Wordmark GFZ Potsdam

Publications

 
(Co) Author: Wirth, R.


































  • Shen, A. H.; Wirth, R. (2012): Beryllium-bearing nano-inclusions identified in untreated Madagascar sapphire. Gems and Gemology, 48, 2, 150-151.


















































  • Wirth, R. (2010): Focused Ion Beam (FIB) combined with TEM reveals nano-scale processes in geosciences. Geochimica et Cosmochimica Acta, A1138.






  • Dobrzhinetskaya, L.; Wirth, R.; Green, H. (2009): Lamellae of phyllosilicates in K-rich diopside from UHP marble of the Kokchetav massiv, Kazakhstan: FIB-TEM and synchrotron IR studies. Geochimica et Cosmochimica Acta, 73, 13, Suppl. 1, A296.
















  • Wirth, R. (2009): Focused Ion Beam (FIB) combined with SEM and TEM: Advanced analytical tools for studies of chemical composition, microstructure and crystal structure in geomaterials on a nanometre scale. Chemical Geology, 261, 3-4, 217-229.





  • Dobrzhinetskaya, L.; Wirth, R. (2008): Fluids role in formation of microdiamonds from ultrahigh pressure metamorphic terranes. Geochimica et Cosmochimica Acta, 72, 12, Suppl. 1, A221.






















  • Anderson, A. J.; Wirth, R.; Thomas, R. (2007): The alteration of zircon and its role in the remobilization of high field strength elements in the Georgeville granite, Nova Scotia. Geochimica et Cosmochimica Acta, 71, 15, Suppl. 1, A26.




















  • Wirth, R.; Marquardt [Hartmann], K. (2007): Structure of grain boundaries in silicate materials (olivine and K-feldspar) applying focused ion beam (FIB) specimen preparation and TEM. Geochimica et Cosmochimica Acta, 71, 15, Suppl. 1, A1120.





























  • Wirth, R. (2005): Focused Ion Beam (FIB): Applications in Micro- and Nanoanalysis in Geosciences and Applied Mineralogy. Praktische Metallographie-Practical Metallography, 42, 4, 188-205.













  • Ji, S.; Saruwatari, K.; Mainprice, D.; Wirth, R.; Xu, Z.; Xia, B. (2003): Microstructures, petrofabrics and seismic properties of ultra high-pressure eclogites from Sulu region, China: implications for rheology of subducted continental crust and origin of mantle reflections. Tectonophysics, 370, 1-4, 49-76.

  • Khomenko, V. M.; Langer, K.; Wirth, R. (2003): On the influence of wavelength-dependent light scattering on the UV-VIS absorption spectra of oxygen-based minerals: a study on silicate glass ceramics as model substances. Physics and Chemistry of Minerals, 30, 2, 98-107.

  • Milke, R.; Wirth, R. (2003): The formation of columnar fiber texture in wollastonite rims by induced stress and implications for diffusion-controlled corona growth. Physics and Chemistry of Minerals, 30, 4, 230-242.


  • Schmidt, C.; Bruhn, D.; Wirth, R. (2003): Experimental evidence of transformation plasticity in silicates: minimum of creep strength in quartz. Earth and Planetary Science Letters, 205, 3-4, 273-280.


  • Veksler, I. V.; Thomas, R.; Wirth, R. (2003): Crystallization of AlpO4-SiO2 solid solutions from granitic melt and implications for P-rich melt inclusions in pegmatitic quartz. American Mineralogist, 88, 11-12, Pt.1, 1724-1730.


  • Wirth, R.; Rocholl, A. (2003): Nanocrystalline diamond from the Earth's mantle underneath Hawaii. Earth and Planetary Science Letters, 211, 3-4, 357-369.


  • Khisina, N. R.; Wirth, R. (2002): Hydrous olivine (Mg1-yFe2+y)2-xvxSiO4H2x - a new DHMS phase of variable composition observed as nanometer sized precipitations in mantle olivine. Physics and Chemistry of Minerals, 29, 2, 98-111.


  • Khomenko, V. M.; Langer, K.; Wirth, R.; Weyer, B. (2002): Mie scattering and charge transfer phenomena as causes of the UV edge in the absorption spectra of natural and synthetic almandine garnets. Physics and Chemistry of Minerals, 29, 3, 201-209.







  • Ji, S.; Wang, Z.; Wirth, R. (2001): Bulk flow strength of forsterite-enstatite composites as a function of forsterite content. Tectonophysics, 341, 69-93.

  • Khisina, N. R.; Wirth, R. (2001): Microstructure of experimentally oxidized olivine from a mantle nodule: II. Phase composition of crystalline microinclusions containing Fe3+ and OH-. Geochemistry International, 39, 7, 655-666.


