tonalite crystal-melt mush: application of fractal-geometry methods, in Structural Geology - From Classical to Modern Concepts, Journal of Geological Society of India, edited by M.A. Mamtani, Springer, submitted.
• Gerik, A., and J.H. Kruhl (2009), Towards automated pattern quantification: time-efficient assessment of anisotropy of 2D patterns with AMOCADO, Computers & Geosciences, 35(6), 1087-1097, doi:10.1016/j.cageo.2008.01.015.

• Lavallée, Y., P.G. Meredith, B.D. Dingwell, K.-U. Hess, J. Wassermann, B. Cordonnier, A. Gerik, and J.H. Kruhl (2008), Seismogenic lavas and eruption forecasting, Nature, 453, 507-510, doi:10.1038/nature06980.

• Festa, V., A. Caggianelli, J.H. Kruhl, D. Liotta, G. Prosser, E. Gueguen, and A. Paglionico (2006), Late-Hercynian shearing during crystallization of granitoids at mid-crustal levels (Sila Massif, northern Calabria-Peloritani Terrane, southern Italy), in Tectonic Frame of HT rocks: from migmatites to granites, Special Issue of Geodinamica Acta, vol. 19(3-4), edited by Elter. F.M., C. Dietl and M. Faure, pp. 185-105, Springer.
• Kruhl, J.H., S. Erdmann, and S. Büttner (2006), Brittle-ductile microfabrics in naturally deformed cordierite: evidence for significant short-term strain-rate variations, Journal of Structural Geology.
• Kruhl, J.H. (2006), Rahmenbedingungen einer Geotop- und Geopark-bezogenen Didaktik [General conditions of geotope- and geopark-related didactics], Schriftenreihe des Instituts für Regionalwissenschaft der Universität Karlsruhe.
• Kuntcheva, B.T., J.H. Kruhl, and K. Kunze (2006), Crystallographic orientations of high-angle grain boundaries in dynamically recrystallized quartz: first results, Tectonophysics.

• Birkenhauer, J., J.H. Kruhl, and U. Lagally (2005), Geoparks – und kein Ende? Anforderungen und Vernetzungen. [Geoparks – ad infinitum? Requirements and interconnections], in Geotopschutz -- Chancen zur nachhaltigen Entwicklung von Regionen in Europa, vol. 36, edited by K. Schütze and R.-O Niedermeyer, pp. 60-62, Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften.
• Kruhl, J.H., and R.S. Vernon (2005), Syndeformational emplacement of a tonalitic sheet complex in a late-Variscan thrust regime: fabrics and mechanism of intrusion, Monte’e Senes, northeastern Sardinia, The Canadian Mineralogist, 43(1), 387-407.

• Hohlfeld, R., and J.H. Kruhl (2004), Die Loreley – Annäherungen an einen Felsen [The Loreley – approaching a cliff], in Die Loreley: ein Fels im Rhein – Eine deutsche Erfindung, edited by M. Kramp and M. Schmandt, pp. 1-12, Verlag Philipp von Zabern, Mainz.
• Jödicke, H., J.H. Kruhl, C. Ballhaus, P. Giese, and J. Untiedt (2004), Syngenetic, thin graphite-rich horizons in lower crustal rocks from the Serre San Bruno, Calabria (Italy), and implications for the nature of high-conducting deep crustal layers, Physics of the Earth and Planetary Interiors, 141, 37-58.
• Kruhl, J.H., F. Andries, M. Peternell, and S. Volland (2004), Fractal geometry analyses of rock fabric anisotropies and inhomogeneities, in Fractals in Geotechnical Engineering. Advances in Geotechnical Engineering and Tunnelling, vol. 9, edited by D. Kolymbas, pp. 115-135, Logos, Berlin.
• Kruhl, J.H., J. Birkenhauer, U. Lagally, and G. Lehrberger (2004), Geowissenschaften und Öffentlichkeit [Geosciences and the public], Schriftenreihe der Deutschen Geologischen Gesellschaft, 29, 176pp.
• Kruhl, J.H., J. Birkenhauer, U. Lagally, and G. Lehrberger (2004), Geowissenschaften und Öffentlichkeit [Geosciences and the public], Schriftenreihe der Deutschen Geologischen Gesellschaft, 29, 176pp.
• Volland, S., and J.H. Kruhl (2004), Anisotropy quantification: the application of fractal geometry methods on tectonic fracture patterns of a Hercynian fault zone in NW-Sardinia, Journal of Structural Geology, 26, 1489-1500.

