Geochemistry and Isotope Geology

Contributions to conferences, international



  • GRIMMER, J.C., WEMMER, K., HUECK, M. & KLEY, J. (2023): Early Jurassic K-Ar illite age data of fault gouge from a reverse fault of the Gernsbach-Neuenbürg Flexure in crystalline basement rocks of the Nordschwarzwald (SW Germany). – Poster, GeoBerlin 2023, 03.-07.09.2023; Berlin.

  • ARDUIN RODE, F., SOSA, G., VAN DEN KERKHOF, A., KRÜGER, Y., BAJNAI, D., PACK, A., DI ROCCO, T., WEMMER, K., OYHANTÇABAL, P., HUECK, M. & SIEGESMUND, S. (2023): Amethyst - agate geodes from Uruguay: insights from fluid inclusions and stable isotopes. – Abstract and oral presentation, ECROFI 2023, XXVIIth European Current Research on Fluid and Melt Inclusions, 02.-06.07.2023, Reykjavik, Island.

  • ARDUIN RODE, F., SOSA, G., VAN DEN KERKHOF, A., KRÜGER, Y., OYHANTÇABAL, P., WEMMER, K. & SIEGESMUND, S. (2022): Uruguayan Amethyst and Agate deposits: Mineraloy and fluid inclusions. – Abstract and oral presentation, X. Congreso Uruguayo, 07.-10. 11. 2022; Montevideo, Actas: 128.

  • SILVA LARA, H., SIEGESMUND, S., ORIOLO, S., HUECK, M., WEMMER, K., BASEI, M.A.S., OYHANTÇABAL, P. (2022): Reevaluando la evolución polifásica del Terreno Punta del Este, Uruguay. – Abstract, Actas X Congreso Uruguayo de Geología. Montevideo, ISSN: 2815-6978.

  • SILVA LARA, H., SIEGESMUND, S., WEMMER, K., HUECK, M., BASEI, M.A.S., OYHANTÇABAL, P. (2022): La Formación Sierra de Aguirre, Uruguay: Volcanismo ediacárico post-colisional en el cinturón Dom Feliciano. – Abstract, Actas X Congreso Uruguayo de Geología. Montevideo, ISSN: 2815-6978.

  • MESSLING, N., HEGNER, E., JODDER, J., HOFMANN, A., WEMMER, K. & WILLBOLD, M. (2023): Remobilization of Tungsten in Archean Cratons: Insights from W Isotope Compositions of Volcanic Rocks from the Kaapvaal and Singhbhum Cratons. – Abstract, Goldschmidt 2023 Conference, 9.-17. July 2023, Lyon; France.

  • SILVA LARA, H., SIEGESMUND, S., WEMMER, K., HUECK, M., BASEI, M.A.S., OYHANTÇABAL, P. (2022): The Sierra de Aguirre Formation, Uruguay: Post-collisional Ediacaran volcanism in the southernmost Dom Feliciano Belt. – Abstract, 19th Symposium Tectonics – Structural Geology – Crystalline Geology, TSK19, Hallesches Jahrbuch 51(Vol 1): 50.

  • SILVA LARA, H., SIEGESMUND, S., ORIOLO, S., HUECK, M., WEMMER, K., BASEI, M.A.S., OYHANTÇABAL, P. (2022): Reassessing the polyphase Neoproterozoic evolution of the Punta del Este Terrane. – Abstract, 19th Symposium Tectonics – Structural Geology – Crystalline Geology, TSK19, Hallesches Jahrbuch 51(Vol 1): 51.

  • SILVA LARA, H., SIEGESMUND, S., WEMMER, K., HUECK, M., BASEI, M.A.S., OYHANTÇABAL, P. (2022): Ediacaran magmatism in the southern Dom Fleliciano Belt: The Sierra de Aguirre Formation, Uruguay: – Poster, 19th Symposium Tectonics – Structural Geology – Crystalline Geology, TSK19, 09.-11.03.2022, Halle (Saale), Germany.

  • SILVA LARA, H., SIEGESMUND, S., ORIOLO, S., HUECK, M., WEMMER, K., BASEI, M.A.S., OYHANTÇABAL, P. (2022): Reassessing the polyphase Neoproterozoic evolution of the Punta del Este Terrane. – Poster, 19th Symposium Tectonics – Structural Geology – Crystalline Geology, TSK19, 09.-11.03.2022, Halle (Saale), Germany.

  • ORIOLO, S., SCHULZ, B., HUECK, M., OYHANTCABAL, P., HEIDELBACH, F., SOSA, G.M., VAN DEN KERKHOF, A., WEMMER, K., FOSSEN, H., DRUGUET, E., WALTER, J. & SIEGESMUND, S. (2021): Analytic strategies to understand progressive deformation. – Conference Paper, XVIII Reunión de Tectónica, 24. + 25.11.2021; San Luis, Argentina.

  • LEISS, B., WAGNER, B., HEINRICHS, T., ROMANOV, D., TANNER, D.C., VOLLBRECHT, A. & WEMMER, K. (2021): Integrating deep, medium and shallow geothermal energy into district heating and cooling system as an energy transition approach for the Göttingen University Campus. - Conference Paper, World Geothermal Congress 2020+1, Reykjavik, Iceland, April - October 2021.

  • MAFFINI, M.N., SOSA, G.M., VAN DEN KERKHOF, A.M., CONIGLIO, J.E. DEMARTIS, M. & WEMMER, K. (2021): Entrapment and re-equilibration of fluid inclusions in hydrothermal veins related to transtensional shear zones – Poster, e-CROFI 2021 (Current Research on Fluid Inclusions), 28.07.-02.08.2021.

  • MAFFINI, M.N., SOSA, G.M., VAN DEN KERKHOF, A.M., CONIGLIO, J.E. DEMARTIS, M. & WEMMER, K. (2021): Entrapment and re-equilibration of fluid inclusions in hydrothermal veins related to transtensional shear zones – Abstract, e-CROFI 2021 (Current Research on Fluid Inclusions), 28.07.-02.08.2021.

  • SOSA, G., VAN DEN KERKHOF, A., OYHANTCABAL, P., WEMMER, K. & ORIOLO, S.:(2021): Deciphering progressive deformation on quartz veins by means of fluid inclusions and cathodoluminescence. – Abstract, e-CROFI 2021 (Current Research on Fluid Inclusions), 28.07.-02.08.2021.

  • REMBE, J., SOBEL, E.R., KLEY, J., ZHOU, R., WEMMER, K., JIE, C. & LIU, L. (2020): Cimmerian timing of nappe emplacement in the North East Pamir. – Abstract, GeoUtrecht 2020, virtual conference, 23.-26.08.2020, Utrecht, The Netherlands.

  • HUECK, M., WEMMER, K., BASEI, M.A.S., PHILIPP, R.P., ORIOLO, S., HEIDELBACH, F., OYHANTÇABAL, P. SIEGESMUND, S. (2020): Constraining recurrent shear zone activity and the trasition from ductile to brittle deformation: White mica geochronology applied to a major Neoproterozoic shear zone in South Brazil. – Poster, Understanding earthquakes using the geological record, Scientific meeting, The Royal Society, London, 17.-18.02.2020, London, UK.

  • KOSHNAW, R., KLEY, J., SCHLUNEGGER, F., WEMMER, K., VON EYNATTEN, H. & WILLBOLD, M. (2020): Linking deep-Earth processes, basin stratigraphy, and topographic build-up during the Neogene Zagors orogeny in the Kurdistan region of Iraq. – Abstract, EUG General Assembly, 03.-08.05.2020, Vienna, Austria.

  • WALTER, J.M., NOLTE-MOSER, N., WEMMER, K., MERK, S. & REVAY, Z. (2019): Non-Destructive Bulk Analysis of Critical Metals in Smartphones. – Abstract, MLZ User Meeting, 10. – 11.12.2019, Munich, Germany.