  • Koch-Müller, M.; Wirth, R. (2001): An experimental study of the effect of iron on magnesiochloritoid-talc-clinochlore-kyanite stability. Contributions to Mineralogy and Petrology, 141, 5, 546-559.

  • Markl, G.; Marks, M.; Wirth, R. (2001): The influence of T,aSiO2 and fO2 on exsolution textures in Fe-Mg olivine: An example from augite syenites of the Illimaussaq Intrusion, South Greenland. American Mineralogist, 86, 1-2, 36-46.







  • Franz, L.; Wirth, R. (2000): Spinel inclusions in olivine of peridotite xenoliths from TUBAF seamount (Bismarck Archipelago/Papua New Guinea): evidence for the thermal and tectonic evolution of the oceanic lithosphere. Contributions to Mineralogy and Petrology, 140, 283-295.


  • Harlov, D. E.; Wirth, R. (2000): K-feldspar-quartz phase and K-feldspar-plagioclase phase boundary interactions in garnet-orthopyroxene gneisses from Val Strona di Omegna, Ivrea-Verbano Zone, Northern Italy: a case for high grade emplacement under relatively dry conditions. Contributions to Mineralogy and Petrology, 140, 2, 148-162.





  • Reinecke, T.; Bernhardt, H.-J.; Wirth, R. (2000): Compositional zoning of calcite in a high-pressure metamorphic calc-schist: clues to heterogeneous grain-scale fluid distribution during exhumation. Contributions to Mineralogy and Petrology, 139, 5, 584-606.

  • Wirth, R.; Wunder, B. (2000): Characterization of OH-containing phases by TEM using electron; energy-loss spectroscopy (EELS): Clinohumite-OH, chondrodite-OH, phase A,; and the (F,OH)-solid solution series of topaz. Journal of Trace and Microprobe Techniques, 18, 35-49.










  • Wirth, R. (1998): Reply to "Core level electron energy-loss spectra of minerals: preedge fine structures at the oxygen K-edge". Physics and Chemistry of Minerals, 25, 499-500.



  • Franz, L.; Wirth, R. (1997): Thin intergranular melt films and melt pockets in spinel peridotite xenoliths from the Rhön area (Germany): early stage of melt generation by grain boundary melting. Contributions to Mineralogy and Petrology, 129, 268-283.

  • Gottesmann, B.; Wirth, R. (1997): Pyrrhotite inclusions in dark pigmented apatite from granitic rocks. European Journal of Mineralogy, 9, 237-239.

  • Wirth, R. (1997): Water in minerals detectable by electron energy-loss spectroscopy EELS. Physics and Chemistry of Minerals, 24, 561-568.

  • Zinn, P.; Lauterjung, J.; Wirth, R.; Hinze, E. (1997): Kinetic and microstructural studies of the crystallisation of coesite from quartz at high pressure. Zeitschrift für Kristallographie - New Crystal Structures, 212, 691-698.





  • Wang, Z.; Dresen, G.; Wirth, R. (1996): Diffusion creep of fine-grained polycrystalline anorthite in high temperature. Geophysical Research Letters, 23, 3111-3114.

  • Wirth, R. (1996): Thin amorphous films (1-2 nm) at olivine grain boundaries in mantle xenoliths from San Carlos, Arizona. Contributions to Mineralogy and Petrology, 124, 44-54.




  • Wirth, R. (1986): High-angle grain boundaries in sheet silicates (biotite/chlorite): a TEM study. Journal of Materials Sciences Letters, 5, 1, 105-106.

  • Wirth, R. (1986): Some observations concerning the growth kinetics of biotite during the thermally induced transformation of white mica (phengite) in the contact aureole of the Traversella Intrusion (N-Italy). Materials Science Forum, 7, 123-132.


  • Wirth, R. (1985): Dehydration of mica (phengite) by electron bombardment in a transmission electron microscope (TEM). Journal of Materials Sciences Letters, 4, 3, 327-330.

  • Wirth, R. (1985): The influence of the low-high quartz transformation on recrystallization and grain growth during contact metamorphism (Traversella Intrusion, North Italy). Tectonophysics, 120, 1-2, 107-117.








  • Khisina, N. R.; Wirth, R. (2007): Genesis and existence forms of Mg3Si4O10(OH)2.nH2O (10Å-phase) in mantle nodules. Zapiski RMO (Proceedings of the Russian Mineralogical Society), 136, 7, 188-198.


  • Wirth, R. (2007): Nanoanalysis of geomaterials applying focused ion beam (FIB) sample preparation combined with transmission electron microscopy (TEM). Mineralogica Polonica, Special Papers, 30, 92-93.












  • Khisina, N. R.; Wirth, R. (2000): Microstructure of experimentally oxidized olivine from a mantle nodule. II. Phase composition of OH-, Fe3+ bearing microinclusions containing Fe3+ and OH-. Geochimija (in Russian), 7, 721-733.