• Veit, B., J.H. Kruhl, and P. Machev (2003), Multiple syntectonic granitoid intrusions during the Alpine development of the Rhodope Massif (southern Bulgaria): preliminary results, Neues Jahrbuch für Geologie und Paläontologie, 228, 321-341.

• Kruhl, J.H., and M. Peternell (2002), The equilibration of high-angle grain boundaries in dynamically recrystallized quartz: the effect of crystallography and temperature, Journal of Structural Geology, 24, 1125-1137.
• Kruhl, J.H. (2002), Ein Berg entsteht [A mountain is born], in Everest - Göttinmutter der Erde, edited by J. Hemmleb, pp. 29-41, AS-Verlag, Zürich.
• Kruhl, J.H. (2002), Erfahrungen mit der deutschen und englischen Wissenschaftssprache in der Geologie [Experience with German and English as science languages in geology], in Mehrsprachige Wissenschaft – Europäische Perspektiven [Multilingual science – European perspectives], edited by K. Ehlich, pp. 1-17, Online-Publ., Inst.f.Transnationale Linguistik, LMU, München.
• Spanner, B.G., and J.H. Kruhl (2002), Syntectonic granites in thrust and strike-slip regimes: the history of the Carmo and Cindacta Plutons (southeastern Brazil), Journal of South American Earth Sciences, 15(4), 431-444.
• Suteanu, C., and J.H. Kruhl (2002), Investigation of heterogeneous scaling intervals exemplified by sutured quartz grain boundaries, Fractals, 10(4), 435-449.

• Krug, H.-J., and J.H. Kruhl (2001), Non-equilibrium processes and dissipative structures in geoscience. Self-organization, in Yearbook for complexity in the natural, social and human sciences, pp. 378 pp., Duncker & Humblot, Berlin.
• Kruhl, J.H. (2001), Crystallographic control on the development of foam textures in quartz, plagioclase and analogue material, International Journal of Earth Sciences (Geologische Rundschau), 90, 104-117.
• Kruhl, J.H. (2001), Grain boundaries as fractal patterns and dissipative systems, in Non-equilibrium processes and dissipative structures in geoscience. Self-organization, Yearbook for complexity in the natural, social and human sciences, vol. 11, edited by Krug. H.-J. and J.H. Kruhl, pp. 187-207, Duncker & Humblot, Berlin.

• Altenberger, U., and J.H. Kruhl (2000), Dry high-temperature shearing in the fossil Hercynian lower crust of Calabria (S.Italy), Periodico di Mineralogia, 69, 125-142.
• Bitencourt, M.F., and J.H. Kruhl (2000), Crustal-scale shearing, magmatism and the development of deformation structures: An example from Santa Catarina (Southern Brazil), Zeitschrift für Angewandte Geologie, 1, 229-236.
• Blenkinsop, T., J.H. Kruhl, and M. Kupková (2000), Fractals and dynamic systems in Geoscience - Pageoph Topical Issue, pp. 485-676, Birkhäuser, Basel/Bosten/Berlin.
• Kruh,l J.H. (2000), Thermometrie mit Mikrogefügen, Münchner Geologische Hefte, 28, 113-127.
• Ullemeyer, K., G. Braun, M. Dahms, J.H. Kruhl, N.O. Olesen, and S. Siegesmund (2000), Texture analysis of a muscovite-bearing quartzite: a comparison of some currently used techniques, Journal of Structural Geology, 22, 1541-1557.
• Zurru, M., and J.H. Kruhl (2000), chiefer als Zeugnis der Erdgeschichte im Loreley-Gebiet [Slate as testimonial of the earth history in the Loreley region], Schriftenreihe des Schiefer-Fachverbandes in Deutschland e.V, 7, 177-196.
• Zurru, M., and J.H. Kruhl (2000), Die Loreley: Steinalt und faltig – jung und schön! (Geologie und Landschaftsentwicklung im Herzen des Rheinischen Schiefergebirges) [The Loreley: old and wrinkled – young and beautiful! (Geology and landscape development in the heart of the Rhenish Massif)], Selden & Tamm, Garching.

