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Prof. Dr. Karsten Haase

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Haase, K.M.Freund, S., Koepke, J., Hauff, V. and Erdman, M. (2015): Melts of sediments in the mantle wedge of the Oman ophiolite. Geology 03/2015. doi: 10.1130/G36451.1


Freund, S., Haase, K.M., Keith, M., Beier, C., and Garbe-Schönberg, D., 2014.  Constraints on the formation of geochemically variable plagiogranite intrusions in the Troodos Ophiolite, Cyprus. Contributions to Mineralogy and Petrology 167, 

Genske, F.S., Turner, S.P., Beier, C., Chu, M.-F., Tonarini, S., Pearson, N.J. and Haase, K.M., 2014. Lithium and boron isotope systematics in lavas from the Azores islands reveal crustal assimilation. Chemical Geology 373, 27-36.

Haase, K.M., Lima, S., Krumm, S., and Garbe-Schönberg, D., 2014. The magmatic evolution of young island arc crust observed in gabbroic to tonalitic xenoliths from Raoul Island, Kermadec Island Arc. Lithos 210-211, 199-208.

Keith, M., Haase, K.M., Schwarz-Schampera, U., Klemd, R., Petersen S. and Bach, W., 2014. Effects of temperature, sulfur, and oxygen fugacity on the composition of sphalerite from submarine hydrothermal vents.  Geology,  doi:10.1130/G35655.1

Regelous, M., Haase, K.M., Freund, S., Keith, M., Weinzierl, C., Beier, C., Brandl, P.A., Endres, T., Schmidt, H., 2014. Constraints on the origin of the Troodos Ophiolite from trace elements in volcanic glass. Chemical Geology 386, 66-79, doi:  10.1016/j.chemgeo.2014.08.006

Timm, Chr., Davy, B., Haase, K., Hoernle, K.A., Graham, I.J.,  de Ronde, C.E.J., Woodhead, J., Bassett, D., Hauff, F., Mortimer, N., Seebeck, H.C., Wysoczanski, R.J., Caratori-Tontini, F. & Gamble, R.J. (2014): Subduction of the oceanic Hikurangi Plateau and its impact on the Kermadec arc. - Nature Communications 5, Article number: 4923, Opens external link in new windowdoi:10.1038/ncomms5923

Zhang, X., Klemd, R., Gao, J., Dong, L.-H., Wang, X.-S., Haase, K., Jiang, T., Qian, Q., 2014. Metallogenesis of the Zhibo and Chagangnuoer volcanic iron oxide deposits in the Awulale Iron Metallogenic Belt, Western Tianshan orogen, China. J. Asian Earth Sci., doi: 10.1016/j.jseaes.2014.06.004



Genske, F.S., Beier, C., Haase, K.M., Turner, S.P., Krumm, S. and Brandl, P.A., 2013. Oxygen isotopes in the Azores islands: Crustal assimilation recorded in olivine. Geology 41, 491-494.

Brandl, P.A., Regelous, M., Beier, C., and Haase, K.M., 2013. High mantle temperatures following rifting caused by continental insulation. Nature Geoscience 6, 392-394. doi: 10.1038/NGEO1758.

Charreteur, G., Tegner, C., and Haase, K., 2013. Multiple ways of producing intermediate and silicic rocks within Thingmuli and other Icelandic volcanoes. Contributions to Mineralogy and Petrology 166, 471-490. doi: 10.1007/s00410-013-0886-1.

Elkins, L.J., Sims, K.W.W., Prytulak, J., Blichert-Toft, J., Elliott, T., Blusztajn, J., Fretzdorff, S., Reagan, M., Haase, K., Humphris, S., and Schilling, J.-G., 2013. Melt generation beneath Arctic Ridges: Implications from U decay series disequilibria in the Mohns, Knipovich, and Gakkel Ridges. Geochimica et Cosmochimica Acta, doi: 10.1016/j.gca.2013.11.031.    

Freund, S., Beier, C., Krumm, S., and Haase, K.M., 2013. Oxygen isotope evidence for the formation of andesitic–dacitic magmas from the fast-spreading Pacific–Antarctic Rise by assimilation–fractional crystallisation. Chemical Geology 347, 271-283.

Mayer, B., Jung, S., Romer, R.L., Stracke, A., Haase, K.M., and Garbe-Schönberg, C.-D., 2013. Petrogenesis of Tertiary hornblende-bearing lavas in the Rhön, Germany. Journal of Petrology, doi: 10.1093/petrology/egt042.