  • Wirth, R.; Stöckhert, B. (1995): Transformation of coesite to quartz: microstructures in nature and experiment. Bochumer geologische und geotechnische Arbeiten, 44, 260-262.




  • Wirth, R.; Gleiter, H. (1981): Is discontinuous (cellular) precipitation an effect of a structural transformation in the migrating phase boundary?. Acta metallurgica, 29, 11, 1825-1830.


  • Wirth, R.; Morales, L. (2012): Combined FIB-SEM Techniques: Advanced tools to resolve microstructures and mineral phases in sedimentary rocks. - In: Sylvester, P. (Eds.), Quantitative Mineralogy and Microanalysis of Sediments and Sedimentary Rocks, Mineralogical Association of Canada, 17-34.


  • Wirth, R. (2010): Focused Ion Beam (FIB): site-specific sample preparation, nano-analysis, nano-characterization and nano-machining. - In: Brenker, F. E.; Jordan, G. (Eds.), Nanoscopic approaches in Earth and planetary sciences.


  • Dobrzhinetskaya, L. F.; Wirth, R. (2009): Ultradeep rocks and diamonds in the light of advanced scientific technologies. - In: Cloetingh, S.; Negendank, J. (Eds.), New Frontiers in Integrated Solid Earth Sciences, Springer, 373-395.

  • Khisina, N. R.; Wirth, R.; Matsyuk, S. (2009): H2O in the mantle: from fluid to high-pressure hydrous silicates. - In: Matos, D.; Valerio, C. (Eds.), Fluid Mechanics and Pipe Flow : Turbulence, Simulation and Dynamics, Nova Science Publishers.







  • Koch-Müller, M.; Wirth, R.; Rhede, D.; Matsyuk, S. S. (2005): The Earth's water cycle: Experiments bear evidence of possible high water contents in the Earth's mantle. Jahresbericht / Berliner Elektronenspeicherring - Gesellschaft für Synchrotronstrahlung mbH = Annual Report, Bessy, 487-488.

  • Schmidt, C.; Rickers, K.; Wirth, R.; Nasdala, L. (2005): Low-temperature Zr-mobility: experimental study of zircon interaction with aqueous fluid. Jahresbericht / Hamburger Synchrotronstrahlungslabor HASYLAB am Deutschen Elektronen-Synchrotron DESY = Annual report, HASYLAB, 1107-1108.


  • Koch-Müller, M.; Matsyuk, S. S.; Wirth, R. (2003): Searching for Water in the Earths Upper Mantle. Jahresbericht / Berliner Elektronenspeicherring - Gesellschaft für Synchrotronstrahlung mbH = Annual Report, Bessy, 547-549.



  • Koch-Müller, M.; Matsyuk, S. S.; Wirth, R. (2002): Nanometer sized inclusions of sheet silicates in natural clinopyroxenes. Jahresbericht / Berliner Elektronenspeicherring - Gesellschaft für Synchrotronstrahlung mbH = Annual Report, Bessy, 413-415.


  • Wirth, R.; Franz, L. (2000): Intergranular glassy layers along mineral interfaces in mantle derived xenoliths: the early stage of melting. - In: Bagdassarov, N. (Eds.), Physics and chemistry of partially molten rocks, 229-268.


  • Wirth, R. (1984): Geochemie der paläozoischen Magmatite des Frankenwaldes Pikrite-Diabase-Keratophyre. - In: Richter, P. (Eds.), Wolfram in Graniten Ostbayerns, 23-57.



























  • Morgan, R. R.; Wirth, R.; Orberger, B. (2011): Diagenetic nanometric ferrihydrite clusters in 2.4 Ga carbonate banded iron formations from the Minas Supergroup. AGU 2011 Fall Meeting (San Francisco, USA 2011).




  • Wirth, R.; Morales, L. G. (2011): Focused Ion Beam (FIB) combined with SEM (FIB/SEM) and TEM: Advanced tools for nano-analysis in Geosciences. AGU 2011 Fall Meeting (San Francisco, USA 2011).


  • Dégi, J.; Abart, R.; Török, K.; Bali, E.; Wirth, R.; Rhede, D. (2010): Symplectite formation during decompression induced garnet breakdown in lower crustal mafic granulite xenoliths: mechanisms and rates. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 805.

  • Gardés, E.; Wunder, B.; Wirth, R.; Heinrich, W. (2010): Growth of multilayered polycrystalline reaction rims in the MgO-SiO2 system. 13th International Conference on Experimental Mineralogy, Petrology, Geochemistry (EMPG) (Toulouse, France 2010).

  • Jacob, D. E.; Wirth, R.; Enzmann, F.; Kronz, A. (2010): Combined FIB/TEM and micro computer-tomography of polycrystalline diamond (framesite) from Orapa, Botswana. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 178.