  • DRISTAS, J.A., MASQUELIN, H., WEMMER, K. & MARTÍNEZ, J.C.: Mineralogía, petrografía y datación de un perfil en la Cantera González en el contacto entre la parte basal de la Formación Piedras de Afilar y un microgabro intrusivo, departamento Maldonado, Uruguay. – Abstract, IX. Congreso Uruguayo de Geología, 04.-08.11.2019, Trinidad, Uruguay.

  • SOSA, G., VAN DEN KERKHOF, A., WEMMER, K., PAULLIER, F., SPORTURNO, J. & OYHANTÇABAL, P. (2019): Multistage evolution of Neoproterozoic quartz-gold vein mineralization, Dom Feliciano orogenic belt, Uruguay. – Abstract, 25rd Latin American Colloquium, 18.-21. September 2019, Hamburg, Germany.

  • GÖTZ, A.E., HANCOX, J., HORVÁTH, P., RUCKWIED, K., WEMMER, K. & WHEELER, A. (2019): The Permian Whitehill event recorded in glauconitic sandstones (Karoo Basin, South Africa). - Poster, 19th International Congress on the Carboniferous and Permian (XIX ICCP 2019) 29.07.-02.08.2019, Cologne, Germany.

  • ROTEVATN, A., JACKSON, C.A.-L., TVEDT, A.B.M., BELL, R.E., BLÆKKAN, I., KRISTENSEN, T., KSIENZYK, A.K., WEMMER, K., HENSTRA, G.A., MIDTKANDAL, I., GRUNDVÅG, S.-A. & ANDRESEN, A. (2019): How do normal faults grow over a range of spatial (experiment to full-rift) and temporal (seconds to 100s Myr) scales? – Abstract, EGU General Assembly, 07.-12.04.2019, Vienna, Austria.

  • SOSA, G.M., PAULLIER, F., VAN DEN KERKHOF, A.M., WEMMER, K., SPORTUNO, J. & OYHANTÇABAL, P. (2018): Ediacaran quartz-gold vein mineralization in the Paleoproterozoic basement, “El Tarumán”, Pirarajá, Uruguay. – Poster, 15th Quadrennial Symposium of the International Association on the Genesis of Ore Deposits (IAGOD), 28.-31. August 2018, Salta, Argentina.

  • PAULLIER, F., SOSA, G.M., VAN DEN KERKHOF, A.M., WEMMER, K., SPORTUNO, J. & OYHANTÇABAL, P. (2018): Ediacaran quartz-gold vein mineralization in the Paleoproterozoic basement, “El Tarumán”, Pirarajá, Uruguay. – Abstract, 15th Quadrennial Symposium of the International Association on the Genesis of Ore Deposits (IAGOD), 28.-31. August 2018, Salta, Argentina.

  • PAULLIER, F., SOSA, G.M., VAN DEN KERKHOF, A.M., WEMMER, K., SPORTUNO, J. & OYHANTÇABAL, P. (2018): Ediacaran quartz-gold vein mineralization in the Paleoproterozoic basement, “El Tarumán”, Pirarajá, Uruguay. – Poster, 15th Quadrennial Symposium of the International Association on the Genesis of Ore Deposits (IAGOD), 28.-31. August 2018, Salta, Argentina.

  • ORIOLO, S., WEMMER, K., OYHANTÇABAL, P., FOSSEN, H., SCHULZ. B. & SIEGESMUND, S. (2018): Geochronology of shear zones: Use with caution. – Abstract, XV. Chilean Geological Congress, 18.-23 November 2018, Concepción, Chile.

  • REMBE, J., SOBEL, E.R., KLEY, J., ZHOU, R., WEMMER, K., JIE, C. & LIU, L. (2018): The influence of Mesozoic structures on the Cenozoic Pamir – The most external occurence of the Karakul-Mazar nappe, Chinese Pamir. – Poster, 17. Symposium of Tectonics, Structural Geology and Crystalline Geology (TSK), 19.-25.03.2018, Jena, Germany.

  • SOSA, G.M., PAULLIER, F., VAN DEN KERKHOF, A.M., WEMMER, K., SPORTUNO, J. & OYHANTÇABAL, P. (2018): Ediacaran quartz-gold vein mineralization in the Paleoproterozoic basement, “El Tarumán”, Pirarajá, Uruguay. – Abstract, 15th Quadrennial Symposium of the International Association on the Genesis of Ore Deposits (IAGOD), 28.-31. August 2018, Salta, Argentina.

  • SCHMITZ, B., USTASZEWSKI, K., WEMMER, K., ONUZI, K. & MUCEKU, B. (2017): Kinematics and age of the orogen-perpenticular Shkodër-Peja-Normal-Fault, northern Albania. - Poster, 13th Workshop on Alpine Geological Studies, 07.-18.09.2017, Zlatibor, Serbia.

  • SÜSSENBERGER, A., WEMMER, K. & SCHMIDT, S.T. (2017): The zone of incipient 40Ar* loss: Introducing a new concept of Ar degassing behavior in a contact metamorphic setting. - Abstract, GSA Annual Meeting, 22.-25.10.2017, Seattle, Washington, USA.

  • KOWALSKA, S., HALAS, S., WÓJTOWICZ, A., WEMMER, K. & MIKOLAJEWSKI, Z. (2017): Methodological aspects of K-Ar dating in application to sedimentary basins thermal history reconstruction. - Abstract, 16th International Clay Conference, 17. - 21.07.2017, Granada, Spain.

  • SÜSSENBERGER, A., WEMMER, K. & SCHMIDT, S.T. (2017): Monitoring the Ar retentivity of K/Ar illite fine fraction ages in the contact metamorphic aureole of the Torres del Paine intrusion (Chile). - Abstract, 16th International Clay Conference, 17. - 21.07.2017, Granada, Spain.

  • SCHOMBERG, A.C., WEMMER, K., WARR, L. & GRATHOFF, G. (2017): K-Ar age determinations on clay size fine fractions of CIS samples (Crystallinity Index Standard). - Abstract, 16th International Clay Conference, 17. - 21.07.2017, Granada, Spain.

  • SCHMITZ, B., USTASZWESKI, K., WEMMER, K., ONUZI, K. & MUCEKU, B. (2017): Kinematics and age of the orogen-perpendicular Shkoder-Peja-Normal-Fault, northern Albania. - Abstract, 13th Workshop on Alpine Geological Studies, 7.-18.09.2017, Zlatibor, Serbia.

  • MARTÍNEZ DOPICO, C.I., LÓPEZ DE LUCHI, M.G., WEMMER, K., LUPPO, T., RAPALINI, A.E. & BUCETA, G. (2017): Geochronology and geochemistry of hybrid quartz monzogabbro to granodiorite stocks of the Valcheta Plutonic Complex, northeastern Patagonia. - Abstract, XX. Congreso Geológico Argentino, 07.-11.082017, San Miguel de Tucumán, Argentina.

  • MARTÍNEZ DOPICO, C.I., LÓPEZ DE LUCHI, M.G., RAPALINI, A.E., LUPPO, T., WEMMER, K., TOVHER, E. & CAWOOD, P. (2017): Selective reopening of low temperature isotopic systems in micas during the Lower Jurassic in NE Patagonia. - Abstract, XX. Congreso Geológico Argentino, 07.-11.082017, San Miguel de Tucumán, Argentina.

  • GRATHOFF, G., FREIBURG, J., WENKEL, K., PELTZ, M. WARR, L. & WEMMER, K. (2017): Illite polytype quantification and K-Ar illite age analysis: A revisit to the Illinois Basin. - Abstract, Clay Minerals Society, Annual Meeting, 05.-08.06.2017, Edmonton, Alberta, Canada.

