Petrologie und Mineralische Rohstoffe

Priv-Doz. Dr. Thomas Wenzel

Funktion: Wissenschaftlicher Mitarbeiter

Universität Tübingen
Petrologie und Mineralische Rohstoffe
Schnarrenbergstraße 94-96
72076 Tübingen

Büro: Raum 5U33, GUZ


Nach Vereinbarung

Personal information

PD (Privat-Dozent) for Mineralogy, Petrology und Geochemistry, Supervisor of EMP-Lab

Scientific publications

Zaitsev, A. N., Arzamastsev, A. A., Marks, M. A. W., Braunger, S., Wenzel, T., Spratt, J., Salge, T. & Markl, G. (2021): Hybridization of Alkali Basaltic Magmas: a Case Study of the Ogol Lavas from the Laetoli Area, Crater Highlands (Tanzania). Journal of Petrology 62 (8).

Braunger, S., Scharrer, M., Marks, M. A. W., Wenzel, T. & Markl, G. (2021): Interaction Between Mafic Dike Rocks and Salt Deposits in the Rhine Graben, Southwest Germany. The Canadian Mineralogist.

Braunger, S., Marks, M. A. W., Wenzel, T., Zaitsev, A. N. & Markl, G. (2021): The Petrology of the Tarosero Volcanic Complex: Constraints on the Formation of Extrusive Agpaitic Rocks. Journal of Petrology 62 (6), 1-34.

Marks, M. A. W., Eggenkamp, H. G. M., Atanasova, P., Mundel, F., Kümmel, S., Hagen, M., Wenzel, T. & Markl, G. (2020): Review on the Compositional Variation of Eudialyte-Group Minerals in the Ilímaussaq Complex (South Greenland). Minerals 10, 1011.

Eggenkamp, H. G. M., Marks, M. A. W., Atanasova, P., Wenzel, T. & Markl, G. (2020): Changes in Halogen (F, Cl, Br, and I) and S Ratios in Rock-Forming Minerals as Monitors for Magmatic Differentiation, Volatile-Loss, and Hydrothermal Overprint: The Case for Peralkaline Systems. Minerals 10, 995.

Allstädt, F. J., Appel, E., Rösler, W., Prokopenko, A. A., Neumann, U., Wenzel, T. & Pross, J. (2020): Downward remagnetization of a ~74-m-thick zone in lake sediments from palaeo-Lake Idaho (NW United States) – Locating the Gauss/Matuyama geomagnetic boundary within a dual-polarity zone. Geophysical Journal International 222 (2), 754-768.

Braunger, S., Marks, M. A. W., Wenzel, T., Chmyz, L., Guitarrari Azzone, R. & Markl, G. (2020): Do carbonatites and alkaline rocks reflect variable redox conditions in their upper mantle source? Earth and Planetary Science Letters 533, 116041.

Hecker, G. J., Marks, M. A. W., Wenzel, T. & Markl, G. (2020): Halogens in amphibole and mica from mantle xenoliths: Implications for the halogen distribution and halogen budget of the metasomatized continental lithosphere. American Mineralogist 105 (6), 781-794.

Siidra, O.I., Nazarchuk, E.V., Zaitsev, A.N., Polekhovsky, Y.S., Wenzel, T. & Spratt, John (2019): Dokuchaevite, Cu8O2(VO4)3Cl3, a new mineral with remarkably diverse Cu2+ mixed-ligand coordination environments. Mineralogical Magazine 83(5), 749-755.

Dietzel, C.A.F., Kristandt, T., Dahlgren, S., Giebel, R.J., Marks, M.A.W., Wenzel, T. & Markl, G. (2019): Hydrothermal processes in the Fen carbonatite complex, southern Norway. Ore Geology Reviews 111.

Giebel, R.J., Parsapoor, A., Walter, B., Braunger, S., Marks, M.A.W., Wenzel, T. & Markl, G. (2019): Evidence for magma – wall rock interaction in carbonatites from the Kaiserstuhl Volcanic Complex (Southwest Germany). Journal of Petrology 60(6), 1163-1194.