  • Kaminsky, F.; Wirth, R. (2010): Iron carbide inclusions within lower-mantle diamond: a result of oxidation of carbide to magnetite or the reduction of magnetite to native iron?. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 180.

  • Logvinova, A. M.; Wirth, R. (2010): Black cluster microinclusions in the core of Yakutian diamonds: Implications for diamond nucleation. Proceedings, 10th International Workshop 'Deep seated magmatism, its sources and plumes' (Irkutsk, Russia 2010), 93-103.



  • Logvinova, A. M.; Wirth, R.; Sobolev, N. V. (2010): Specific features of Yakutian diamond-forming fluids: evidence from nanometer-sized inclusions in diamonds of Yakutian placer deposits and kimberlitic pipes. 27th International Conference 'Geochemistry of Magmatic Rocks'. School 'Geochemistry of Alkaline Rocks' (Moscow-Koktebel 2010).

  • Lucassen, F.; Franz, G.; Wirth, R. (2010): 3D-view of a reaction front for a dissolution-precipitation reaction - the rutile-titanite reaction. Abstract Book, 88. Jahrestagung der Deutschen Mineralogischen Gesellschaft - From Dust to Dust - (Münster 2010).


  • Milke, R.; Hammerschmidt, K.; Wirth, R.; Ganzel, J. (2010): Iridescent surface layers on altered bottle glass: from the Outback into the nanoscale lab. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 71.




  • Tajcmanová, L.; Abart, R.; Rhede, D.; Wirth, R. (2010): Growth mechanisms for decompression plagioclase rims around metastable kyanite from high-pressure felsic granulites (Bohemian Massif). IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 802.

  • Wirth, R.; Dobrzhinetskaya, L.; Harte, B.; Green, H. W. (2010): Tubular Mg-ferrite in magnesiowüstite inclusions in diamond from superdeep origin: control of Fe-valence by dislocation core structure. IMA 2010 - 20th General Meeting of the International Mineralogical Association (Budapest, Hungary 2010), 210.



  • Deon, F.; Koch-Müller, M.; Rhede, D.; Wirth, R. (2009): Effect of water on the olivine-wadsleyite phase boundary: from microanalytics to macroscopic observations. MAPT: MicroAnalysis Processes Time - Annual Meeting of the Mineralogical Society of Great Britain and Ireland (Edinburgh, UK 2009), 107.


  • Ferriere, L.; Robin, E.; Wirth, R. (2009): Composition and origin of Ni-rich spinel from Cretaceous-Tertiary Boundary. 40th Lunar and Planetary Science Conference LPSC 2009 (The Woodlands, Texas 2009).




  • Kaminsky, F.; Wirth, R.; Matsyuk, S. (2009): Carbonate, halide, and other new mineral inclusions in diamond and deep-seated carbonatitic magma. AGU 2009 Joint Assembly (Toronto, Canada 2009), MA71C-04.

  • Khisina, N. R.; Wirth, R.; Nazarov, M. A. (2009): Lamellar spinel-pyroxene symplectites in lunar olivine: evidence for H2O traces in lunar magmas?. 72nd Annual Meeting of the Meteoritical Society (Nancy, France 2009), A109.


  • Rickers, K.; Schmidt, C.; Wirth, R.; Mrosko, M. (2009): Anorthite-fluid and zoisite-fluid equilibration at 500°C: Reaction mechanism, kinetics, and Sr partitioning. Abstract Volume, 20th European Current Research on Fluid Inclusions - ECROFI Meeting (Granada, Spain 2009), 197-198.





  • Anderson, A.; Wirth, R.; Rhede, D. (2008): Nanoscale variations in the structure and composition of altered metamict zircon from the Georgeville pluton, Nova Scotia. General Assembly European Geosciences Union (Vienna, Austria 2008).

  • Augustin, S.; Wirth, R. (2008): TEM foils from natural diamond prepared with Focused Ion Beam (FIB): microstructure and nanometer-sized inclusions in diamond. General Assembly European Geosciences Union (Vienna, Austria 2008).






  • Guzzo, P. L.; Funari, S. S.; Wirth, R. (2008): The effect of heat-treatments in the formation of molecular water aggregates in natural amethyst as studied by small-angle X-ray scattering. 9th International Congress for Applied Mineralogy (Brisbane, Australia 2008).




  • Klein BenDavid, O.; Wirth, R.; Navon, O. (2008): Micrometer-scale cavities in fibrous and cloudy diamonds - a glance into diamond dissolution events. 9th International Kimberlite Conference - 9IKC (Frankfurt, Germany 2008).

  • Koch-Müller, M.; Deon, F.; Matsyuk, S. S.; Wirth, R. (2008): Searching for water in the Earth's mantle: New insights from nature and experiments. Lithosphere petrology and origin of diamond, International Symposium dedicated to the 100th anniversary of Academician Vladimir Stepanovich Sobolev (Novosibirsk, Russia 2008), 151.