  • HUECK, M., ORIOLO, S., DUNKL, I., WEMMER, K., OYHANTÇABAL, P., SCHANOFSKI, M., P., BASEI, M.A.S. & SIEGESMUND, S. & SCHMIDT, S.TH. (2016): Phanerozoic low-temperature evolution of the Uruguayan Shield. - Abstract, VIII Congresso Uruguayo de Geología, Montevideo, Uruguay, 17.-19.11.2016

  • KOEHL, J.-B., WEMMER, K. & BERGH, S.G. (2016): Shallow faulting and westwards migration of rifting from mid-Permian times in North Norway, evidence from K/Ar radiometric dating. - Abstract, Comparing offshore and onshore thermal histories: low-T thermochronology of the Utsira High, western Norway. - Geophysical Research Abstracts, Vol. 18, EGU 2016-11723, EGU General Assembly 2016.

  • SCHMIDT, S. & WEMMER, K. (2016): Dating the hydrothermal-burial alteration event(s) in the Proterozoic basaltic North Shore Volcanic Group, Minnesota. - Abstract, GSA Abstract Vol. 48, No. 7, GSA Annual Meeting, Denver, Colorado, USA, 25. - 28.09.2016.

  • KSIENZYK, A.K., WEMMER, K., ROTEVATN, A., FAZLIKHANI, H., JACOBS, J., & FOSSEN, H. (2016): Post-Caledonian fault activity in W-Norway: onshore and offshore don´t match? Or do they? - Abstract, Geological Society of Norway, 3rd Conference on Onshore-offshore relationships on the North Atlantic Margins, Trondheim, Norway, 19. + 19. 10.2016.

  • ORIOLO, S., OYHANTÇABAL, P., BASEI, M.A.S., WEMMER, K. & SIEGESMUND, S. (2016): The Nico Perez Terrane (Uruguay): An allochthonous block accreated to the Río de la Plata Craton margin during the Neoproterozoic. - Abstract, VIII Congresso Uruguayo de Geología, Montevideo, 17.-16.11.2016.

  • ORIOLO, S., OYHANTÇABAL, P., BASEI, M.A.S., HEIDELBACH, F., WEMMER, K. & SIEGESMUND, S. (2016): The Sarandí del Yí shear zone (Uruguay) and the Neoproterozoic evolution oft he Río de la Plata Craton. - Abstract, VIII Congresso Uruguayo de Geología, Montevideo, 17.-16.11.2016.

  • KSIENZYK, A.K., JACOBS, J., FOSSEN, H., WOZNITZA, T., WEMMER, K. & DUNKL, I. (2016): Comparing offshore and onshore thermal histories: low-T thermochronology of the Utsira High, western Norway. - Geophysical Research Abstracts, Vol. 18, EGU 2016-11723, EGU General Assembly 2016.

  • KSIENZYK, A.K., JACOBS, J., FOSSEN, H., DUNKL, I. & WEMMER, K. (2016): Uplift and faulting oft he Utsira High basement: evidemce from low-T thermochronology. - Abstract, 32nd Nordic Geological Winter Meeting, Helsinki, 13-15 January, 2016.

  • HANSEN, B.T., WEMMER, K., ECKHARDT, M., PUTTHAPIBAN, P. & ASSAVAPATCHARA, S. (2015): New Isotope Dating oft he Salt Deposit at Bamnet Narong, NE-Thailand. - Abstract, 5th GEOINDO, International Conference on Geology, Geotechnology and Mineral Resources of Indochina, 23.-24.11.2015, Khon Kaen, Thailand.

  • HERMANSEN, C., WOZNITZA, T., KSIENZYK, A.K., JACOBS, J., DUNKL, I.,WEMMER, K. & FOSSEN H. (2015): New apatite fission track and (U-Th)/He ages from the Rogaland area: Mesozoic reactivation of brittle structures. - Abstract, Vinterkonferansen 2015, Norsk Geologisk Forening, Stavanger, 12.-14.01.2015.

  • KSIENZYK, A.K., WEMMER, K., JACOBS, J., FOSSEN H. & ROTEVATN, A. (2015): Dating fault activity in SW Norway: K/Ar analyses of illite from fault gouges. - Abstract, Vinterkonferansen 2015, Norsk Geologisk Forening, Stavanger, 12.-14.01.2015.

  • NOBILE, J.C., COLLO, G., DÁVILA, F.M. & WEMMER, K. (2014): K-Ar fault gouge dating in northern Argentine broken foreland. - Abstract, 23rd Latin American Colloquium, 25.-27. March 2014, Heidelberg, Germany.

  • NOBILE, J.C., COLLO, G., DÁVILA, F.M. & WEMMER, K. (2014): Neogene reactivation of older structures evidenced by K-–Ar fault gouge dating in northern Argentine broken foreland. - Abstract, 9th South American Symposium on Isotope Geology, 6.-9. April 2014, Sao Paulo, Brazil.

  • NOBILE, J.C., COLLO, G., DÁVILA, F.M. & WEMMER, K. (2014): K-Ar fault gouge dating in northern Argentine broken foreland. - Abstract, XIX Congreso Geológico, 02.-06. June 2014, Córdoba, Argentina.

  • OYHANTÇABAL, P., EIMER-WAGNER, M., WEMMER, K., SCHULZ, B., FREI, R. & SIEGESMUND, S. (2014): Paleo- and Neoproterozoic magmatic and tectonometamorphic evolution of the Isla Cristalina de Rivera (Uruguay) and correlation with the Santa María Chico and Valentines granulite complexes of southern Brazil and Uruguay. - Abstract, 9th South American Symposium on Isotope Geology, 6.-9. April 2014, Sao Paulo, Brazil.

  • SOSA, G.M., VAN DEN KERKHOF, A.M., WEMMER, K., LÜDERS, V., PLESSEN,B. & MONTENEGRO, T. (2014): Fluid inclusions, isotopic fluid composition and new age datings of rare-metal pegmatites, Sierra de San Luis, Argentina . - Abstract, 23rd Latin American Colloquium, 25.-27. March 2014, Heidelberg, Germany.

  • BRAUKMÜLLER, N., HANNICH, F., HANSEN, B.T., VOLLBRECHT, A. & WEMMER, K. (2014): Exceptional younging of glauconite K/Ar and Rb/Sr ages from Ordovician platform carbonates of Öland (SE-Sweden) - evidence for far-field effects of the Caledonian orogeny. - Abstract, 15. TSK, Potsdam, 31.03.-04.04.2014.

  • KSIENZYK, A.K., KOHLMANN, F., JACOBS, J., FOSSEN, H., DUNKL, I. & WEMMER, K.: (2013) The effect of North Sea and North Atlantic rifting on onshore SW Norway: evidence from low-temperature thermochronology. - Abstract, 3P Arctic Conference, 15.-18.10.2013 Stavanger, Norway.

  • MARTÍNEZ DOPICO, C.I., RAPALINI, A.E., LÓPEZ DE LUCHI, M.G. & WEMMER, K. (2013): Assembly of shallow intrusions from multiple magma pulses in La Esperanza Plutonic Complex, Northpatagonian Massif, Argentina. – Extended abstract, Latinmag Letters, Volume 3, OB06, 1-5. Proceedings Montevideo, Uruguay.

  • HANSEN, B.T., WEMMER, K., PUTTHAPIBAN, P., KLEINHANNS, I.C. & WILSKY, F. (2013): Do SHRIMP analyses confirm the lack of Precambrian Basement in Thailand? – Abstract, LIPs 2013, International Symposium, Large Igneous Provinces of Asia, Hanoi, Vietnam, 7.-11- November. ISBN: 978-604-913-158-5.