Siidra, O.I., Nazarchuk, E.V., Zaitsev, A.N., Polekhovsky, Y.S., Wenzel, T. & Spratt, John (2018): Dokuchaevite, IMA 2018-012. CNMNC Newsletter No 43, June 2018, p. 783. Mineralogical Magazine 82(3), 779-785.

Braunger, S., Marks, M.A.W., Walter, B.F., Neubauer, R., Reich, R., Wenzel, T., Parsapoor Anis & Markl, G. (2018). The Petrology of the Kaiserstuhl Volcanic Complex, SW Germany: The Importance of Metasomatized and Oxidized Lithospheric Mantle for Carbonatite Generation. Journal of Petrology.

Walter B.F., Parsapoor A., Braunger S., Marks M.A.W., Wenzel T., Martin M., Markl G. (2018): Pyrochlore as a monitor for magmatic and hydrothermal processes in carbonatites from the Kaiserstuhl volcanic complex (SW Germany). Chemical Geology 498, 1-16.

Marks, M.A.W., Kendrick, M.A., Eby, G.N., Zack, T. and Wenzel, T. (2017): Reply to “Comment on The F, Cl, Br and I contents of reference glasses BHVO-2G, BIR-1G, BCR-2G, GSD-1G, GSE-1G, NIST SRM 610 and NIST SRM 612“. Geostandards and Geoanalytical Research 41, 475-478.

Marks, M.A.W., Kendrick, M.A., Eby, G.N., Zack, T. and Wenzel, T. (2017): The F, Cl, Br and I Contents of reference glasses BHVO-2G, BIR-1G, BCR-2G, GSD-1G, GSE-1G, NISTSRM 610 and NIST SRM 612. Geostandards and Geoanalytical Research 41, 107-122.

Duchoslav, M., Marks, M.A.W., Drost, K., McCammon, C., Marschall, H.R., Wenzel, T. and Markl, G. (2017): Changes in tourmaline composition during magmatic and hydrothermal processes leading to tin-ore deposits: The Cornubian Batholith, SW England. Ore Geology Reviews 83, 215-234

Zaitsev, A.N., Britvin, S., Kearsley, A., Wenzel, T. and Kirk, C. (2017): Jörgkellerite, Na3Mn3+ 3(PO4)2(CO3)O2.5H2O, a new layered phosphate-carbonate mineral from the Oldoinyo Lengai volcano, Gregory rift, northern Tanzania. Mineralogy and Petrology 111(3), 373-381.

Michel, L., Wenzel, T. and Markl, G. (2016): Interaction between two contrasting magmas in the Albtal pluton (Schwarzwald, SW Germany): textural and mineral-chemical evidence. International Journal of Earth Sciences (Geologische Rundschau) 106(5), 1505-1524.

Ladenburger, S., Marks, M.A.W., Upton, B., Hill, P., Wenzel, T. and Markl, G. (2016): Compositional Variation of Apatite from rift-related igneous rocks of the Gardar Province, south Greenland. The American Mineralogist 101, 612-626.

Ratschbacher, B.C., Marks, M.A.W., Bons, P.D., Wenzel, T., and Markl, G. (2015): Emplacement and geochemical evolution of highly evolved syenites investigated by a combined structural and geochemical field study: The lujavrites of the Ilímaussaq complex, SW Greenland. Lithos 231, 62-76.

Zirner, A.L.K., Marks, M.A.W., Wenzel, T., Jacob, D.E. and Markl, G. (2015): Rare Earth Elements in apatite as a monitor of magmatic and metasomatic processes: the Ilímaussaq complex, South Greenland. Lithos 228-229, 12-22.

Lindhuber, M.J., Marks, M.A.W., Bons, P.D., Wenzel, T., and Markl, G. (2015): Crystal mat-formation as an igneous layering-forming process: Textural and geochemical evidence from the 'lower layered' nepheline syenite sequence of the Ilimaussaq complex, South Greenland. Lithos 224-225, 295-309.