  • Logvinova, A.; Wirth, R.; Sobolev, N. (2008): Nanometer-Sized Sulfide Inclusions in Yakutian Diamonds: the Role of Sulfides in Diamond Nucleation. 86. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Berlin 2008), 214.

  • Logvinova, A.; Wirth, R.; Sobolev, N. V. (2008): Black clusters and cloudy nanoinclusions in the core of Yakutian diamonds: TEM investigation. 9th International Kimberlite Conference - 9IKC - (Frankfurt, Germany 2008).














  • Drüppel, K.; Wirth, R. (2007): Metasomatic transformation of plagioclase to sodalite: comparison between nature and experiment. Frontiers in Mineral Sciences 2007 (Cambridge, UK 2007), 113-114.



  • Khisina, N. R.; Wirth, R. (2007): Genesis and mode of occurence of Mg3Si4O10(OH)2.nH2O (10Å-phase) in mantle nodules. 2nd International Conference 'Crystallogenesis and Mineralogy' (Saint Petersburg, Russia 2007), 403-404.

  • Klein BenDavid, O.; Wirth, R.; Navon, O. (2007): TEM imaging and analysis of sub-micrometer inclusions and dissolution cavities in diamonds: a close look into diamond growth and dissolution events. Frontiers in Mineral Sciences 2007 (Cambridge, UK 2007), 92.

  • Klein BenDavid, O.; Wirth, R.; Navon, O. (2007): TEM imaging and analysis of submicrometer inclusions and dissolution cavities in diamonds: a close look into diamond growth and dissolution events. De Beers Diamond Conference (Warwick, UK 2007).






  • Wirth, R. (2007): Modern FIB/TEM nanoanalysis: internal texture, microstructure, chemical composition and crystal structure of minerals on a nanometre scale. Frontiers in Mineral Sciences 2007 (Cambridge, UK 2007), 84-85.

  • Wirth, R. (2007): Nanometre-sized inclusions in diamond: FIB/TEM investigations provide new insights into diamond genesis and fluid composition. Yellowknife 2007 'For a Change of Climate' - GAC-MAC (Yellowknife, Northwest Territories 2007).









  • Logvinova, A. M.; Wirth, R.; Sobolev, N. V. (2006): Nanometre-sized mineral and fluid inclusions in cloudy Siberian diamonds: new insights on diamond formation. 19th General Meeting of the International Mineralogical Association (Kobe, Japan 2006), 137.











  • Voznyak, D. K.; Kvasnytsya, V. M.; Wirth, R. (2006): Fluid inclusions and endogenic diamond formation. Proceedings, International Symposium Modern methods of research and prospects of inclusions application of mineral forming media in science and industry (APIFIS-3) (Tashkent, Uzbekistan 2006), 106-111.

  • Voznyak, D. K.; Kvasnytsya, V. M.; Wirth, R. (2006): The conditions of formation of kimberlitic type zircon from Koffiefontein pipe (ZAR) and diamond growth. Scientific Conference devoted to 50 years jubilee of foundation of Crimea branch of the Ukrainian State Geology-Surveying Institute (Simpheropol, Ukraina 2006), 29-31.

  • Wirth, R. (2006): Focused Ion Beam FIB: Applications in micro- and nanoanalysis in Earth materials and applied mineralogy. GAC-MAC Annual Meeting (Montreal, Canada 2006).

  • Wirth, R. (2006): On the origin of Carbonado, a black diamond variety. 16th International Microscopy Congress (Sapporo, Japan 2006).

  • Wirth, R.; Kaminsky, F.; Matsyuk, S. (2006): Nanoinclusions of phase Egg AlSiO3(OH) in superdeep diamonds from Juina (Brazil): Evidence for subduction of crustal components to earth's mantle transition zone. AGU Fall Meeting (San Francisco, USA 2006).






  • Eckert, C.; Wirth, R.; Wiedenbeck, M. (2005): Ultrastructure- and element analysis on large biogenic silica structures - the anchoring spicule of hexactinellid sponge Monorhaphis chuni. 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).





  • Heimann, R. B.; Wirth, R. (2005): Scanning transmission electron microscopy (STEM) studies on the conversion of plasma-sprayed amorphous (ACP) to crystalline calcium phosphates. 8th International Symposium 'Biomaterials and Tissue Engineering' (Essen 2005).

  • Keller, L. M.; Abart, R.; Wirth, R.; Kunze, K. (2005): Material transport phenomena related to garnet reaction bands formed in metapelites at eclogite facies conditions. 7th International Eclogite Conference (Seggau, Austria 2005), 65.