  • SOSA, G.M., VAN DEN KERKHOF, A.M., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S. & WEMMER, K. (2013): Las Chacras-Potrerillos Batholite Granite, Sierra de San Luis, Argentina: A Fluid Inclusion Study. – Abstract, ECROFI XXII, European Current Research on Fluid Inclusions, 07.-09. June 2013, Antalya, Turkey.

  • ROTEVATN, A., KSIENZYK, A.K., SOMME, T.O., WEMMER, K., FOSSEN, H., & JACOBS, J. (2013): Timing of brittle deformation associated with the Nordfjord-Sogn Detachment Zone: preliminary results from K/Ar illite dating. - Abstract, Nordic Geological Winter Meeting, Oslo 2013.

  • WILL, P., LÜDERS, V., WEMMER, K. & GILG, H.A. (2013): Pyrophyllit-Lagerstätte Ueffeln und Tongrube "Am Frettberg" (N' Osnabrück, Norddeutschland): Vergleichende mineralogisch-geochemische Untersuchung und K-Ar-Datierung der Metapelite. - Abstract, International DTTG Workshop on qualitative and quantitative analysis of clays and clay minerals, Karlsruhe, 25.02.-01.03.2013, Band 13.

  • ORIOLO, S., OYHANTÇABAL, P., WEMMER, K. & SIEGESMUND, S. (2012): The Sarandí del Yí shear zone (Uruguay): kinematics, deformation conditions and tectonic significance. - Abstract, XV Reunión de Tectonica, 11. – 14. October 2012, San Juan, Argentina.

  • KSIENZYK, A.K., KOHLMANN, F., DUNKL, I., WEMMER, K., JOCOBS, J. & FOSSEN, H. (2012): Late Caledonian orogenic collapse and Permian-Mesozoic rifting: dating onshore faults in SW Norway with low-temperature thermochronological methods. - Abstract, Conference on Onshore-Offshore relationships on the North Atlantic Margin, Trondheim, Norway, 17.-18.10.2012.

  • KSIENZYK, A.K., KOHLMANN, F., DUNKL, I., WEMMER, K., JOCOBS, J. & FOSSEN, H. (2012): Post-Caledonian orogenic collapse and continental rifting in south-western Norway: constraints from low-temperature thermochronology. - Abstract, 13th International Conference on Thermochronology, Guilin, China, 24.-28. 08. 2012.

  • LÓPEZ DE LUCHI, M.G., CERREDO, M.E. & WEMMER, K. (2012): Time constraints for the tectonic evolution of the SW corner of the North Patagonian Massif, Argentina. – Abstract, VIII. South American Symposium on Isotope Geology, 05. – 07. July 2012; Medellín, Columbia.

  • LÓPEZ DE LUCHI, M.G., RAPALINI, A.E., TOHVER, E., MARTÍNEZ DOPICO, C.I., CAWOOD, P. & WEMMER, K. (2012): Cambrian and Ordovician magmatism in Northern Patagonia: a record of the Pampean and Famatinian Orogens? - Abstract, VIII. South American Symposium on Isotope Geology, 05. – 07. July 2012; Medellín, Columbia.

  • MORA, C.A.S., CAMPANHA, G.A. & WEMMER, K. (2012): Micro-estruturas e idades K/Ar em frações finas com ilita das rochas cataclásticas associadas à Zona de Cisalhamento Camburu – São Sebastião (SP). – Abstract, 46th Brazilian Geological Congress, 30.09. – 05.10.2012, Santos/São Paulo.

  • OYHANTÇABAL, P., SIEGESMUND, S . & WEMMER, K: (2012): Redefinition of the Río de la Plata Craton – Review of units, boundaries, ages and isotopic signature. – Abstract, VIII. Simposio Sudamericano Geología Isotópica, Medellín, Colombia, 05. - 07.07.2012.

  • SEN, F., KORAL, H. & WEMMER,K. (2012): Geotectonic significance of dykes in the Istanbul Paleozoic Sequence, Western Pontides: preliminary results. – Abstract, International Earth Science Colloquium on the Aegean Region, IESCA-2012, 01.-05. October, Izmir, Turkey.

  • WILL, P., LÜDERS, V., WEMMER, K. & GILG, H.A. (2012): The Ueffeln Pyrophyllite Deposit, Western Lower Saxony Basin, Germany. - Abstract, 6th Mid-European Clay Conference (MECC`12), September 4-9, 2012, Pruhonice, Czech Republic, Book of Abstracts: 46.

  • BENSE, F.A., WEMMER, K., LÖBENS, S., DUNKL, I., COSTA, C.H., LAYER, P. & SIEGESMUND, S. (2011): K-Ar fault gouge dating in the Sierra de Comechingones (Argentina). – Abstract, 22. Lateinamerika-Kolloquium, Heidelberg, 30.03. - 01.04.2011.

  • KSIENZYK, A.K., DUNKL, I., WEMMER, K., JACOBS, J., FOSSEN, H. & KOHLMANN, F. (2011): The age of post-Caledonian faulting and its effect on the distribution of apatite fission track and (U-Th)/He ages in the Bergen area (SW Norway). - Abstract, Nordic Geological Winter Meeting, Stavanger, Norway, 2010.

  • LÖBENS, S., BENSE, F.A., WEMMER, K. & SIEGESMUND, S. (2011): New aspects on the uplift and exhumation history by low-T thermochronology in the Sierra de Comechingones (Argentina). - Abstract, 22. Lateinamerika-Kolloquium, Heidelberg, 30.03. - 01.04.2011.

  • LÓPEZ DE LUCHI, M.G., IANNIZZOTTO, N.F., GUENA, S., RAPALINI, A.E., SIEGESMUND, S. & WEMMER, K. (2011): Middle Devonian magmatism of the Sierra de San Luis. – Abstract, VII Hutton Symposium on Granites and Related Rocks, Avila, Spain, 4-9 July 2011.

  • OYHANTÇABAL, P., SIEGESMUND, S., WEMMER, K. (2011): The Río de la Plata Craton and the associated allochthonous terranes: boundaries, ages, isotopic signature and mineral resources. – Abstract, International Conference on Craton Formation and Destruction (ICCFD), Beijing, April 25-29, 2011.

  • SÜSSENBERGER, A., WEMMER, K. & BRITO NEVES, B.B. (2011): Dating the deformation and very low-grade metamorphism of the Chapada Diamantina, Bahia, NE Brazil. - Abstract, 22. Lateinamerika-Kolloquium, Heidelberg, 30.03. - 01.04.2011.

  • DAVIDS, C., BERGH, S.G., WEMMER, K. & LAYER, P. (2010): K-Ar and 40Ar/39Ar geochronology of post Caledonian extension in Vesterålen and Troms, northern Norway. - Nordic Geological Winter Meeting, Oslo 2010.

  • GIANOTTI, V., OYHANTCABAL, P., SPORTUNO, J. & WEMMER, K.: (2010): Caracterización Geologíco-Estructural y estudio micrótectonico de las zonas de cizalla de Colonia. - Abstract, Congreso Uruguayo de Geología, Actas VI°, 12.-14.05.2010, Minas, Uruguay.

  • KSIENZYK, A., TØRRESEN, S., JOHANSEN, L., KUMAR, R., DUNKL, I., WEMMER, K., JACOBS, J., FOSSEN, H. & EMMEL, B. (2010): Post-Caledonian fault activity in the Bergen area (southwestern Norway): New insights from low-temperature thermochronology. - Nordic Geological Winter Meeting, Oslo 2010.

  • KSIENZYK, A., DUNKL, I., WEMMER, K., KOHLMANN, F., KUMAR, R., JACOBS, J., FOSSEN, H. & EMMEL, B. (2010): Post-Caledonian fault activity in the Bergen area (southwestern Norway): New insights from low-temperature thermochronology. – Abstract, 12th International Conference on Thermochronology, Glasgow, 16-20. August 2010.