Teiber, H., Marks, M.A.W., Arzamatsev, A.A., Wenzel, T., and Markl, G. (2015): Compositional variation in apatite from various host rocks: clues with regards to source composition and crystallization conditions. Neues Jahrbuch Mineralogie Abhandlungen 192, 151-167.

Teiber, H., Scharrer, M., Marks, M.A.W., Arzamatsev, A.A., Wenzel, T., and Markl, G. (2015): Equilibrium partitioning and subsequent re-distribution of halogens among apatite-biotite-amphibole assemblages from mantle-derived plutonic rocks: Complexitites revealed. Lithos 220-223, 221-237.

Marks, L., Keiding, J., Wenzel, T., Trumbull, R.B., Veksler, I., Wiedenbeck, M., Markl, G. (2014): Cl, and S concentrations in olivine-hosted melt inclusions from mafic dikes in NW Namibia and implications for the environmental impact of the Paraná–Etendeka Large Igneous Province. Earth and Planetary Science Letters 392, 39-49.

Wang, L.-X., Marks, M.A.W., Wenzel, T., von der Handt, A., Keller, J., Teiber, H. and Markl, A. (2014): Apatites from the Kaiserstuhl Volcanic Complex, Germany: new constraints on the petrogenetic relationship between carbonatite and associated silicate rocks. European Journal of Mineralogy 26, 397-414.

Markl, G., Marks, M.A.W., Holzäpfel, J. and Wenzel, T. (2014): Major, minor and trace element composition of pyromorphite-group minerals as a recorder of supergene weathering processes from the Schwarzwald mining district, SW Germany. The American Mineralogist 99, 1133-1146.

Teiber, H., Marks, M.A.W., Wenzel, T., Zack, T., Siebel, W., Altherr, R. and Markl, G. (2014): The distribution of halogens (F, Cl, Br) in granitoid rocks. Chemical Geology 374-375, 92-109.

Hettmann, K., Marks, M.A.W., Kreissig, K., Zack, T., Wenzel, T., Rehkämper, M., Jacob, D.E. and Markl, G. (2014): The geochemistry of Tl and its isotopes during magmatic and hydrothermal processes: The peralkaline Ilimaussaq complex, southwest Greenland. Chemical Geology 366, 1-13.

Fusswinkel, T., Wagner, T., Wälle, M., Wenzel, T., Heinrich, Ch.A. and Markl, G.(2013): Fluid mixing forms basement-hosted Pb-Zn deposits: Insights from metal and halogen geochemistry of individual fluid inclusions. Geology 41, 679-68.

Zaitsev, A.N., Wenzel, T., Vennemann, T. and Markl, G. (2013): Tinderet volcano, Kenya: an altered natrocarbonatite locality? Mineralogical Magazine 77, 213-226.

Marks, M.A.W., Marschall, H.R., Schühle, P., Guth, A., Wenzel, T., Jacob, D.E., Barth, M. and Markl, G. (2013): Trace element systematics of tourmaline in pegmatitic and hydrothermal systems from the Variscan Schwarzwald (Germany): The importance of major element composition, sector zoning, and fluid or melt composition. Chemical Geology 344, 73-90.

Fusswinkel, T., Wagner, T., Wenzel, T., Wälle, M. and Lorenz, J. (2013): Evolution of unconformity-related Mn-Fe-As vein mineralization, Sailauf (Germany): Insight from major and trace elements in oxide and carbonate minerals. Ore Geology Reviews 50, 28-51.

Zaitsev, A.N., Marks, M.A.W., Wenzel, T., Spratt, J., Sharygin, V.V., Strekopytov, S. and Markl, G. (2012): Mineralogy, geochemistry and petrology of phonolitic to nephelinitic Sadiman volcano, Crater Highlands, Tanzania. Lithos 152, 66-83.