O’Connor, J.M., Steinberger, B., Regelous, M., Koppers, A.A.P., Wijbrans, J.R., Haase, K.M., Stoffers, P., Jokat, W., Garbe-Schönberg, C.-D., 2013. Constraints on past plate and mantle motion from new ages for the Hawaiian-Emperor Seamount Chain,  Geochemistry, Geophysics, Geosystems.

Shallaly, N.A., Beier, C., Haase, K.M., and Hammed, M.S., 2013. Petrology and geochemistry of the Tertiary Suez Rift volcanism, Sinai, Egypt. Journal of Volcanology and Geothermal Research 267, 119-137.


Beier, C., Mata, J., Stöckhert, F., Mattielli, N., Brandl, P.A., Madureira, P., Genske, F.S., Martins, S., Madeira, J., and Haase, K.M., 2012. Geochemical evidence for melting of carbonated peridotite on Santa Maria Island, Azores. Contributions to Mineralogy and Petrology 165, 823-841. doi: 10.1007/s00410-012-0837-2.

Beier, C., Haase, K.M., and Turner, S.P. 2012. Conditions of melting beneath the Azores. Lithos 144-145, 1-11, doi: 0.1016/j.lithos.2012.02.019.

Brandl, P.A., Beier, C., Regelous, M., Abouchami, W., Haase, K.M., Garbe-Schönberg, D., and Galer, S.J.G., 2012. Volcanism on the flanks of the East Pacific Rise: Quantitative constraints on mantle heterogeneity and melting processes. Chemical Geology 298-299, 41-56, doi: 10.1016/j.chemgeo.2011.12.015.

Haase, K.M., Beier, C., Fretzdorff, S., Smellie, J.L., and D. Garbe-Schönberg, 2012. Magmatic evolution of the South Shetland Islands, Antarctica, and implications for continental crust formation. Contributions to Mineralogy and Petrology 163, 1103-1119, doi : 10.1007/s00410-012-0719-7.

Krienitz, M.-S., Garbe-Schönberg, C.-D., Romer, R.L., Meixner, A., Haase, K.M., and Stroncik, N.A., 2012. Lithium isotope variations in ocean island basalts - implications for the development of mantle heterogeneity. Journal of Petrology 10.1093/petrology/egs052.


Cramer, B.C., Munnecke, A., Schofield, D.I., Haase, K.M., and Haase-Schramm, A., 2011. A revised 87Sr/86Sr curve for the Silurian: Implications for global ocean chemistry and the Silurian timescale. Journal of Geology 119, 335-349. Doi: 10.1086/660117.

Haase, K.M., Krumm, S., Regelous, M., and Joachimski, M., 2011. Oxygen isotope evidence for the formation of silicic Kermadec island arc and Havre-Lau backarc magmas by fractional crystallization. Earth and Planetary Science Letters 309, 348-355, Doi: 10.1016/j.epsl.2011.07.014

Haase, K.M., Regelous, M., Duncan, R.A., Brandl, P.A., Stroncik, N., and Grevemeyer, I. , 2011. Insights into mantle composition and mantle melting beneath mid-ocean ridges from post-spreading volcanism on the fossil Galapagos Rise. Geochemistry, Geophysics, Geosystems. Doi: undefined10.1029/2010GC003482.

Haase, K.M., 2011. Geochemistry of the Oceanic Crust. In: Contributions of Geochemistry to the Study of the Earth (Harmon, R. and Parker, A., eds.), Wiley-Blackwell. pp. 61-83.

Hoernle, K., Hauff, F., Kokfelt, T.F., Haase, K., Garbe-Schönberg, D., and Werner, R., 2011.  On- and off-axis chemical heterogeneities along the South Atlantic Mid-Ocean-Ridge (5–11°S): Shallow or deep recycling of ocean crust and/or intraplate volcanism?   Earth and Planetary Science Letters. DOI: undefined10.1016/j.epsl.2011.03.032.


Devey, C.W., German, C.R., Haase, K.M., Lackschewitz, K., und Melchert, B., 2010. The relationships between volcanism, tectonism and hydrothermal activity on the Southern Equatorial Mid-Atlantic Ridge. In „Diversity of hydrothermal systems on slow-spreading ocean ridges“. American Geophys. Union Geophys. Monogr. 188, 133-152.

Haase, K.M., Beier, C., Fretzdorff, S., Leat, P.T., Livermore, R.A., Barry, T.L., Pearce, J.A., and Hauff, F., 2010. Magmatic evolution of a dying spreading axis: evidence for the interaction of tectonics and mantle heterogeneity from the fossil Phoenix Ridge, Drake Passage. Chemical Geology 280, 115-125, doi: undefined10.1016/j.chemgeo.2010.11.002.