  • DROBE, M., LÓPEZ de LUCHI, M.G., STEENKEN, A., FREI, R., NAUMANN, R., SIEGESMUND, S. & WEMMER, K. (2009): Provenance of the Late Proterozoic to Early Cambrian sediments of the Sierra de San Luis (Eastern Sierras Pampeanas) and the Cordillera Oriental, Argentina. – Poster and Abstract, Latin American Kolloquium, Göttingen, 07.-09.04.2009.

  • KSIENZYK, A.K., JOHANSEN, L., JACOBS, J., FOSSEN, H., EMMEL, B., 6 WEMMER, K. (2009): New apatite fission-track data from the Bergen area (southwestern Norway): Indication for a fault-dissected basin margin? - Abstract, Nordic Geological Winter Meeting, Bergen, Norway, 13-15.01.2009.

  • FULLGRAF, T., SAVANIER, D., AFFATON, P., CABY, R., COCHERIE, A., GOSCOMBE, B., LAHONDERE, D., LE METOUR, J., TEGYEY, M. & WEMMER, K. (2008): Tectono-metamorphic evolution of the Pan-African Gourma orogen, Mali. – Abstract, 22th Coll. on African Geology, 04.-06.11.2008, Hammamet, Tunesia.

  • KSIENZYK, A.K., JOHANSEN, L., JACOBS, J., FOSSEN, H., EMMEL, B. & WEMMER, K. (2008): Detailed apatite fission-track studies in the Bergen area (southwest Norway): Indication for fault-dissected basin margin? - Abstract, 11th International Conference on Thermochronometry, Anchorage, USA, 15.-18.09.2008.

  • LÓPEZ DE LUCHI, M.G., CERREDO, M.E., STEENKEN, A., SIEGESMUND, S., WEMMER, K. & MARTINO, R.D. (2008): The Conlara Metamorphic Complex: a Pampean metamorphic event in the Sierra de San Luis, Argentina. – Abstract, XVII. Congreso Geológico Argentino, San Salvador de Jujuy, 7. – 10. October 2008.

  • LÓPEZ DE LUCHI, M.G., WEMMER, K. & RAPALINI, A.E. (2008): The cooling history of the North Patagonian Massif: first results fort he granitoids of the Valcheta area, Río Negro, Argentina. – Abstract, VI. South American Symposium on Isotope Geology, San Carlos de Bariloche - Argentina – 13.-17.04.2008.

  • PASSARELLI, C.R., WEMMER, K., BASEI, M.A.S. & SIGA Jr., O. (2008): Tectono-thermal evolution of the SE São Paulo State precambrian terranes. – Abstract, VI. South American Symposium on Isotope Geology, San Carlos de Bariloche - Argentina – 13.-17.04.2008.

  • PASSARELLI, C.R., WEMMER, K., SIGA Jr., O. & BASEI, M.A.S. (2008):U-Pb and K-Ar Geochronological Constraints on the Tectonothermal Evolution of the Precambrian Terranes of the SE São Paulo State, Brazil. – Abstract, #713, American Geophysical Union, Fall Meeting 2008, San Fransisco, USA.

  • PLESSEN, B., WEMMER,K., LÜDERS, V. & HOTH, P. (2008): Ammonium-bearing illites in Namurian shales from the North German Basin. – Abstract, 4th Mid-European Clay Conference MECC´08, Clays in Oil and Gas Industry,22.-27.09.2008, Zakopane, Poland.

  • STEENKEN, A., LÓPEZ DE LUCHI. M.G., WEMMER, K., SIEGESMUND, S., MARTINO, R.D. & DROBE, M. (2008): Differential post-metamorphic cooling and uplift history of the Eastern Sierras Pampeanas. - Abstract, VI. South American Symposium on Isotope Geology, San Carlos de Bariloche - Argentina – 13.-17.04.2008.

  • DUNKL, I., LIN, D., MONTOMOLI, C., WEMMER, K., RANTITSCH, G., EL BAY, R. & APPEL, E. (2007): Diagenetic and metamorphic overprint and deformation history of Permo-Triassic Tethyan sediments, SE Tibet. – Abstract, 22nd Himalaya-Karakoram-Tibet Workshop, Hong Kong, May 2007.

  • DUNKL, I., LIN, S., MONTOMOLI, C., WEMMER, K., RANTITSCH, G., ELBAY, R., & APPEL, E. (2007): Deformation history and metamorphic overprint of the “Tibetan Sedimentary Sequence” in the Himalayan chain (South-East Tibet). – Poster, 16th DRT Conference (Deformation mechanisms, Rheology and Tectonics), Milano-Oropa, 27.09.– 02.10.2007.

  • HARRIES, D., EWIAK, O., LÖBENS, S., PRECHTEL, F., ERTL, G., BENSE, F., OYHANTCABAL, P., SIEGESMUND, S. & Wemmer, K. (2007): A geological map of the Sierra Ballena Shear Zone and its western basement, northeast of Villa Serrana, Dom Feliciano Belt (Uruguay) – Abstract, V Congreso Uruguayo de Geología, Montevideo, 10.-12.10.2007.

  • HENK, A., DAVAA, B. GEERDTS, P., VOGLER, M., & WEMMER, K. (2007): Structure and evolution of the Tamtsag Basin /NE-Mongolia. – Abstract, EGU General Assembly, 15.-20.04.2007, Wien.

  • LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., WEMMER, K., STEENKEN, A. & NAUMANN, R. (2007): Geochemical constraints on the petrogenesis of the paleozoic granitoids of the Sierra de San Luis, Sierras Pampeanas, Argentina. – Abstract, Sixth Hutton Symposium, Stellenbosch, South Africa, 02.-06.07.2007.

  • OYHANTÇABAL, P., SIEGESMUND, S., WEMMER, K., FREI, R. & LAYER, P. (2007): Post-collisional transition from calc-alkaline to alkaline magmatism during transcurrent deformation in the southernmost Dom Feliciano Belt (Braziliano – Pan African, Uruguay). – Poster, 20. Lateinamerika-Kolloquium, 10.-13.04.2007, Kiel.

  • OYHANTÇABAL, P., SIEGESMUND, S., WEMMER, K., FREI, R. & LAYER, P. (2007): Evolution, kinematics and deformation conditions of the Sierra Ballena Shear Zone in the southernmost Dom Feliciano Belt (Braziliano – Pan-African, Urugay). – Poster, 20. Lateinamerika-Kolloquium, 10.-13.04.2007, Kiel.

  • PETRI, R., CHRIST, D., GRATHOFF, G., DUNKL, I., RANTITSCH, G., WEMMER, K., MIKES, T., HRVATOVIC, H. & EYNATTEN, E. VON (2007): Geology of the Bosnian Flysch (Sarajevo – Zenica area, Bosnia and Herzegovina) Part 2: Deformation and burial history. – Poster, Sediment 2007, 12.-14.09.2007, Brixen, Italien.

  • STEENKEN, A., MARTINO, R.D., WEMMER, K., DROBE, M., LÓPEZ DE LUCHI, M.G. & SIEGESMUND, S. (2007): Differential Cooling And Uplift Of The Eastern Sierras Pampeanas (Central Argentina) – Poster, V Congreso Uruguayo de GeologÍa, Montevideo, 10.-12.10.2007.

  • STEENKEN, A., SIEGESMUND, S., LÒPEZ DE LUCHI, M.G., FREI, R., WEMMER, K. & DROBE, M. (2007): Neoproterozoic to Early Palaeozoic events in the Sierra de San Luis: Implications for the Famatinian geodynamics in the Eastern Sierras Pampeanas (Argentina). – Poster, 20. Lateinamerika-Kolloquium, 10.-13.04.2007, Kiel.