• Kruhl, J.H. (1998), Prism- and basis-parallel subgrain boundaries in quartz: a micro-structural geothermobarometer: Reply, Journal of Metamorphic Geology, 16, 142-146.

• Büttner, S., and J.H. Kruhl (1997), The evolution of a late-Variscan high-T/low-P region: the south- eastern margin of the Bohemian Massif, Geologische Rundschau, 86, 21-38.
• Zurru, M., and J.H. Kruhl (1997), Die Geologische Entwicklung im Loreley-Gebiet: Erläuterungen mit Hilfe eines Geotopnetzes [The geological development of the Loreley region: descriptions based on a geotope network], Zentralblatt für Geologie und Paläontologie, 1(7/8), 793-808.

• Den Brok, S.W.J., and J.H. Kruhl (1996), Ductility of garnet as an indicator of extremely high temperature deformation: discussion, ournal of Structural Geology, 18, 1369-1373.
• Kruhl, J.H., and H.-J. Kümpel (1996), Fractals and Dynamic Systems in Geoscience, Geologische Rundschau, Special Issue, 85(1).
• Kruhl, J.H., and M. Nega (1996), The fractal shape of sutured quartz grain boundaries: application as a geothermometer, Geologische Rundschau, 85, 38-43.
• Kruhl, J.H. (1996), Prism- and basis-parallel subgrain boundaries in quartz: a micro-structural geothermobarometer, Journal of Metamorphic Geology, 14, 581-589.
• Siegesmund, S., J.H. Kruh, and E. Lüschen (1996), Petrophysical and seismic features of the exposed lower continental crust in Calabria (Italy): Field observation versus modelling, Geotektonische Forschungen, 85, 125-163.
• Zurru, M., and J.H. Kruhl (1996), Geotope als Zeugnisse der Erd- und Landschaftsgeschichte im Loreley- Gebiet [Geotopes as testimonials of the earth and landscape history of the Loreley region], Natur und Museum, 126, 192-204.

• Kruhl, J.H. (1994), Fractals and Dynamic Systems in Geoscience, Springer.
• Kruhl, J.H. (1994), The formation of extensional veins: an application of the Cantor-dust model, in Fractals and Dynamics Systems in Geoscience, edited by J.H. Kruhl, pp. 95-104, Springer.

• Kruhl, J.H. (1993), Crystal rotation during flattening and shearing of naturally deformed plagioclase, in Application of Physics and Chemistry of Defect Solid State to Earth Material Science - The McLaren Volume, vol. 14, edited by J. Boland and J.D. FitzGerald, pp. 85-97, Elsevier.
• Kruhl, J.H. (1993), The P-T-d development at the basement-cover boundary in the north-eastern Tauern Window (Eastern Alps): Alpine continental collision, Journal of Metamorphic Geology, 11, 31-47.

• Lüschen, E., et al. (1992), A seismic reflection-refraction experiment across the exposed lower crust in Calabria (southern Italy), Terra Nova, 4, 77-86.

• Kruhl, J.H., and T. Huntemann (1991), The structural state of the former lower continental crust in Calabria (S.Italy), Geologische Rundschau, 80, 289-302.
• Kruhl, J.H. (1991), Why always quartz?, Zentralblatt für Geologie und Paläontologie, 1, 123-137.
• Siegesmund, S., and J.H. Kruhl (1991), The effect of plagioclase textures on velocity anisotropy and shear wave splitting at deeper crustal levels, Tectonophysics, 191, 147-154.

• Kruhl, J.H. (1989), Natural deformation fabrics of plagioclase: implications for slip systems and seismic anisotropy – a discussion on measuring and interpreting plagioclase preferred orientations, Tectonophysics, 166, 345-349.