John, T., Layne, G.D., Haase, K.M., and Barnes, J.D., 2010. Chlorine isotope evidence for crustal recycling into the Earth’s mantle. Earth and Planetary Science Letters 298, 175-182.  doi: undefined10.1016/j.epsl.2010.07.039.

Krienitz, M.-S., and Haase, K.M., 2010. The evolution of the Arabian lower crust and lithospheric mantle – geochemical constraints from southern Syrian mafic and ultramafic xenoliths. Chemical Geology 280, 271-283, doi: undefined10.1016/j.chemgeo.2010.11.015.


Krienitz, M.-S., Haase, K.M., Mezger, K., van den Bogaard, P., Thiemann, V. and Shaikh-Mashail, M.A., 2009. Tectonic events, continental intraplate volcanism and mantle plume activity in northern Arabia: constraints from geochemistry and Ar-Ar dating of Syrian lavas. Geochemistry, Geophysics, Geosystems, doi:undefined10.1029/2008GC002254.

Haase, K.M., A. Koschinsky, S. Fretzdorff, S. Petersen, J. Stecher, R.Seifert, H. Paulick, O. Giere, and the M64/1 Scientific Party, 2009. Diking, young volcanism and diffuse hydrothermal activity on the southern Mid-Atlantic Ridge: the Lilliput field at 9°33’S. Marine Geology 266, 52-64, doi: undefined10.1016/j.margeo.2009.07.012.

Haase, K.M., Fretzdorff, S., Mühe, R., Garbe-Schönberg, D. und Stoffers, P., 2009. A geochemical study of off-axis seamount lavas at the Valu Fa Ridge: constraints on magma genesis and slab contributions in the southern Tonga subduction zone. Lithos 112, 137-148, doi: undefined10.1016/j.lithos.2009.05.041.


Almeev, R., Holtz, F., Koepke, J., Haase, K., and Devey, C., 2008. Depths of partial crystallization and H2O contents of MORB inferred from glass compositions: phase equilibria simulations of basalts at the MAR near Ascension Island (7°-11°S). Journal of Petrology 49, 25-45.undefined10.1093/petrology/egm068

Beier, C., Haase, K.M., Abouchami, W., Krienitz, M.-S., und Hauff, F., 2008. Magma genesis by rifting of oceanic lithosphere above anomalous mantle: Terceira Rift, Azores. Geochemistry, Geophysics, Geosystems, doi: undefined10.1029/2008GC002112.

Haase, K.M. and Renno, A.D., 2008. Variation of magma generation and mantle sources during continental rifting observed in Cenozoic lavas from the Eger Rift, Central Europe, Chemical Geology 257, 195-205doi: undefined10.1016/j.chemgeo.2008.09.003.

Stroncik, N.A., S. Niedermann, and K.M. Haase, 2008. Plume-ridge interaction revisited: Evidence for melt mixing from He, Ne and Ar isotope and abundance systematics, Earth and Planetary Science Letters 268, 424-432.


Beier, C., Stracke, A., und Haase, K.M., 2007. The peculiar geochemical signatures of São Miguel (Azores) lavas: metasomatised or recycled mantle sources? Earth and Planetary Science Letters 259, 186-199.

Perner, M., R. Seifert, S. Weber, A. Koschinsky, K. Schmidt, H. Strauss, M. Peters, K. Haase, and J.F. Imhoff, 2007. Sulfur cycling as the prominent microbial mechanism associated with low-temperature (5°C) emissions at the southernmost known hydrothermal field (Lilliput) on the Mid-Atlantic Ridge (9°S). Environmental Microbiology 9, 1186-1201.

Stroncik, N., Niedermann, S., und Haase, K.M., 2007. Neon and helium isotopes as tracers of mantle reservoirs and mantle dynamics. Earth and Planetary Science Letters 258, 334-344.

Krienitz, M.-S., Haase, K.M., Mezger, K., and Shaikh-Mashail, M.A., 2007. Magma genesis and mantle dynamics at the Harrat Ash Shamah Volcanic Field (southern Syria). Journal of Petrology 48, 1513-1542.undefined10.1093/petrology/egm028

Haase, K.M., S. Petersen, A. Koschinsky, R. Seifert, C.W. Devey, N. Dubilier, S. Fretzdorff, D. Garbe-Schönberg, C.R. German, O. Giere, R. Keir, J. Kuever, K.S. Lackschewitz, J. Mawick, H. Marbler, B. Melchert, C. Mertens, H. Paulick, M. Perner, M. Peters, S. Sander, O. Schmale, T.M. Shank, J. Stecher, H. Strauss, J. Süling, U. Stöber, M. Walter, M. Warmuth, S. Weber, U. Westernströer, D. Yoerger, and F. Zielinski, 2007. Young volcanism and related hydrothermal activity at 5°S on the slow-spreading southern Mid-Atlantic Ridge. Geochemistry, Geophysics, Geosystems 8, doi: undefined10.1029/2006GC001509.