Hettmann, K., Wenzel, T., Marks, M.A.W. and Markl, G. (2012): The sulfur speciation in S-bearing minerals: New constraints by a combination of electron microprobe analysis and DFT calculations with special reference to sodalite-group minerals. American Mineralogist 97, 1653-1661.

Marks, M.A.W., Wenzel, T., Whitehouse, M.J., Loose, M., Zack, T., Barth, M., Worgard, L., Krasz, V., Eby, G.N., Stosnach, H. and Markl, G. (2012): The volatile inventory (F, Cl, Br, S, C) of magmatic apatite: An integrated analytical approach. Chemical Geology 291, 241-255.

Göb, S., Wenzel, T., Bau, M., Jakob, D.E., Loges, A. & Markl, G. (2011): The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, Southwestern Germany. The Canadian Mineralogist 49, 1305-1333. (This paper was awarded the Hawley Medal by the Mineralogical Association of Canada)

Pfaff, K., Koenig, A., Wenzel, T., Ridley, I., Hildebrandt, L.H., Leach, D.L. & Markl, G. (2011): Trace and minor element variations and sulfur isotopes in crystalline and colloform ZnS: Incorporation mechanisms and implications for their genesis. Chemical Geology 286, 118-134.

Zaitsev, A.N., Wenzel, T., Spratt, J., Williams, T.C., Strekopytov, S., Sharygin, V.V., Petrov, S.V., Golovina, T.A., Zaitseva, E.O. & Markl, G. (2011): Was Sadiman volcano a source for the Laetoli Footprint Tuff? Journal of Human Evolution 61, 121-124.

Schilling, J., Marks, M.A.M, Wenzel, T., Vennemann, T., Horváth, L., Tarassoff, P., Jacob,D.E. and Markl, G. (2011): The Magmatic to Hydrothermal Evolution of the Intrusive Mont Saint-Hilaire Complex: Insights into the Late-stage Evolution of Peralkaline Rocks. Journal of Petrology, 52, 11, 2147-2185.

Schilling, J., Wu, F.-Y., McCammon, C., Wenzel, T., Marks, M.A.W., Pfaff, K., Jacob, D.E. and Markl, G. (2011): The compositional variability of eudialyte-group minerals. Mineralogical Magazine 75, 87-115.

Schilling, J., Frost, B.R., Marks, M.A.W., Wenzel, T. and Markl, G. (2011): Fe-Ti oxide-silicate (QUIlF-type) equilibria in feldspathoid-bearing systems. American Mineralogist, 96, 100-110.

Ströbele, F., Wenzel, T., Kronz, A., Hildebrandt, L.H., Markl, G. (2010): Mineralogical and geochemical characterization of high-medieval lead-silver smelting slags from Wiesloch near Heidelberg (Germany) - an approach to process reconstruction. Archaeological and. Anthropological Sciences. Archeol. Anthropol. Sci., 2, 191-215.

Pfaff, K., Wenzel, T., Schilling, J., Marks, M.A.W. and Markl, G. (2010): A fast and easy-to-use approach to cation site assignment for eudialyte-group minerals. Neues Jahrbuch für Mineralogie, Abhandlungen 187/1, 69-81.

Schilling, J., Marks, M.A.W., Wenzel, T. and Markl, G. (2009): Reconstruction of magmatic to subsolidus processes in an agpaitic system using eudialyte textures and composition: a case study from Tamazeght, Morocco. The Canadian Mineralogist 47, 351-365.

Pfaff, K., Krumrei, T., Marks, M.A.W., Wenzel, T., Rudolf, T. and Markl, G. (2008): Chemical and physical evolution of the `lower layered sequence`from the nepheline syenitic Ilimaussaq intrusion, South Greenland: Implications for the origin of magmatic layering in peralkaline felsic liquids. Lithos 106, 280-296.