  • VOLLBRECHT, A., LEISS, B., TANNER, D. & WEMMER, K. (2007): Syn-deformational metablastesis of K-feldspar in mafic mylonites of the Loftahammar-Linköping-Deformation Zone (SE-Sweden).- Poster, DRT Conference (Deformation mechanisms, Rheology and Tectonics), Rend. Soc. Geol. It., 5, Nuova Serie, 218.

  • DOUBLIER, M.P., POTEL, S., FRANKE, W. & WEMMER, K. (2006): Dating of tectono-metamorphic evolution in foreland belts: a combined study of very low-grade metamorphism and K-Ar geochronology in Montagne Noire (S-France) – Abstract, Réunion des Sciences de la Terre, Dijon, 04.-08.12.2006
    • .
  • LÓPEZ DE LUCHI, M.G., CERREDO, M.E., WEMMER, K. (2006): Time Constrains for the Tectonic Evolution of the SW Corner of the North Patagonian Massif, Argentina. - Abstract, 221, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • LÓPEZ DE LUCHI, M.G., STEENKEN, A., MARTINO, R., SIEGESMUND, S. & WEMMER, K. (2006):Tectonic evolution of the Sierra de San Luis and ist implications for the early paleozoic accretional history in the southwest of Gondwana. – Abstract, GSA Annual Meeting, Mendoza, Argentina, 3.-7. April 2006.

  • LOUREIRO, J., WEMMER, K. & SÁNCHEZ BETTUCCI, L. (2006): New K-Ar ages from the Sierra de los Rios Formation, Northeastern Uruguay. - Abstract, 220, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • MARTINO, R., GUERESCHI, A., WEMMER, K., LÓPEZ DE LUCHI, M.G., STEENKEN, A. & SIEGESMUND, S. (2006): Cooling age constrains on the tectonic activity of the Los Túneles Shear Belt, Eastern Pampean Range of Córdoba, Argentina. - Abstract, 222, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • OYHANTÇABAL, P., SIEGESMUND, S., FREI, R., WEMMER, K. & LAYER; P. (2006): Timing of the Sierra Ballena Transcurrent Shear Zone in the Southern Extreme of the Dom Feliciano Belt (Uruguay). – Abstract, 232, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • OYHANTÇABAL, P., SIEGESMUND, S., WEMMER, K. & NAUMANN, R. (2006): Age and geochemical Signature of post-Collisional Plutons of the Southern Extreme of the Dom Feliciano Belt (Uruguay). – Abstract, 230, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • OYHANTÇABAL, P., WEMMER, K., SIEGESMUND, S. &. SPORTUNO, J. (2006): K/Ar geochronology of the Mosquitos Shear Zone (Piedra Alta Terrane - Río de la Plata Craton – Uruguay). – Abstract, 231, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • PASSARELLI, C.R., BASEI, M.A.S., WEMMER, K., Mc REATH, I. & SIGA Jr, O. (2006): Calc-Alkaline to Alkaline Syntectonic Granites of the Major Gercino Shear Zone, Santa Catarina State, Brazil. - Abstract, 233, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • PLESSEN, B., LÜDERS, V., HOTH, P. & WEMMER, K. (2006): The generation and migration of nitrogen in the North-German Basin. – Abstract, EUG General Assembly, Wien, 02. – 07.04.2006.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S. & WEMMER, K (2006): Famatinian granulite facies metamorphism in the central basement domain of the Sierra de San Luis, Eastern Sierras Pampeanas, Argentina. – Abstract, Granulites and Granulites 2006, Brasilia, Brazil, 10.-12.07.2006.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S. & WEMMER, K (2006): Tectonic history of the basement domains of the Sierra de San Luis. – Abstract, XIII. Reunión de Tectónica, 16. al 20 de octubre 2006, San Luis, Argentina.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., FREI, R. & WEMMER, K. (2006): Long Lasting High Temperature Metamorphism in the Sierra de San Luis and ist relation to the amalgamation of the Cuyania Terrane (Argentina). - Abstract, 245, V. South American Symposium on Isotope Geology, Punta del Este, Uruguay, 24. – 27. April 2006.

  • DOUBLIER, M.P., POTEL, S., FRANKE, W. & WEMMER, K. (2005): Metamorphic evolution of southern flank of Montagne Noire (Variscan belt, France) and its implications. – Abstract, System Earth and Biosphere Coupling, International Conference and Annual Meeting of GV and DGG, September 24.-29., 2005, Erlangen, Germany.

  • DOUBLIER, M.P., POTEL, S., FRANKE, W., WEMMER, K. & BRANDT, I. (2005): From compression to extension in an external part of the Variscan belt: new geochronological and tectonometamorphic data (S French Massif Central). – Abstract, System Earth and Biosphere Coupling, International Conference and Annual Meeting of GV and DGG, September 24.-29., 2005, Erlangen, Germany.

  • LÓPEZ DE LUCHI, M.G., CERREDO, M.E., WEMMER, K. & PAWLIG, S. (2005): Cooling and Nd model ages of the Devonian to Late Paleozoic-Triassic units of the SW corner of the North Patagonian Massif. – 16th Cong. Geol. Argentino, La Plata, Argentina, 20.-23.09.2005, Actas 1: 273-278.

  • LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., STEENKEN, A., WEMMER, K. & NAUMANN, R. (2005): Multi stage interactions between mantle derived magmas and crustal melts: an example of the Devonian magmatism of the Sierra de San Luis, Argentina. – Abstract, 3rd Symposium on Contaminated Granites, GAC MAC 2005: 116, Halifax, Canada.

  • MARTINO, R., STEENKEN, A., LÓPEZ DE LUCHI, M.G., WEMMER, K. & SIEGESMUND, S. (2005): Phyllites and Meta-Conglomerates of the San Luis Formation at Cañada Honda: Kinematics and Time Constraints. - Abstract, Gondwana 12: 247, Mendoza, Argentina.

  • MARTINO, R., STEENKEN, A., WEMMER, K., SIEGESMUND, S. & LÓPEZ DE LUCHI, M.G. (2005): Age constraints on the tectonic activity of the Guacha Coral Shear Zone, Sierra de Comechingones, Córdoba. - Abstract, Gondwana 12: 248, Mendoza, Argentina.

  • OYHANTÇABAL, P., SIEGESMUND, S., WEMMER, K. & SÁNCHEZ-BETTUCCI, L. (2005): The evolution of Sierra Ballena Shear Zone (Dom Feliciano Belt) and its correlation with the Purros Shear Zone (Kaoko Belt). - Abstract, Gondwana 12, Mendoza, Argentina, 6.-11.November 2005.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., MARTINO, R., SIEGESMUND, S. & WEMMER, K. (2005): SHRIMP dating of the El Peñón granite: a time marker at the turningpoint between the Pampean and Famatinian cycles within the Conlara Metamorphic Complex (Sierra de San Luis, Argentina? - Actas del XVI Congreso Geológico Argentino, Tomo I: 889-896, La Plata, Argentina, 20.-23.09.2005.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., & WEMMER, K. (2005): The thermal impact by the accommodation of mafic melts within the central basement complex of the Sierra de San Luis: constrains from numeric modelling. – Actas del XVI Congreso Geológico Argentino, Tomo I: 265-272, La Plata, Argentina, 20.-23.09.2005.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., & WEMMER, K. (2005): Post metamorphic differential cooling in the Sierra de San Luis, Argentina. – Abstract, Gondwana 12: 345, Mendoza, Argentina, 6.-11. November 2005..

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., & WEMMER, K. (2005): Crustal origin of granitoid rocks in the Sierra de San Luis, Argentina: a forward modelling approach. – Abstract, Gondwana 12: 344, Mendoza, Argentina, 6.-11. November 2005.