Haase, K.M., Stroncik, N., Garbe-Schönberg, C.-D., and Stoffers, P., 2006. Formation of island arc dacite magmas by extreme crystal fractionation: An example from Brothers Seamount, Kermadec Island Arc (SW Pacific). Journal of Volcanology and Geothermal Research 152, 316-330.

Beier, C., Haase, K.M., and Hansteen, T.H., 2006. Magma evolution of the Sete Cidades volcano, São Miguel, Azores. Journal of Petrology 47, 1375-1411.

Krienitz, M.-S., Haase, K.M., Mezger, K., Eckardt, V., and Shaikh-Mashail, M.A., 2006. Magma genesis and crustal contamination of continental intraplate lavas in NW Syria. Contributions to Mineralogy and Petrology 151, 698-716, doi: undefined10.1007/s00410-006-0088-1.


Haase, K.M., Stroncik, N., Hékinian, R., and Stoffers, P., 2005. Nb-depleted andesites from the Pacific-Antarctic Rise as analogues for early continental crust. Geology 33, 921-924. DOI: 10.1130/G21899.1.


Haase, K.M., Goldschmidt, B., and Garbe-Schönberg, C.-D., 2004. Petrogenesis of Tertiary continental intraplate lavas from the Westerwald region, Germany. Journal of Petrology 45, 883-905.

Devey, C.W., and Haase, K.M., 2004. The sources for hotspot volcanism in the South Pacific Ocean. In: Hékinian, R., Cheminee, J.-L., and Stoffers, P. (eds.) Oceanic Hotspots: Intraplate submarine magmatism and tectonism, Springer, Berlin, S. 253-284.

Mertz, D.F., Sharp, W., and Haase, K.M., 2004. Volcanism on the Eggvin Bank (Central Norwegian-Greenland Sea, latitude ~71°N): Age, source, and relationship to the Iceland and putative Jan Mayen plumes. Journal of Geodynamics 38, 57-83.

Stroncik, N.A., and Haase, K.M., 2004. Chlorine in oceanic intraplate basalts: Constraints on mantle sources and recycling processes. Geology 32, 945-948. DOI: 10.1130/G21027.1

Fretzdorff, S., Worthington, T.J., Haase, K.M., Hékinian, R., Keller, R.A., and Stoffers, P., 2004. Magmatism in the Bransfield Basin: Rifting of the South Shetland Arc? Journal of Geophysical Research, doi: 10.1029/2004JB003046.

John, T., Scherer, E., Haase, K., and Schenk, V., 2004. Trace element fractionation during fluid-induced eclogitization in a subducting slab: trace element and Lu-Hf / Sm-Nd isotope systematics. Earth and Planetary Science Letters 227, 441-456.


Haase, K.M., Devey, C.W., and Wieneke, M., 2003. Petrology and geochemistry of basalts from the northern Kolbeinsey Ridge, North Atlantic: Implications for magmatic processes and mantle heterogeneity beneath a slow-spreading segment. Contributions to Mineralogy and Petrology 144, 428-448.

Haase, K.M., and C. Beier, 2003. Tectonic control of ocean island basalt sources on São Miguel island, Azores? Geophysical Research Letters 30, DOI: 10.1029/2003GL017500.

John, T., Schenk,  V., Haase, K., Scherer, E., and Tembo, F., 2003. Evidence for a Precambrian ocean in south central Africa from MORB-type geochemical signatures and P-T estimates of Zambian eclogites. Geology 31, 243-246.

Fretzdorff, S., Haase, K.M., Leat, P.T., Livermore, R.A., Garbe-Schönberg, C.-D., Fietzke, J., and Stoffers, P., 2003. 230Th-238U disequilibrium in East Scotia back-arc basalts: implications for slab contributions. Geology 31, 693-696.


Haase, K.M., 2002. Geochemical constraints on magma sources and mixing processes in Easter Microplate MORB (SE Pacific): A case study of plume-ridge interaction. Chemical Geology 182, 335-355.

Haase, K.M., Worthington, T., Stoffers, P., Garbe-Schönberg, C.-D., and Wright, I.C., 2002. Mantle dynamics, element re-cycling, and magma genesis beneath the Kermadec Arc–Havre Trough. Geochemistry, Geophysics, Geosystems 3, DOI 10.1029/2002GC000335.