Marks, M.A.W., Schilling, J., Coulson, I.M., Wenzel, T. and Markl, G. (2008): The alkaline-peralkaline Tamazeght Complex, High Atlas Mountains, Morocco: Mineral chemistry, and petrological constraints for derivation from a compositionally heterogeneous mantle source. Journal of Petrology 49, 1097-1132.

Wagner, T., Klemd, R., Wenzel, T., and Mattsson, B. (2007): Gold upgrading in metamorphosed massive sulfide ore deposits: Direct evidence from LA-ICP-MS analysis of invisible gold. Geology, 35, 775-778.

Birajdar, B., Braccini, V., Tumino, A., Wenzel, T., Eibl, O., and Grasso, G. (2006): MgB2 multifilamentary tapes: microstructure, chemical composition and superconducting properties. Supercond. Sci. Technol., 19, 916-923.

Schmitt, R., Glaser, J., Wenzel, T., Nickel, K.G., and Meyer, H.J. (2006): A reactivity study in the Mg-B system reaching for an improved synthesis of pure MgB2. Physica C, 436, 38-42.

Siebel, W., Reitter, E., Wenzel, T. and Blaha, U. (2005): Sr isotope systematics of K-feldspars in plutonic rocks revealed by the Rb-Sr microdrilling technique. Chemical Geology 222, 183-199.

Engelhardt, W. von., Berthold, C., Wenzel, T., and Dehner, T. (2005): Chemistry, small-scale inhomogeneity, and formation of moldavites as condensates from sands vaporized by the Ries impact. Geochim. Cosmochim. Acta, 69, 5611-5626.

Birajdar, B., Wenzel, T., Manfrinetti, P., Putti, M., and Eibl, O. (2005): Al-alloyed MgB2: correlation of superconducting properties, microstructure and chemical composition. Supercond. Sci. Technol., 18, 572-581.

Halama, R., Marks, M., Brügmann, G., Siebel, W., Wenzel, T., and Markl, G. (2004): Crustal contamination of mafic magmas: Evidence from a petrological, geochemical and Sr-Nd-Os-O isotopic study of the Proterozoic Isortoq dike swarm, South Greenland. Lithos, 74, 199-232.

Marks, M., Halama, R., Wenzel, T., and Markl, G. (2004): Trace element variations in clinopyroxene and amphibole from alkaline to peralkaline syenites and granites: Implications for mineral-melt trace-element partitioning. Chem. Geol., 211, 185-215.

Eyidi, D., Eibl, O., Wenzel, T., Nickel, K.G., Giovannini, M., and Saccone, A. (2003): Phase analysis of superconducting polycrystalline MgB2. Micron, 34, 85-96.

Eyidi, D., Eibl, O.,Wenzel, T., Nickel, K.G., Schlachter, S.I., and Goldacker, W. (2003): Superconducting properties, microstructure and chemical composition of MgB2 sheathed materials. Supercond. Sci. Technol., 16, 778-788.

Halama, R., Wenzel, T., Upton, B.G.J., Siebel, W., and Markl, G. (2003): A geochemical and Sr-Nd-O isotopic study of the Proterozoic Eriksfjord Basalts, Gardar Province, South Greenland: Reconstruction of an OIB signature in crustally contaminated rift-related basalts. Mineral. Mag., 67, 831-853.

Wenzel, T., Nickel, K.G., Glaser, J., Meyer, H.J., Eyidi, D., and Eibl, O. (2003): Electron probe microanalysis of Mg-B compounds: stoichiometry and heterogeneity of superconductors. Phys. Stat. Sol., 198, 374-386.

Wenzel, T., Baumgartner, L.P., Brügmann, G.E., Konnikov, G., and Kislov, E.V. (2002): Partial melting and assimilation of dolomitic xenoliths by mafic magma: the Ioko-Dovyren intrusion (North Baikal region, Russia). J. Petrol., 43, 2049-2074.

Nasdala, L., Wenzel, M., Irmer, W., Vavra, G., Wenzel, T., and Kober, B. (2001): Metamictisation of natural zircon: Accumulation versus thermal annealing of radioactivity-induced damage. Contrib. Mineral. Petrol., 141, 125-144.