  • VÁSQUEZ, P.S., FRANZ, G. & WEMMER, K. (2005): Fe-rich silicates in the Cobquecura pluton: An indicator of a-type granitoids in the Triassic magmatism of south-central Chile. - 6th International Symposium on Andean Geodynamics (ISAG 2005, Barcelona), Extended Abstracts: 773-775.

  • DOUBLIER, M.P., FRANKE, W., BRANDT, I.W., POTEL, S. & WEMMER, K. (2004): Polymetamorphism in the palaeozoic sediments of the Montagne Noire: nappe stacking and extension. – Abstract, International Earth Science Meeting of GV and SGF, Straßburg, France, 20. – 26.09.2004.

  • LÓPEZ DE LUCHI, M.G., SIEGESMUND, S., STEENKEN, A., WEMMER, K. & NAUMANN, R. (2003): Magmatism of the Sierra de San Luis, Argentina: a record of protracted convergence along the western margin of Gondwana. Vth Hutton Symposium on granites and related rocks, Toyohashi, Japan.

  • SIEGESMUND, S., STEENKEN, A., LÓPEZ DE LUCHI, M.G., WEMMER, K., HOFFMANN, A. & MOSCH, S. (2003): The Las Chacras-Potrerillos Batholith (Pampean Ranges, Argentina): structural evidences, emplacement and timing of the intrusion. Vth Hutton Symposium on granites and related rocks, Toyohashi, Japan.

  • STEENKEN, A., WEMMER, K., LÒPEZ de LUCHI, M.G. & SIEGESMUND, S. (2003): The cooling history of the basement complex of the Sierra de San Luis (Eastern Sierras Pampeanas/Argentina) and its implication for Famatinian vs. Achalian events based on K/Ar-Geochronology. – Reviewed Abstract for IVth South American Symposium on Isotope Geology, Salvador da Bahia, Brazil.

  • HANSEN, B. T., PAPE, B., WEMMER, K., ASSAVAPATCHARA, S. & SALYAPONGSE, S. (2002): Still searching for the Pre-Cambrian Basement: New Isotope age Determinations from the Crystalline Rocks in SE and S Thailand. – Proceedings of the Symposium on Geology of Thailand. Bangkok 26.-31. August 2002: 22-23.

  • HANSEN, B.T., WEMMER, K., PAWLIG, S., KLAUS, J., ASSAVAPATCHARA, S., MARAKOT, N., CHAIRANGSEE, C., & PUTTHAPIBAN, P. (2002): Isotopic Evidence for a Late Cretaceous age the Potash and Rock Salt Deposit at Bamnet Narong, NE Thailand. – Proceedings of the Symposium on Geology of Thailand. Bangkok 26.-31. August 2002: 120.

  • LÓPEZ DE LUCHI, M.G., HOFFMANN, A., SIEGESMUND, S., WEMMER, K. & STEENKEN, A. (2002): Temporal constrains on the polyphase evolution of the Sierra de San Luis. Preliminary report based on muscovite and biotite cooling ages. In: CABALERI, N., LINEARES, E., LÓPEZ DE LUCHI, M.G., OSTERA, H. & PANARELLO, H. (Eds). Actas 15 Congreso Geológico Argentino, I: 309-315.

  • SIEGESMUND, S., STEENKEN, A., LÓPEZ DE LUCHI, M.G. & WEMMER, K., (2002): Syn-tectonic emplacement of the Las Chacras-Potrerillos Batholith. – Abstract, XIth Reunión sobre Microtectonic y Geología Estructural, Córdoba.

  • STEENKEN, A., LÓPEZ DE LUCHI, M.G., SIEGESMUND, S. & WEMMER, K. (2002): An insight into the structural evolution of the Sierra de San Luis (southeastern Sierras Pampeanas, Argentina); a progress report. In: CABALERI, N., LINEARES, E., LÓPEZ DE LUCHI, M.G., OSTERA, H. & PANARELLO, H. (Eds). Actas 15 Congreso Geológico Argentino, I: 312-325.

  • STEENKEN, A., SIEGESMUND, S., LÓPEZ DE LUCHI, M.G. & WEMMER, K. (2002): The emplacement of the Las Chacras-Potrerillos Batholith (Sierra de San Luis, Argentina): constrains from field observation, microstructures, magentic fabrics and age determinations. Session on the anisotropy of magnetic susceptibility of granitic rocks: new methodological developments, interpretations and challenges. – GSA Annual Meeting, Abstracts with Programms, 34(6), Denver Annual Meeting (October 27-30, 2002).

  • AHRENDT, H., RIBBERT, K.H., VANGUESTAINE. M. & WEMMER, K. (2001): K-Ar and acritarch dating of phyllite clasts from a resedimented Middle Devonian conglomerate in the northwestern part of theRhenish Slate Mountains. – Abstract, Meuse-Rhine Euregio Geologists, Meeting in the Haute-Fagnes (Belgium), May, 4th-5th, 2001.

  • ROSNER, M., WEMMER, K. & KEMNITZ, H. (2001): Dating low-grade metamorphic events: A case study from the Vesser Zone and the Schwarzburg Anticline (NW Saxothuringian-Zone; Mid-European Variscides). – Proceedings for the AGU 2001 fall meeting (10. -14. 12. 2001), San Francisco, USA, EOS Transactions, http://earth.agu.org/meetings/.

  • BUETTNER, S., GLODNY, J., LUCASSEN, F., WEMMER, K., NEUBAUER, F. & FRANZ, G. (2000): Time deformation relations of lower Paleozoic metamorphism and magmatism in the Sierra de Quilmes (NW Argentina). - Abstract, 17. Geowissenschaftliches Lateinamerika-Kolloquium, 11.-13.10.2000; Stuttgart (www.geologie.uni-stuttgart.de/profil/).

  • BUETTNER, S., LUCASSEN, F., WEMMER, K., NEUBAUER, F., GLODNY, J. & FRANZ, G. (2000): Time-deformation relations of Ordovician metamorphism and magmatism of the pre-Andean crust: The Sierra de Quilmes (NW Argentina), Abstract, 31th Int. Geol. Congr., Rio de Janeiro, Brazil, 6.-17.08.2000.

  • AHRENDT, H., ANHORN, S., VOGEL, N. & WEMMER, K. (1999): K-Ar age determinations and Illte Crystallinity in very low grade metamorphic sediments – New insights from a quantitative analysis. – Abstract, European Clay Association, Euroclay 99, Krakow, Poland, 5.-9.9.1999: 53.

  • BECCIO, R., LUCASSEN, F., FRANZ, G., VIRAMONTE, J. & WEMMER, K. (1999): El Basamento Paleozoico inferior del Noroeste de Argentina (23°-27°S) - Metamorfismo y Geochronologia: - Relatorio del XIV Congreso Geológico Argentino, Salta -1999, Geología del Noroeste Argentino, Tomo I: 58-72

  • AHRENDT, H., WEMMER, K. & NEUROTH, H. (1998): K-Ar systematics on detrital white micas and fine mineral fractions from the Barrandian of the Prague syncline/Czech Republic. – Abstract, Acta Universitatis Carolinae-Geologica, 42/2: 204.

  • LINDSAY, J., DESILVA, S., TRUMBULL, R. & WEMMER, K (1998): New age and stratigraphic constraints on the eruptive sequence from the La Pacana Caldera, North Chile. – Abstract, 16th Latin-American Conference on Geosciences, Bayreuth, 14-16. October 1998.

  • MUELLER, J.P., JACOBSHAGEN, V., WEMMER, K. & AHRENDT, H. (1998): Crustal shortening in the backarc of the Central Andes, Eastern Cordillera (S Bolivia).- Abstract, GSA Annual Meeting, Toronto, Vol. 30, No. 7, A-238, BTH 45.