  • Sauerzapf, U.; Engelmann, R.; Wirth, R.; Lattard, D. (2005): Nanoscale titanomagnetite exsolutions in quenched synthetic wüstite: insights from transmission electron microscopy (TEM) and magnetic susceptibility measurements. 83. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Aachen 2005), 116.


  • Schmidt, C.; Rickers, K.; Wirth, R.; Nasdala, L. (2005): Leaching of metamict zircon in H2O+HCl: in situ study of element release and recrystallization kinetics. 83. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Aachen 2005), 119.



  • Wirth, R. (2005): Micro- and nanometre sized inclusions in diamonds and microdiamonds: a new source of information about diamond genesis and fluid composition. 4th Simposio Brasileiro de Geologia do Diamante (Diamantina, Brazil 2005), 184.


  • Anderson, A. J.; Murphy, B.; Wirth, R. (2004): Lanthanide and actinide remobilization by alteration of the metamict zircon in the Georgville alkali feldspar granite, Nova Scotia. GAC/MAC Annual Meeting (St Catharines, Canada 2004).

  • Braue, W.; Fritscher, K.; Schulz, U.; Leyens, C.; Wirth, R. (2004): Nucleation and growth of oxide constituents on NiCoCrAlY bond coats during the different stages of EB-PVD TBC deposition and upon thermal loading. 28 th International Cocoa Beach Conference and Exposition on Advanced Ceramics & Composites (Cocoa Beach Florida 2004).

  • Braue, W.; Fritscher, K.; Wirth, R. (2004): Sulfur segregation to the EB-PVD Y-PSZ protective coating of a commercial airfoil as revealed via post-failure TEM analysis. 28th International Cocoa Beach Conference and Exposition on Advanced Ceramics & Composites (Cocoa Beach Florida 2004).




  • Harlov, D. E.; Wirth, R.; Förster, H.-J. (2004): Dissolution-reprecipitation in fluorapatite: fluid infiltration and formation of metasomatic monazite. 14th Annual Goldschmidt Conference (Copenhagen, Denmark 2004), A181.


  • Heinemann, S.; Wirth, R.; Uecker, R.; Dresen, G. (2004): Melt grown synthetic bicrystal of forsterite Mg2SiO4. Gemeinsame Jahrestagung der Deutschen Gesellschaft für Kristallographie (DGK) und der Deutschen Gesellschaft für Kristallwachstum und Kristallzüchtung (DGKK) (Jena 2004), 41.







  • Milke, R.; Wirth, R.; Kunze, K. (2004): Reaction-induced stress controls diffusion fluxes in reaction rims and their microstructure. 82. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Karlsruhe 2004), 89.

  • Romer, R.L.; Wirth, R.; Nowaczyk, N. (2004): Formation of secondary carriers of magnetite remanescence in Fe,Mn-bearing minerals by alpha-recoil. 82. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Karlsruhe 2004), 118.

  • Wirth, R. (2004): Focused Ion Beam (FIB) Specimen preparation in applied mineralogy and geosciences. Applied Mineralogy: developments in science and technology ; proceedings, ICAM 2004 - 8th International Congress on Appllied Mineralogy (Sao Paulo, Brazil 2004), 173-176.

  • Wirth, R. (2004): Nanometre sized inclusions in microdiamonds: a new source of information about diamond genesis and fluid composition. AGU 2004 Fall Meeting (San Francisco, USA, 2004), T41D-1246.


  • Harlov, D. E.; Wirth, R.; Förster, H.-J. (2003): Physical properties of the interface between a mineral inclusion and the host mineral: monazite inclusions in fluorapatite. AGU 2003 Fall Meeting (San Francisco 2003).







  • Lenze, A.; Stöckhert, B.; Wirth, R. (2003): Grain scale deformation in ultrahigh-pressure metamorphic rocks related to phase transformation. 81. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Bochum 2003), 118.

  • Matsyuk, S.; Wirth, R. (2003): Nanocrystalline Ti-rich inclusions in olivine from an ilmenite-garnet-peridotite, kimberlite pipe Udachnaya, Yakutia. 81. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Bochum 2003), 128.






  • Rocholl, A.; Wirth, R. (2003): Diamond-bearing low-degree melts within the Hawaiian mantle lithosphere. EGS-AGU-EUG Joint Assembly (Nice 2003).



  • Wirth, R.; Matsyuk, S. (2003): Nanocrystalline inclusions of ilmenite and ilmenite with perovskite structure in olivine from an ilm. ga. peridotite, kimberlite pipe Udachnaya, Yakutia. AGU 2003 Fall Meeting (San Francisco 2003).


  • Wunder, B.; Wirth, R.; Gottschalk, M. (2003): Water in olivine: Experimentally induced solid inclusions of hydrous phases. 81. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Bochum 2003), 220.