Wenzel, T., Baumgartner, L.P., Brügmann, G.E., Konnikov, G., Kislov, E.V., and Orsoev, D.A. (2001): Contamination of mafic magma by partial melting of dolomitic xenoliths. Terra Nova, 13, 197-202.

Wenzel, T. (2000): Mantel- und Krustenkomponenten in den Granitoiden des Meißener Massivs (Elbezone). Z. Geol. Wiss., 27, 417-426.

Wenzel, T., Oberhänsli, R., and Mezger, K. (2000): K-rich plutonic rocks and lamprophyres from the Meissen massif (Northern Bohemian Massif): Geochemical evidence for variably enriched lithospheric mantle sources. N. Jahrb. Mineral. Abh., 175, 249-293.

Banerjee, A., and Wenzel, T. (1999): Black opal from Honduras. Eur. J. Mineral., 11, 401-408.

Becker, H., Wenzel, T., and Volker, F. (1999): Geochemistry of glimmerite veins in peridotites from lower Austria - implications for the origin of K-rich magmas in collision zones. J. Petrol., 40, 315-338.

Nasdala, L., Wenzel, T., Pidgeon, R.T., and Kronz, A. (1999): Internal structures and dating of complex zircons from Meissen Massif monzonites, Saxony. Chem. Geol., 156, 331-341.

Wenzel, T., Mertz, D.F., Oberhänsli, R., Becker, T., and Renne, P.R. (1997): Age, geodynamic setting, and mantle enrichment processes of a K-rich intrusion from the Meissen Massif (Northern Bohemian Massif) and implications for related occurrences from the Mid-European Hercynian. Geol. Rundsch., 86, 556-570.

Wenzel, T., and von Quadt, A. (1993): The intrusion of the Meissen pluton (Elbe Valley-zone): evidence from geochemical and isotopic data. Isotopenpraxis, 28, 251-262.

Wenzel, T., Hengst, M., and Pilot, J. (1993): The plutonic rocks of the Elbe valley-zone (Germany): evidence for the magmatic development from single-zircon-evaporation and K-Ar age determinations. Chem. Geol., 104, 75-92.

Wenzel, T., and Ramseyer, K. (1992): Mineralogical and mineralchemical changes in a fractionation-dominated diorite-monzodiorite-monzonite sequence: evidence from cathodoluminescence. Europ. J. Mineral., 4, 1391-1399.

Wenzel, T., and Wolf, D. (1992): The plutonic rocks of the Elbe valley-zone (Germany): evidence for different petrogenetic processes from morphology and internal structure of zircons. Schweiz. Mineral. Petrogr. Mitt., 72, 307-314.

Wenzel, T., Mercolli, I., and Oberhänsli, R. (1991): The plutonic rocks of the Meissen massif (Germany): evidence for open and closed system fractionation processes. Schweiz. Mineral. Petrogr. Mitt., 71, 371-390.

Pfeiffer, L., Wenzel, T., and Eckstein, L. (1990): Neue Alterswerte vom Oberwiesenthaler Eruptivstock im Westerzgebirge und ihre geologischen Konsequenzen. Freiberger Forschungsh., C 441, 115-119.

Wenzel, T., Pilot, J., Hengst, M., and Hofmann, J. (1990): First single zircon 207Pb/206Pb-ages from the Saxonian Granulite Massif. In: Wand, U., and Strauch, G. (eds.) 5th Working Meeting Isotopes in Nature, Proc. Part I, 193-202.

Wenzel, T., Schmidt, W., Hengst, M., Wolf, D., and Pilot, J. (1990): Geochronological study of some types of granitoids from the Elbe valley-zone. In: Wand, U., and Strauch, G. (eds.) 5th Working Meeting Isotopes in Nature, Proc. Part I, 203-216.