  • MÜLLER, J.P., JAKOBSHAGEN, V., WEMMER, K. & AHRENDT, H. (1998): The Tupiza Fault Zone: Polyphase Tectonic Reactivation of an Early Paleozoic Intracontinental Slope Break in the Eastern Cordillera, S. Bolivia. – Abstracts, 16th Latin-American Conference on Geosciences, Bayreuth, 14-16. October 1998

  • AHRENDT, H., HANSEN, B., LUMJUAN, A., MICKEIN, A. & WEMMER, K. (1997): Tectonometamorphic evolution of NW-Thailand deduced from U/Pb-, Rb-Sr-, Sm/Nd- and K/Ar-isotope investigations. - Extended Abstract, International Conference on Stratigraphy and Tectonic Evolution of Southeast Asia and the South Pacific, Bangkok, Thailand, 19-24 August 1997: 314-319.

  • DÖRR, W., FIALA, J., SCHASTOK, J., SCHEUVENS, D., WULF, S., ZULAUF, G., AHRENDT, H. & WEMMER, K. (1997): Dating of fault related plutons along terrane boundaries in the Bohemian Massif. - EUG 9 General Assembly, Strasbourg, Terra Nova Vol 9, Abstract Supplement No.1: 100.

  • LEPVRIER, C., NGUYEN VAN VUONG, MALUSKI, H., & WEMMER, K. (1997): Deformational history of the Blue River Fault Zone (Sông Ca) and the role of Tertiary tectonics in northern Central Viet Nam. - EUG 9 General Assmbly, Strasbourg, Terra Nova Vol 9, Abstract Supplement No.1: 337.

  • MALUSKI, H., LEPVRIER, C., NGUYEN VAN VUONG & WEMMER, K. (1997): Overprinting of Indosinian terranes in the Truong Son belt (Central to Northern Viet Nam). - EUG 9 General Assembly, Strasbourg, Terra Nova Vol 9, Abstract Supplement No.1: 491.

  • PASSARELLI, C.R., BASEI, M.A.S., AHRENDT, H., WEMMER, K. & SIGA JR, O. (1997): Geochronological evolution of Major Gercino shear zone, south Brazil. - Extended abstract, South-American Symposium on Isotope Geology, June 15-18, Sao Paulo, Brazil, 231-233.

  • WILKE, H.-J., LUCASSEN, F. & WEMMER, K. (1997): Chemistry and isotopic ages of metamorphic basement and intrusions. - VIII Congreso Geológico Chileno, Universidad Catolica del Norte, Actas Vol II/6: 1593-1597.

  • AHRENDT, H., HANSEN, B.T., VOLLBRECHT, A. &WEMMER, K. (1996): Geochrono¬logical and structural investigations in the Västervik area (Transscandina¬vian Granite-Porphyry Belt).- Abstract and Poster for the Eurobridge Workshop, 8.-15. June 1996, Oskarshamn, Sweden.

  • LUCASSEN, F., WILKE, H.G., VIRAMONTE, J., BECCHIO, R., FRANZ, G., LABER, A. & WEMMER, K. (1996): The Metamorphic Basement of the Central Andes (18°-26°) - did terranes arrive during Paleozoic ? – Abstract, 16. Geowissenschaftliche Lateinamerika-Kolloquium, Univ. Hamburg, 16.-18. Oktober 1996

  • LUCASSEN, F., WILKE, H.G., VIRAMONTE, J., BECCHIO, R., FRANZ, G., LABER, A., WEMMER, K. & VROON, P. (1996): The Paleozoic Basement of the Central Andes (18°-26°) - A Metamorphic View. – Abstract, Third International Symposion on Andean Geodynamics, St. Malo (France), Abstract Volume, ORSTOM editions, Paris: 779-782.

  • TAWACKOLI, S., JACOBSHAGEN, V., WEMMER, K. & ANDRIESSEN, P.A.M. (1996): The Eastern Cordilliera of southern Bolivia: a key region to the Andean backarc uplift and deformation history. – Extended abstract, Third International Symposium on Andean Geodynamics (ISAG), St. Malo, France, ORSTOM, Paris, 505-508

  • BASEI, M.A.S., AHRENDT, H., WEMMER, K. & PASSARELLI, C.R. (1995): Evolução policíclica da Zona de Cisalhamento Major Gercino, Santa Catarina, Brasil.- V. Simposio Nacional de Estudos Tectônicos, Gramado, 19-22 de Novembro: Extended Abstracts: 371-373.

  • GRATHOFF, G.H., MOORE, D., HAY, R.L. & WEMMER, K. (1995): Illite Polytype Quantification in Illinois Basin Shales using WildfireTM. A Tool to Quantify Diagenetic and Detrital Illite. - Abstract for the GSA Annual Meeting, New Orleans, Louisiana, USA; November 6-9, 1995.

  • GRATHOFF, G.H., MOORE, D., HAY, R.L. & WEMMER, K. (1995): Illite from Lower Paleozoic Shales and Shale Partings in the Illinois Basin: Mineralogy & K/Ar Age. - Abstract for the Clay Mineral Society of America Annual Meeting, Baltimore, MD, USA; June 3-8, 1995.

  • GRATHOFF, G.H., MOORE, D., HAY, R.L. & WEMMER, K. (1995): Kinetic Modeling and the Anomalous History of Lower Paleozoic Rocks in the Illinois Basin. - Abstract for the GSA Annual Meeting, Denver, CO, USA; October 28-31, 1996.

  • MICKEIN, A., AHRENDT, H., HANSEN, B., LUMJUAN, A. & WEMMER, K. (1995): New Age Information on the History of the Basement Rocks of Thailand. - In: WANNAKAO, L., YOUNGME, W., BUAPHAN, C., SRISUK, K. & LERTSIRIVORAKUL, R.: Proc. of the Intern. Conf. on Geology, Geotechnology and Mineral Resources of Indochina, 22.-25. November 1995, Khon Kaen, Thailand.

  • WEMMER, K., AHRENDT, H. & HANSEN, B. (1995): K/Ar Age Determinations on Sediments and Basement Rocks from Viet Nam - First Results of a Pilot Study. - Postersession of the International Symposium on Geoloy of Southeast Asia, a Joint Meeting of IGCP 306, 321 & 359, 4.-6. November 1995, Ha Noi, Viet Nam.

  • AHRENDT, H., HANSEN, B. T. & WEMMER, K. (1994): Tertiary nappe and thrust tectonics in western Thailand deduced from U/Pb, Rb/Sr and K/Ar age determinations. - Abstract, AAPG 1994 International Conference, Kuala Lumpur, Malaysia.

  • AHRENDT, H., HANSEN, B. T., LUMJUAN, A., MICKEIN, A. & WEMMER, K. (1994): Tertiary décollement tectonics in western Thailand and its implications on the stratigraphy and paleogeographic reconstructions.- In: IGCP 306 Proc. of the International Symposium on Stratigraphic Correlation of Southeast Asia, 15.-20. Nov. 1994, Bangkok, Thailand.

  • HANSEN, B. T., AHRENDT, H., LUMJUAN, A., MICKEIN, A. & WEMMER, K. (1994): Do the high grade metamorphic rocks in NW-Thailand represent the basement of the Paleozoic strata ?- In: IGCP 306 Proc. of the International Symposium on Stratigraphic Correlation of Southeast Asia, 15.-20. Nov. 1994, Bangkok, Thailand.

  • FRANZKE, H.J., WEMMER, K. & WERNER, W. (1992): Die strukturelle Entwicklung mineralisierter Störungszonen im Schwarzwald. Abstract zum Vortrag, Konferenz in Cheb.