  • Heinemann, S.; Wirth, R.; Dresen, G. (2002): A symmetric tilt grain boundary in a synthetic forsterite bicrystal. 80. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Hamburg 2002), 66.



  • Milke, R.; Wirth, R. (2002): Evolution of fiber texture in a diffusion-controlled reaction rim. 9th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Zürich 2002), 73.

  • Schmidt, C.; Bruhn, D.; Wirth, R. (2002): Experimental observation of transformation plasticity in quartz using a hydrothermal diamond-anvil cell. 9th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Zürich 2002), 96.


  • Wirth, R. (2002): Precision specimen preparation of geological samples using focused ion beam technique FIB. 15th International Congress on Electron Microscopy (Durban 2002).

  • Wirth, R.; Rocholl, A. (2002): A new occurrence of microdiamonds in melt inclusions in minerals from mantle xenoliths, Salt Lake Crater, Hawaii. 15th International Congress on Electron Microscopy (Durban 2002).

  • Wirth, R.; Rocholl, A. (2002): Nano-Diamonds in melt inclusions in ortho- and clinopyroxene from mantle xenoliths, Salt Lake Crater, Hawaii. AGU 2002 Fall Meeting (San Francisco 2002).



  • Burkhard, D.; Wirth, R. (2001): Nano-scale characterization of basalt-lava and reheated products. AGU 2001 Fall Meeting (San Francisco 2001).



  • Dimanov, A.; Dresen, G.; Wirth, R. (2001): Rheology of anorthite-diopside aggregates representative of ultramylonites in lower crust. 79. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Potsdam 2001).



  • Gottschalk, M.; Wunder, B.; Wirth, R. (2001): Experimental investigation on the variation of the water content of antigorite and resulting geodynamic implications for subducting processes. American Geophysical Union Fall Meeting.



  • Khisina, N. R.; Wirth, R.; Andrut, M.; Langer, K. (2001): Extrinsic and intrinsic mode of hydrogen occurence in olivines: FTIR and TEM investigation. 4th European Conference on Mineralogy and Spectroscopy (Bulletin de liaison de la Societe Francaise de Mineralogie et de Cristallographie), 82.

  • Schmidt, C.; Bruhn, D.; Wirth, R. (2001): Indication for transformation plasticity of quartz at crustal PT conditions: rheologic experiments using a hydrothermal diamond-anvil cell. AGU 2001 Fall Meeting (San Francisco 2001).

  • Schmidt, C.; Bruhn, D.; Wirth, R. (2001): Transformation plasticity of quarz? Rheologie information from hydrothermal diamond-anvil cell experiments. 79. Jahrestagung der Deutschen Mineralogischen Gesellschaft (DMG) (Potsdam 2001), 165.


  • Wirth, R. (2001): Precision TEM sample preparation using focused ion beam thinning FIB. 79. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Potsdam 2001).

  • Wirth, R.; Khisina, N. R. (2001): Nanometer-sized OH-bearing inclusions in olivine from mantle derived xenoliths from different locations. AGU 2001 Fall Meeting (San Francisco 2001).

  • Wunder, B.; Wirth, R.; Gottschalk, M. (2001): Antigorite: pressure and temperature dependence of polysomatism and water content. Interdisciplinary Workshop: PhaseTransitions and Mantle Discontinuities (Potsdam 2001).

  • Wunder, B.; Wirth, R.; Gottschalk, M. (2001): Dehydration processes within a subducting slab: An experimental and TEM-study on the polysomatism of antigorite. European Union of Geosciences - EUG XI Meeting (Strasbourg 2001).







  • Milke, R.; Wirth, R. (2000): Diffusionskontrolliertes Wachstum von Wollastonit-Reaktionssäumen: TEM-Probenpräparation mit Focused Ion Beam Technik (FIB). 78. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Heidelberg 2000), 128.


  • Seydoux, A. M.; Wirth, R.; Heinrich, W. (2000): Th partitioning between monazite and xenotime: experimental determination. 8th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Bergamo 2000), 93.



  • Wendt, A. S.; Bayuk, I. O.; Covey-Crump, S. J.; Lloyd, G. E.; Wirth, R. (2000): A study of the material parameters of mantle rocks: experimental measurements of seismic velocities related to microstructural observations. Implications for theoretical modelling.. 78. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Heidelberg 2000), 232.

  • Wirth, R. (2000): Amorphous intergranular layers along mineral interfaces in mantle derived xenoliths: the early stage of melting. 16th Australian Conference on Electron Microscopy (Canberra 2000).

  • Wirth, R. (2000): TEM sample preparation of silicates using focused ion beam thinning (FIB). 16th Australian Conference on Electron Microscopy (Canberra 2000).

  • Wirth, R.; Franz, L. (2000): Very small spinel inclusions in olivine of peridotite xenoliths from TUBAF seamount (Bismarck Archipelago/Papua New Guinea): evidence for the thermal and tectonic evolution of the mantle lithosphere under the mid-ocean ridge. 78. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Heidelberg 2000), 237.