Wenzel, T., and Fanghänel, T. (1989): Zur Temperaturabhängigkeit der Kieseritgehalte von Carnallititen. Z. Geol. Wiss., 17, 12, 1123-1127.

Wenzel, T., Rösler, H.J., and Pilot, J. (1987): Genese und Verteilung von Sulfatmineralen im Kaliflöz "Staßfurt" des Südharz-Reviers. Freiberger Forschungsh., C 425, 124-135.

Wenzel, T., Rösler, H.J., and Pilot, J. (1986): Sulphur and oxygen isotope studies on sulphate minerals from the "Stassfurt" potash seam. 4th Working Meeting Isotopes in Nature, Leipzig, Proceedings, 669-678.

Wenzel, T., Jarreck, B., and Blankenburg, H.J. (1985): Über einige Untersuchungen an den anorganischen Komponenten in Braunkohlen. Z. Angew. Geol., 31, 4, 92-97.


Kleinhanns, I.C., Brodbeck, M., Wenzel, T., and Schoenberg, R. (2016): In situ Sr isotope evidence for plagioclase mingling in the UG2 layer of the Bushveld complex (South Africa). 35th IGC, Cape Town/SA

Berni, G.V., Wagner, T., Wenzel, T. and Fusswinkel, T. (2016): Magmatic fractionation and episodic fluid exsolution of the Kymi topaz granite stock, SE Finland: insights from biotite major and trace element chemistry. Bulletin of the Geological Society of Finland Spec. Vol. 215-216

Hettmann, K., Marks, M., Wenzel, T., Zack, T., and Markl, G. (2009) Thallium-mineralization during late magmatic activity in the peralkaline complex Ilímaussaq, Greenland. Abstracts of the 19th annual V.M. Goldschmidt conference. Geochimica et Cosmochimica Acta, 73, A528.

Marks, M.A.W., Rudnick, R.L., Thomas, L., Marschall, H., Zack, T., Halama, R., McDonough, W.F., Rost, D., Wenzel, T., Vicenzi, E.P., Savov, I.P., Altherr, R., and Markl, G. (2007) Sodic pyroxene and amphibole as potential micro-analytical reference material for Li isotopes. Abstracts of the 17th annual V.M. Goldschmidt conference. Geochimica et Cosmochimica Acta, 71, A623.

Baumgartner, L.P., Clemens, R.M., Putlitz, B., Roselle, G.T., and Wenzel, T. (2001) Fluid and melt movements in contact aureoles. Eleventh annual Goldschmidt conference, LPI contributions, Report #1088, abstract no. 3746.

Wenzel, T., Baumgartner, L.P., Brügmann, G.E., Konnikov, E.G., and Kislov, E.V. (2001) Partial melting and assimilation of dolomite xenoliths by mafic magmas of the Ioko-Dovyren intrusion (N-Baikal region). EUG 11, J. Conf. Abs., 6, 588.

Wenzel, T., Baumgartner, L.P., Brügmann, G.E., Konnikov, E.G., Kislov, E.V., and Orsoev, D.A. (2000) Assimilation of dolomitic xenoliths by the Ioko-Dovyren layered intrusion (Siberia, Northern Baikal region). Eur. J. Mineral., 12, Beih. 1, 232.

Wenzel, T. (2000) The Meissen Massif: Magma sources and geodynamic significance. Schr. Staatl. Mus. Mineral. Geol. Dresden, 11, 120.

Nasdala, L., Vavra, G., and Wenzel, T. (1999) Accumulation versus thermal annealing of radiation damage in zircon, ZrSiO4. Eur. J. Mineral., 11, Beih. 1, 165.

Wenzel, T., Becker, H., and Nasdala, L. (1999) K-rich magmatism of the mid-European Hercynian chain: chemical signatures, tectonic setting and mantle enrichment processes. EUG 10, J. Conf. Abstr., 4, 693.

Baumgartner, L.P., Pak, T.M., Putlitz, B., and Wenzel, T. (1999) Partial melting and rheology of pelite/quarzite interlayers in the Little Cottonwood Stock contact aureole, Salt Lake City. EUG 10, J. Conf. Abstr., 4, 791.