Fretzdorff, S., and Haase, K.M., 2002. Geochemistry and petrology of lavas from the submarine flanks of Réunion Island (western Indian Ocean): Implications for magma genesis and the mantle source. Mineralogy and Petrology 75, 153-184.


Haase, K.M., Mühe, R. and Stoffers, P., 2000. Magma generation during lithospheric extension: Geochemical constraints from lavas of the Shaban Deep, northern Red Sea. Chemical Geology 166, 223-237.

Haase, K.M., Mertz, D.F., Sharp, W.S. and Garbe-Schönberg, C.-D., 2000. Sr-Nd-Pb isotope ratios, geochemical compositions, and 40Ar/39Ar data of lavas from San Felix Island (Southeast Pacific): Implications for magma genesis and sources. Terra Nova 12, 90-96.


Puchtel, I.S., Arndt, N.T., Hofmann, A.W., Haase, K.M., Kröner, A., Kulikov, V.S., Kulikova, V.V., Garbe-Schönberg, C.-D., and Nemchin, A.A., 1998. Petrology of mafic lavas within the Onega plateau, central Karelia: Evidence for the 2.0 Ga plume-related continental crustal growth in the Baltic Shield. Contributions to Mineralogy and Petrology 130, 134-153.

Geldmacher, J., Haase, K.M., Devey, C.W. and Garbe-Schönberg, C.-D., 1998. The petrogenesis of Tertiary cone-sheets in Ardnamurchan, NW Scotland: Petrological and geochemical constraints on crustal contamination and partial melting. Contributions to Mineralogy and Petrology 131, 196-209.


Haase, K.M., Stoffers, P., and Garbe-Schönberg, C.D., 1997. The petrogenetic evolution of lavas from Easter Island and neighbouring seamounts, near-ridge hotspot volcanoes in the SE Pacific. Journal of Petrology 38, 785-813.

Puchtel, I.S., Haase, K.M., Hofmann, A.W., Chauvel, C., Kulikov, V.S., Garbe-Schönberg, C.-D., and Nemchin, A.A., 1997. Petrology and geochemistry of crustally contaminated komatiitic basalts from the Vetreny Belt, southeastern Baltic Shield: Evidence for a Paleoproterozoic mantle plume beneath rifted Archean continental lithosphere. Geochimica et Cosmochimica Acta 61, 1205-1222.

Mertz, D.F., and Haase, K.M., 1997. The radiogenic isotope composition of the high-latitude North Atlantic mantle. Geology 25, 411-414.


Haase, K.M., Hartmann, M., and Wallrabe-Adams, H.-J., 1996. The geochemistry of ashes from Vesterisbanken Seamount, Greenland Basin: Implications for the evolution of an alkaline volcano. Journal of Volcanology and Geothermal Research 70, 1-19.

Haase, K.M., Devey, C.W., Mertz, D.F., Stoffers, P. and Garbe-Schönberg, C.-D., 1996. Geochemistry of lavas from Mohns Ridge, Norwegian-Greenland Sea: Implications for melting conditions and magma sources near Jan Mayen. Contributions to Mineralogy and Petrology 123, 223-237.

Haase, K.M., and Devey, C.W., 1996. Geochemistry of lavas from the Ahu and Tupa volcanic fields, Easter Hotspot, SE Pacific: Implications for intraplate magma genesis near a spreading axis. Earth and Planetary Science Letters 137, 129-143.

Haase, K.M., Devey, C.W. and Goldstein, S.L., 1996. Two-way exchange between the Easter mantle plume and the Easter Microplate spreading axis. Nature 382, 344-346.

Haase, K.M., 1996. The relationship between the age of the lithosphere and the composition of oceanic magmas: Constraints on partial melting, mantle sources and the thermal structure of the plates. Earth and Planetary Science Letters 144, 75-92.

Fretzdorff, S., Haase, K.M., and Garbe-Schönberg, C.-D., 1996. Petrogenesis of lavas from the Umu Volcanic Field in the young hotspot region of Easter Island, SE Pacific. Lithos 38, 23-40.


Stoffers, P., Hékinian, R., and Haase, K.M., and the SO-80 scientific party, 1994. Geology of young submarine volcanoes west of Easter Island, Southeast Pacific. Marine Geology 118, 177-185.

Haase, K.M. and Devey, C.W., 1994. The petrology and geochemistry of Vesteris Seamount, Greenland Basin: An intraplate alkaline volcano of non-plume origin. Journal of Petrology 35, 295-328. DOI: 10.1093/petrology/35.2.295