• Altenberger, U., N. Hamm, and J.H. Kruhl (1987), Movements and metamorphism north of the Insubric Line between Val Loana and Val d'Ossola, N.Italy, Jahrbuch der Geologischen Bundesanstalt Wien, 130, 365-374.
• Kruhl, J.H. (1987), Computer-assisted determination and presentation of crystallographic orientations of plagioclase, on the basis of universal-stage measurements, Neues Jahrbuch für Mineralogie Abhandlungen, 157, 185-206.
• Kruhl, J.H. (1987), Preferred lattice orientations of plagioclase from amphibolite and greenschist facies rocks near the Insubric Line (Western Alps), Tectonophysics, 135, 233-242.
• Kruhl, J.H. (1987), Zur Deformation und Gitterregelung des Plagioklases [On the deformation and crystallographic orientation of plagiocase], Jahrbuch der Geologischen Bundesanstalt Wien, 130, 205-243.

• Finger, F., and J.H. Kruhl (1986), Amphibolitfazielle bis grünschieferfazielle Deformation von variszischen Graniten im Bereich der Donaustörung bei Obermühl (Böhmische Masse) [Amphibolite and greenschist facies deformation of Variscan granites along the Danube Fault near Obermühl (Amphibolite and greenschist facies deformation of Variscan granites along the Danube Fault near Obermühl (Bohemian Massif)], Jahrbuch der Geologischen Bundesanstalt Wien, 129, 638-639.
• Kruhl, J.H. (1986), Deformation und Mikrogefüge – eine Studie aus dem K1-Gneis (Felbertal, Hohe Tauern) [Deformation and microfabrics – a study from the K1 Gneiss (Felbertal, Tauern Window)], Jahrbuch der Geologischen Bundesanstalt Wien, 129, 632-633.
• Kruhl, J.H. (1986), Textures and c-axis orientations of deformed quartz crystals from porphyric dikes of the Alpine 'Root Zone' (Western Alps), Geologische Rundschau, 75, 601-623.

• Abed, A., H. Khouri, J.H. Kruhl, and 109-124 1985): On the structure of Jabal Aritain Volcano (NE- Jordan) and the petrology of some xenoliths.- Dirasat 12 (1985), On the structure of Jabal Aritain Volcano (NE- Jordan) and the petrology of some xenoliths, Dirasat, 12, 109-124.

• Kruhl, J.H. (1984), Deformation and metamorphism at the base of the Helgeland nappe complex, northwest of Grong (Northern Norway), Geologische Rundschau, 73, 735-751.
• Kruhl, J.H. (1984), Metamorphism and deformation at the north-west margin of the Ivrea Zone, Val Loana, N.Italy, Schweizerische Mineralogische und Petrographische Mitteilungen, 64, 151-167.

• Kruhl, J.H., and G. Voll (1979), Deformation and Metamorphism of the Western Finero Complex, Memorie di Science Geologiche, 33, 95-109.
• Kruhl, J.H., and G. Voll (1979), Excursion Guide to the Western Part of the Finero Peridotite-Metagabbro Complex of the Ivrea Zone (N.Italy), Memorie di Science Geologiche, 33, 17-26.

• Kruhl,J.H. (1978), Current bedding in the Moinian quartzites at eastern Loch Leven, Scottish Highlands, Neues Jahrbuch für Mineralogie Abhandlungen, 132, 52-66.

• Kruhl, J.H., and G. Voll (1976), Fabrics and Metamorphism from the Monte Rosa Root Zone to the Ivrea Zone near Finero, Southern margin of the Alps, Schweizerische Mineralogische und Petrographische Mitteilungen, 56, 627-633.

• Kruhl, J.H., and G. Voll (1975), 1975): Large-scale pre-metamorphic and pre-cleavage inversion at Loch Leven, Scottish Highlands, Neues Jahrbuch für Mineralogie, 75, 71-78.

• Kruhl, J.H. (1973), Mitteilung über die Benutzung von Sichtgeräten bei der statistischen Auswertung von Gefügemessungen [Report on the use of display units for the statistic processing of fabric measurements], Geologische Mitteilungen, 12, 319-326.

• Erdmann, W., J. Kruhl, and U. Lehmann (1970), Über Fischreste in Beyrichienkalken [On fish relics in Beyrichia limestones], Der Geschiebe-Sammler, 5, 71-81.