Banerjee, A., and Wenzel, T. (1997) Black opal from Honduras. Eur. J. Mineral., 9, Beih. 1, 38.

Sharp, W.D., Wenzel, T., Nasdala, L., Mertz, D.F., and Becker, T. (1997) Geochronology of Hercynian Meissen Massif magmatic rocks based on 40Ar/39Ar (amphibole, mica) and 206Pb/238U SHRIMP (zircon) data. Schriftenreihe Deutsch. Geol. Ges., Heft 2, 108-109.

Wenzel, T.h. (1997) Magmenquellen und geotektonische Stellung der K-reichen Magmatite des Meißener Massivs (Elbtalzone, Nordrand der Böhmischen Masse). Schr. Deutsch. Geol. Ges., Heft 2, 120-121.

Becker, H., and Wenzel, T. (1996) Glimmerite veins in high-pressure rocks from Lower Austria - clues for the origin of high-K magmas in orogenic belts. V. M. Goldschmidt Conference, J. Conf. Abstr., 1, 53.

Wenzel, T., Oberhänsli, R., and Mezger, K. (1995) Synorogene Plutonitkomplexe mit alkalischen bis schwach alkalischen Tendenzen in den mitteleurop√§ischen Varisziden - Das Meißener Massiv. Terra Nostra, 8, 137.

Wenzel, T., Mertz, D.F., Renne, P.R., and Becker, T. (1995) Laser step heating 40Ar/39Ar experiments on shoshonitic plutonic rocks from the Meissen Massif (Germany): Implications for the Hercynian geodynamic evolution. Eur. J. Mineral., 7, Beih. 1, 264.

Wenzel, T., Mertz, D.F., Mezger, K., Oberhänsli, R., and Renne, P.R. (1995) Phlogopite-bearing lamprophyres of the Meissen massif (Germany) - evidence for different mantle sources. Terra Abstracts, 7/1, 295.

Wenzel, T., Oberhänsli, R., and Mezger, K. (1995) Shoshonitic plutonic rocks and lamprophyres of the Meissen massif (Germany) - Petrogenetic relationships, magma sources and tectonic significance. Terra Abstracts, 7/1, 301.

Wenzel, T., Oberhänsli, R., and Mezger, K. (1994) Basische und intermediäre Gesteine des Meißener Massivs (Elbe-Zone): Magmenquellen und geotektonische Stellung. Eur. J. Mineral., 6, Beih. 1, 307.

Hengst, M., Hofmann, J., Pilot, J., and Wenzel, T. (1991) Zur Altersstellung tektonometamorpher und magmatischer Ereignisse im Sächsischen Granulitgebirge. Zentalbl. Geol. Paläont. Teil I, 5, 1316.

Wenzel, T., Hengst, M., and Pilot, J. (1991) Die plutonischen Gesteine des Meißener Massivs (Elbtal-Zone): Zeitliche Rekonstruktion der magmatischen Entwicklung (Erstarrungs- und Reliktalter) mit Hilfe von Einzel-Zirkon- und K-Ar-Altersbestimmungen. Eur. J. Mineral., 3, Beih. 1, 292.

Wenzel, T., and Wolf, D. (1991) Die plutonischen Gesteine des Meißener Massivs (Elbtal-Zone): Morphologie und innere Beschaffenheit von Zirkonen als Grundlage für die Identifizierung unterschiedlicher Fraktionierungsprozesse. Eur. J. Mineral., 3, Beih. 1, 294.

Wenzel, T., Mercolli, I., and Oberhänsli, R. (1991) Die plutonischen Gesteine des Meißener Massivs (Elbtal-Zone): Anzeichen für unterschiedliche Fraktionierungsprozesse anhand textureller, mineral- und gesteinschemischer Untersuchungen. Eur. J. Mineral., 3, Beih. 1, 293.