  • Wunder, B.; Gottschalk, M.; Wirth, R. (2000): Antigorite polysomatism: P,T-dependence, structural and thermodynamic considerations. 78. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Heidelberg 2000), 239.








  • Koch-Müller, M.; Schmidt, M.; Wirth, R. (1999): Triclinic Fe2+- and Fe3+-chloritoid endmembers: an experimental and spectroscopic study. 77. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Wien 1999), 129.

  • Wang, Z.; Ji, S.; Wirth, R. (1999): Texture development of CaTiO3-FeO composites at high temperature: effect of CaTiO3-phase transformation. 12th International Conference on Textures of Materials, 1568-1574.

  • Wirth, R.; Franz, L. (1999): Intergranular glassy layers along mineral interfaces in mantle derived xenoliths: the early stage of melting. European Union of Geosciences (EUG 10) (Strasbourg 1999), 357.

  • Wirth, R.; Marks, M.; Markl, G. (1999): Exsolution Lamellae of Augitic Clinopyroxene and Magnetite in Olivine Fa60-90 from the Augite Syenite unit of the Ilimaussaq Intrusion, South Greenland. American Geophysical Union Fall Meeting (San Francisco, 1999), 1167.





  • Wunder, B.; Andrut, M.; Wirth, R. (1998): Synthesis and characterization of OH-rich topaz. 7th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Orléans 1998), 69.

  • Wunder, B.; Wirth, R. (1998): Characterization of the (F,OH)-solid solution series of topaz by TEM using energy-loss spectroscopy (EELS). American Geophysical Union Fall Meeting (San Francisco, 1998), 882.


  • Khisina, N. R.; Wirth, R. (1997): Water-bearing inclusions in olivine from kimberlite: high-pressure hydrous silicates?. AGU 1997 Fall Meeting (San Francisco 1997).

  • Wirth, R. (1997): Detection of water in submicroscopic inclusions in olivine from a kimberlite (Siberis) by electron energy-loss spectroscopy EELS. AGU 1997 Fall Meeting (San Francisco 1997).

  • Wirth, R.; Franz, L. (1997): Intergranular melt films along mineral interfaces in spinel peridotite xenoliths from the Rhön area (Germany). European Union of Geosciences (EUG-9) (Strasbourg 1997).

  • Wunder, B.; Wirth, R. (1997): HRTEM characterization of clinohumite, chondrodite, phase A and their PT-stabilities within the system MgO-SiO2-H2O (MSH). AGU 1997 Fall Meeting (San Francisco 1997), 735.


  • Franz, L.; Wirth, R. (1996): TEM-Untersuchungen an Schmelzfilmen auf Korn- und Phasengrenzen in pyroklastischen Mantelxenolithen (Ht-Spinell-Lherzolite) aus der Rhön. Referate der Vortraege und Poster, 74. Jahrestagung der Deutschen Mineralogischen Gesellschaft (Kiel 1996).


  • Wirth, R. (1996): Amorphous intergranular layers in xenoliths: indicators for the early stage of partial melting. 6th Annual Goldschmidt Conference (Heidelberg 1996).

  • Wirth, R. (1996): Amorphous layers at mineral interfaces: indicators for the early stage of partial melting. International Materials Symposium on Ceramic Microstructures '96: Control at the Atomic Level (Berkeley, California 1996).


  • Wunder, B.; Wirth, R.; Schreyer, W. (1996): Brucite-like sheets within synthetic talc, do they influence the determination of talc-stability?. 6th International Symposium on Experimental Mineralogy, Petrology and Geochemistry (Bayreuth 1996), 68-69.






  • Wirth, R. (1995): Glass at the interfaces of olivine and pyroxene in ultramafic inclusions from San Carlos, Arizone. European Union of Geosciences (EUG VIII) (Strasbourg 1995).

  • Wirth, R. (1995): Nucleation of pyroxene and amphibole in glassy veins along interfaces and cracks in ultramafic inclusions from San Carlos, Arizona. 53nd Annual Meeting of the Microscopy Society of America (Kansas City 1995).

  • Wirth, R. (1995): Thin amorphous layers at olivine grain boundaries. Melt apparently has wetted olivine grain boundaries.. Jahrestagung Mineralogie .Referat der Vortraege und Poster, Gemeinschaftstagung der Societe Francaise de Mineralogie et de Cristallographie, der Deutschen Gesellschaft und der Oesterreichischen Mineralogischen Gesellschaft (Strasbourg 1995).



  • Wirth, R. (1994): Microstructure of quarz in partally inverted coesite from high-pressure metamorphic rocks. 52nd Annual Meeting of the Microscopy Society of America (New Orleans, 1994).





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